Added flags support to grpc_op.

Which includes its propagation to grpc_ioreq and validation mechanisms for checking that only known bits are set ot in).
Also added an internal flag (GRPC_WRITE_INTERNAL_COMPRESS) mask for its use in signaling compressed messages.
diff --git a/Makefile b/Makefile
index d28a21f..960635a 100644
--- a/Makefile
+++ b/Makefile
@@ -719,6 +719,7 @@
 chttp2_fake_security_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test
 chttp2_fake_security_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test
 chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test
+chttp2_fake_security_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test
 chttp2_fake_security_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test
 chttp2_fake_security_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test
 chttp2_fake_security_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_server_finishes_request_test
@@ -748,6 +749,7 @@
 chttp2_fullstack_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test
 chttp2_fullstack_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test
+chttp2_fullstack_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test
 chttp2_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test
 chttp2_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test
 chttp2_fullstack_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_test
@@ -777,6 +779,7 @@
 chttp2_fullstack_uds_posix_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_test
 chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test
 chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test
+chttp2_fullstack_uds_posix_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test
 chttp2_fullstack_uds_posix_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test
 chttp2_fullstack_uds_posix_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_test
 chttp2_fullstack_uds_posix_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_test
@@ -806,6 +809,7 @@
 chttp2_fullstack_with_poll_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_test
 chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test
 chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test
+chttp2_fullstack_with_poll_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test
 chttp2_fullstack_with_poll_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_test
 chttp2_fullstack_with_poll_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_test
 chttp2_fullstack_with_poll_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_test
@@ -835,6 +839,7 @@
 chttp2_simple_ssl_fullstack_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_test
 chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test
 chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test
+chttp2_simple_ssl_fullstack_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test
 chttp2_simple_ssl_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test
 chttp2_simple_ssl_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_payload_test
 chttp2_simple_ssl_fullstack_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_server_finishes_request_test
@@ -864,6 +869,7 @@
 chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_test
 chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test
 chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test
+chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test
 chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test
 chttp2_simple_ssl_fullstack_with_poll_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_payload_test
 chttp2_simple_ssl_fullstack_with_poll_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_server_finishes_request_test
@@ -893,6 +899,7 @@
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test
+chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test
 chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test
@@ -922,6 +929,7 @@
 chttp2_socket_pair_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_test
 chttp2_socket_pair_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_and_call_creds_test
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test
+chttp2_socket_pair_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test
 chttp2_socket_pair_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_test
 chttp2_socket_pair_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_test
 chttp2_socket_pair_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_test
@@ -951,6 +959,7 @@
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test
 chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test
@@ -980,6 +989,7 @@
 chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test
+chttp2_socket_pair_with_grpc_trace_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test
 chttp2_socket_pair_with_grpc_trace_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_test
 chttp2_socket_pair_with_grpc_trace_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_test
@@ -1008,6 +1018,7 @@
 chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test
 chttp2_fullstack_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_unsecure_test
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_fullstack_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test
 chttp2_fullstack_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test
 chttp2_fullstack_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_unsecure_test
 chttp2_fullstack_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_unsecure_test
@@ -1036,6 +1047,7 @@
 chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_unsecure_test
 chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test
 chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_fullstack_uds_posix_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test
 chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test
 chttp2_fullstack_uds_posix_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_unsecure_test
 chttp2_fullstack_uds_posix_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_unsecure_test
@@ -1064,6 +1076,7 @@
 chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test
 chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test
 chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_fullstack_with_poll_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test
 chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test
 chttp2_fullstack_with_poll_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_unsecure_test
 chttp2_fullstack_with_poll_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_unsecure_test
@@ -1092,6 +1105,7 @@
 chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test
 chttp2_socket_pair_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_socket_pair_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test
 chttp2_socket_pair_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test
 chttp2_socket_pair_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_unsecure_test
 chttp2_socket_pair_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_unsecure_test
@@ -1120,6 +1134,7 @@
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test
@@ -1148,6 +1163,7 @@
 chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test
 chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test
@@ -1238,13 +1254,13 @@
 
 privatelibs: privatelibs_c privatelibs_cxx
 
-privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_message_length.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload_and_call_creds.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_server_finishes_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request_with_high_initial_sequence_number.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a
+privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_message_length.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload_and_call_creds.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_server_finishes_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request_with_high_initial_sequence_number.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a
 
 privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_benchmark_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a
 
 buildtests: buildtests_c buildtests_cxx
 
-buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alarm_heap_test $(BINDIR)/$(CONFIG)/alarm_list_test $(BINDIR)/$(CONFIG)/alarm_test $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/dualstack_socket_test $(BINDIR)/$(CONFIG)/fd_posix_test $(BINDIR)/$(CONFIG)/fling_client $(BINDIR)/$(CONFIG)/fling_server $(BINDIR)/$(CONFIG)/fling_stream_test $(BINDIR)/$(CONFIG)/fling_test $(BINDIR)/$(CONFIG)/gpr_cancellable_test $(BINDIR)/$(CONFIG)/gpr_cmdline_test $(BINDIR)/$(CONFIG)/gpr_env_test $(BINDIR)/$(CONFIG)/gpr_file_test $(BINDIR)/$(CONFIG)/gpr_histogram_test $(BINDIR)/$(CONFIG)/gpr_host_port_test $(BINDIR)/$(CONFIG)/gpr_log_test $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test $(BINDIR)/$(CONFIG)/gpr_slice_test $(BINDIR)/$(CONFIG)/gpr_string_test $(BINDIR)/$(CONFIG)/gpr_sync_test $(BINDIR)/$(CONFIG)/gpr_thd_test $(BINDIR)/$(CONFIG)/gpr_time_test $(BINDIR)/$(CONFIG)/gpr_tls_test $(BINDIR)/$(CONFIG)/gpr_useful_test $(BINDIR)/$(CONFIG)/grpc_auth_context_test $(BINDIR)/$(CONFIG)/grpc_base64_test $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test $(BINDIR)/$(CONFIG)/grpc_channel_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/message_compress_test $(BINDIR)/$(CONFIG)/multi_init_test $(BINDIR)/$(CONFIG)/murmur_hash_test $(BINDIR)/$(CONFIG)/no_server_test $(BINDIR)/$(CONFIG)/poll_kick_posix_test $(BINDIR)/$(CONFIG)/resolve_address_test $(BINDIR)/$(CONFIG)/secure_endpoint_test $(BINDIR)/$(CONFIG)/sockaddr_utils_test $(BINDIR)/$(CONFIG)/tcp_client_posix_test $(BINDIR)/$(CONFIG)/tcp_posix_test $(BINDIR)/$(CONFIG)/tcp_server_posix_test $(BINDIR)/$(CONFIG)/time_averaged_stats_test $(BINDIR)/$(CONFIG)/time_test $(BINDIR)/$(CONFIG)/timeout_encoding_test $(BINDIR)/$(CONFIG)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test 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$(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_test 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$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 
 buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/qps_test_openloop $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_pool_test $(BINDIR)/$(CONFIG)/thread_stress_test
 
@@ -1415,6 +1431,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fake_security_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fake_security_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test || ( echo test chttp2_fake_security_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test || ( echo test chttp2_fake_security_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_request_with_payload_test"
@@ -1469,6 +1487,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fullstack_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test || ( echo test chttp2_fullstack_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test || ( echo test chttp2_fullstack_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_payload_test"
@@ -1523,6 +1543,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test || ( echo test chttp2_fullstack_uds_posix_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test || ( echo test chttp2_fullstack_uds_posix_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_payload_test"
@@ -1577,6 +1599,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test || ( echo test chttp2_fullstack_with_poll_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_test || ( echo test chttp2_fullstack_with_poll_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_payload_test"
@@ -1631,6 +1655,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test || ( echo test chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test || ( echo test chttp2_simple_ssl_fullstack_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test || ( echo test chttp2_simple_ssl_fullstack_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_with_payload_test"
@@ -1685,6 +1711,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_with_payload_test"
@@ -1739,6 +1767,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test"
@@ -1793,6 +1823,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_and_call_creds_test || ( echo test chttp2_socket_pair_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test || ( echo test chttp2_socket_pair_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_test || ( echo test chttp2_socket_pair_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_payload_test"
@@ -1847,6 +1879,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test"
@@ -1901,6 +1935,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_payload_test"
@@ -1955,6 +1991,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_unsecure_test || ( echo test chttp2_fullstack_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test || ( echo test chttp2_fullstack_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test || ( echo test chttp2_fullstack_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_payload_unsecure_test"
@@ -2009,6 +2047,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_payload_unsecure_test"
@@ -2063,6 +2103,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_payload_unsecure_test"
@@ -2117,6 +2159,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test || ( echo test chttp2_socket_pair_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test || ( echo test chttp2_socket_pair_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test || ( echo test chttp2_socket_pair_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_payload_unsecure_test"
@@ -2171,6 +2215,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test"
@@ -2225,6 +2271,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test"
@@ -4971,6 +5019,29 @@
 endif
 
 
+LIBEND2END_TEST_REQUEST_WITH_FLAGS_SRC = \
+    test/core/end2end/tests/request_with_flags.c \
+
+
+LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_SRC))))
+
+$(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a: $(ZLIB_DEP) $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a
+	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a
+endif
+
+
+
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS:.o=.dep)
+endif
+
+
 LIBEND2END_TEST_REQUEST_WITH_LARGE_METADATA_SRC = \
     test/core/end2end/tests/request_with_large_metadata.c \
 
@@ -8937,6 +9008,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -9459,6 +9548,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -9981,6 +10088,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -10503,6 +10628,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -11025,6 +11168,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -11547,6 +11708,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -12069,6 +12248,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -12591,6 +12788,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -13113,6 +13328,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -13635,6 +13868,24 @@
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test: openssl_dep_error
 
 else
@@ -13915,6 +14166,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14139,6 +14398,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14363,6 +14630,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14587,6 +14862,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14811,6 +15094,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -15035,6 +15326,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index 62ee2a1..0ae0477 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -155,6 +155,8 @@
 /* Force compression to be disabled for a particular write
    (start_write/add_metadata). Illegal on invoke/accept. */
 #define GRPC_WRITE_NO_COMPRESS (0x00000002u)
+/* Mask of all valid flags. */
+#define GRPC_WRITE_USED_MASK (GRPC_WRITE_BUFFER_HINT | GRPC_WRITE_NO_COMPRESS)
 
 /* A single metadata element */
 typedef struct grpc_metadata {
@@ -173,11 +175,11 @@
 /** The type of completion (for grpc_event) */
 typedef enum grpc_completion_type {
   /** Shutting down */
-  GRPC_QUEUE_SHUTDOWN, 
+  GRPC_QUEUE_SHUTDOWN,
   /** No event before timeout */
-  GRPC_QUEUE_TIMEOUT,  
+  GRPC_QUEUE_TIMEOUT,
   /** Operation completion */
-  GRPC_OP_COMPLETE     
+  GRPC_OP_COMPLETE
 } grpc_completion_type;
 
 /** The result of an operation.
@@ -186,7 +188,7 @@
 typedef struct grpc_event {
   /** The type of the completion. */
   grpc_completion_type type;
-  /** non-zero if the operation was successful, 0 upon failure. 
+  /** non-zero if the operation was successful, 0 upon failure.
       Only GRPC_OP_COMPLETE can succeed or fail. */
   int success;
   /** The tag passed to grpc_call_start_batch etc to start this operation.
@@ -250,6 +252,7 @@
    no arguments) */
 typedef struct grpc_op {
   grpc_op_type op;
+  gpr_uint32 flags;  /**< Write flags bitset for grpc_begin_messages */
   union {
     struct {
       size_t count;
diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index cead5e0..4b0a4c8 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@@ -185,6 +185,7 @@
      and a strong upper bound of a count of masters to be calculated. */
   gpr_uint8 request_set[GRPC_IOREQ_OP_COUNT];
   grpc_ioreq_data request_data[GRPC_IOREQ_OP_COUNT];
+  gpr_uint32 request_flags[GRPC_IOREQ_OP_COUNT];
   reqinfo_master masters[GRPC_IOREQ_OP_COUNT];
 
   /* Dynamic array of ioreq's that have completed: the count of
@@ -228,6 +229,7 @@
 
   gpr_slice_buffer incoming_message;
   gpr_uint32 incoming_message_length;
+  gpr_uint32 incoming_message_flags;
   grpc_iomgr_closure destroy_closure;
 };
 
@@ -670,6 +672,7 @@
   } else if (msg.length > 0) {
     call->reading_message = 1;
     call->incoming_message_length = msg.length;
+    call->incoming_message_flags = msg.flags;
     return 1;
   } else {
     finish_message(call);
@@ -818,6 +821,7 @@
 
 static int fill_send_ops(grpc_call *call, grpc_transport_op *op) {
   grpc_ioreq_data data;
+  gpr_uint32 flags;
   grpc_metadata_batch mdb;
   size_t i;
   GPR_ASSERT(op->send_ops == NULL);
@@ -844,8 +848,9 @@
     case WRITE_STATE_STARTED:
       if (is_op_live(call, GRPC_IOREQ_SEND_MESSAGE)) {
         data = call->request_data[GRPC_IOREQ_SEND_MESSAGE];
+        flags = call->request_flags[GRPC_IOREQ_SEND_MESSAGE];
         grpc_sopb_add_begin_message(
-            &call->send_ops, grpc_byte_buffer_length(data.send_message), 0);
+            &call->send_ops, grpc_byte_buffer_length(data.send_message), flags);
         copy_byte_buffer_to_stream_ops(data.send_message, &call->send_ops);
         op->send_ops = &call->send_ops;
         call->last_send_contains |= 1 << GRPC_IOREQ_SEND_MESSAGE;
@@ -979,6 +984,7 @@
     have_ops |= 1u << op;
 
     call->request_data[op] = data;
+    call->request_flags[op] = reqs[i].flags;
     call->request_set[op] = set;
   }
 
@@ -1189,6 +1195,14 @@
   grpc_cq_end_op(call->cq, tag, call, 1);
 }
 
+static int are_write_flags_valid(gpr_uint32 flags) {
+  /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */
+  const gpr_uint32 allowed_write_positions =
+      (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK);
+  const gpr_uint32 invalid_positions = ~allowed_write_positions;
+  return !(flags & invalid_positions);
+}
+
 grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
                                       size_t nops, void *tag) {
   grpc_ioreq reqs[GRPC_IOREQ_OP_COUNT];
@@ -1211,30 +1225,43 @@
     op = &ops[in];
     switch (op->op) {
       case GRPC_OP_SEND_INITIAL_METADATA:
+        /* Flag validation: currently allow no flags */
+        if (op->flags) return GRPC_CALL_ERROR_INVALID_FLAGS;
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_INITIAL_METADATA;
         req->data.send_metadata.count = op->data.send_initial_metadata.count;
         req->data.send_metadata.metadata =
             op->data.send_initial_metadata.metadata;
+        req->flags = op->flags;
         break;
       case GRPC_OP_SEND_MESSAGE:
+        if (!are_write_flags_valid(op->flags)){
+          return GRPC_CALL_ERROR_INVALID_FLAGS;
+        }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_MESSAGE;
         req->data.send_message = op->data.send_message;
+        req->flags = ops->flags;
         break;
       case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
+        /* Flag validation: currently allow no flags */
+        if (op->flags) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (!call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_SERVER;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_CLOSE;
+        req->flags = op->flags;
         break;
       case GRPC_OP_SEND_STATUS_FROM_SERVER:
+        /* Flag validation: currently allow no flags */
+        if (op->flags) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_CLIENT;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_TRAILING_METADATA;
+        req->flags = op->flags;
         req->data.send_metadata.count =
             op->data.send_status_from_server.trailing_metadata_count;
         req->data.send_metadata.metadata =
@@ -1248,24 +1275,33 @@
         req->op = GRPC_IOREQ_SEND_CLOSE;
         break;
       case GRPC_OP_RECV_INITIAL_METADATA:
+        /* Flag validation: currently allow no flags */
+        if (op->flags) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (!call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_SERVER;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
         req->data.recv_metadata = op->data.recv_initial_metadata;
+        req->flags = op->flags;
         break;
       case GRPC_OP_RECV_MESSAGE:
+        /* Flag validation: currently allow no flags */
+        if (op->flags) return GRPC_CALL_ERROR_INVALID_FLAGS;
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_MESSAGE;
         req->data.recv_message = op->data.recv_message;
+        req->flags = op->flags;
         break;
       case GRPC_OP_RECV_STATUS_ON_CLIENT:
+        /* Flag validation: currently allow no flags */
+        if (op->flags) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (!call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_SERVER;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_STATUS;
+        req->flags = op->flags;
         req->data.recv_status.set_value = set_status_value_directly;
         req->data.recv_status.user_data = op->data.recv_status_on_client.status;
         req = &reqs[out++];
@@ -1283,8 +1319,11 @@
         finish_func = finish_batch_with_close;
         break;
       case GRPC_OP_RECV_CLOSE_ON_SERVER:
+        /* Flag validation: currently allow no flags */
+        if (op->flags) return GRPC_CALL_ERROR_INVALID_FLAGS;
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_STATUS;
+        req->flags = op->flags;
         req->data.recv_status.set_value = set_cancelled_value;
         req->data.recv_status.user_data =
             op->data.recv_close_on_server.cancelled;
diff --git a/src/core/surface/call.h b/src/core/surface/call.h
index 9116538..7a14161 100644
--- a/src/core/surface/call.h
+++ b/src/core/surface/call.h
@@ -79,6 +79,7 @@
 typedef struct {
   grpc_ioreq_op op;
   grpc_ioreq_data data;
+  gpr_uint32 flags;  /**< A copy of the write flags from grpc_op */
 } grpc_ioreq;
 
 typedef void (*grpc_ioreq_completion_func)(grpc_call *call, int success,
diff --git a/src/core/transport/stream_op.h b/src/core/transport/stream_op.h
index 5215cc8..e080701 100644
--- a/src/core/transport/stream_op.h
+++ b/src/core/transport/stream_op.h
@@ -58,11 +58,18 @@
   GRPC_OP_SLICE
 } grpc_stream_op_code;
 
+/** Internal bit flag for grpc_begin_message's \a flags signaling the use of
+ * compression for the message */
+#define GRPC_WRITE_INTERNAL_COMPRESS (0x80000000u)
+/** Mask of all valid internal flags. */
+#define GRPC_WRITE_INTERNAL_USED_MASK (GRPC_WRITE_INTERNAL_COMPRESS)
+
 /* Arguments for GRPC_OP_BEGIN_MESSAGE */
 typedef struct grpc_begin_message {
   /* How many bytes of data will this message contain */
   gpr_uint32 length;
-  /* Write flags for the message: see grpc.h GRPC_WRITE_xxx */
+  /* Write flags for the message: see grpc.h GRPC_WRITE_* for the public bits,
+   * GRPC_WRITE_INTERNAL_* for the internal ones. */
   gpr_uint32 flags;
 } grpc_begin_message;
 
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index 06614a9..d56df62 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -135,17 +135,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -161,14 +165,17 @@
     op = ops;
     op->op = GRPC_OP_SEND_INITIAL_METADATA;
     op->data.send_initial_metadata.count = 0;
+    op->flags = 0;
     op++;
     op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
     op->data.send_status_from_server.trailing_metadata_count = 0;
     op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
     op->data.send_status_from_server.status_details = "xyz";
+    op->flags = 0;
     op++;
     op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
     op->data.recv_close_on_server.cancelled = &was_cancelled;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK ==
                grpc_call_start_batch(s, ops, op - ops, tag(102)));
diff --git a/test/core/end2end/gen_build_json.py b/test/core/end2end/gen_build_json.py
index fb13c78..adfd97d 100755
--- a/test/core/end2end/gen_build_json.py
+++ b/test/core/end2end/gen_build_json.py
@@ -84,6 +84,7 @@
     'request_response_with_payload_and_call_creds': TestOptions(flaky=False, secure=True),
     'request_with_large_metadata': default_test_options,
     'request_with_payload': default_test_options,
+    'request_with_flags': default_test_options,
     'server_finishes_request': default_test_options,
     'simple_delayed_request': default_test_options,
     'simple_request': default_test_options,
diff --git a/test/core/end2end/no_server_test.c b/test/core/end2end/no_server_test.c
index bba9cd1..35b837b 100644
--- a/test/core/end2end/no_server_test.c
+++ b/test/core/end2end/no_server_test.c
@@ -67,12 +67,14 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(call, ops, op - ops, tag(1)));
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 74bbd01..aa1978c 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -141,18 +141,23 @@
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -166,15 +171,19 @@
   op = ops;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(3)));
 
diff --git a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
index 945cba7..a38d74b 100644
--- a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
+++ b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
@@ -141,20 +141,26 @@
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -168,15 +174,19 @@
   op = ops;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(3)));
 
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index c019709..a0830f0 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -136,20 +136,26 @@
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, test_ops, tag(1)));
 
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 3d901f1..142e8d4 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -135,20 +135,26 @@
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, test_ops, tag(1)));
 
diff --git a/test/core/end2end/tests/census_simple_request.c b/test/core/end2end/tests/census_simple_request.c
index e0f9969..347a6ad 100644
--- a/test/core/end2end/tests/census_simple_request.c
+++ b/test/core/end2end/tests/census_simple_request.c
@@ -124,17 +124,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -148,14 +152,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index 60e7d22..62e58d8 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -114,17 +114,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -142,14 +146,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
index a448230..a924ae5 100644
--- a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
+++ b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
@@ -129,17 +129,21 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
   op->data.send_initial_metadata.metadata = NULL;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -153,6 +157,7 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index d7b9fde..1a40966 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -128,17 +128,21 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
   op->data.send_initial_metadata.metadata = NULL;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -156,14 +160,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index ef0af34..1e29b66 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -126,17 +126,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -150,14 +154,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -257,8 +264,10 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c1, ops, op - ops, tag(301)));
@@ -269,9 +278,11 @@
   op->data.recv_status_on_client.status = &status1;
   op->data.recv_status_on_client.status_details = &details1;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity1;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv1;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c1, ops, op - ops, tag(302)));
@@ -279,8 +290,10 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c2, ops, op - ops, tag(401)));
@@ -291,9 +304,11 @@
   op->data.recv_status_on_client.status = &status2;
   op->data.recv_status_on_client.status_details = &details2;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity2;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv1;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c2, ops, op - ops, tag(402)));
@@ -314,14 +329,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(s1, ops, op - ops, tag(102)));
@@ -345,14 +363,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(s2, ops, op - ops, tag(202)));
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 6f1a581..119c925 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -142,20 +142,25 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -169,6 +174,7 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 97ac9bb..e4042b3 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -136,15 +136,18 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -158,9 +161,11 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(101)));
 
@@ -171,15 +176,18 @@
     op = ops;
     op->op = GRPC_OP_SEND_MESSAGE;
     op->data.send_message = request_payload;
+    op->flags = 0;
     op++;
     op->op = GRPC_OP_RECV_MESSAGE;
     op->data.recv_message = &response_payload_recv;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(2)));
 
     op = ops;
     op->op = GRPC_OP_RECV_MESSAGE;
     op->data.recv_message = &request_payload_recv;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK ==
                grpc_call_start_batch(s, ops, op - ops, tag(102)));
@@ -189,6 +197,7 @@
     op = ops;
     op->op = GRPC_OP_SEND_MESSAGE;
     op->data.send_message = response_payload;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK ==
                grpc_call_start_batch(s, ops, op - ops, tag(103)));
@@ -209,6 +218,7 @@
 
   op = ops;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(3)));
 
@@ -217,6 +227,7 @@
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(104)));
 
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index 2cf2cce..44f2533 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -127,17 +127,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -151,14 +155,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
index 9788b70..d7bfe71 100644
--- a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
@@ -156,23 +156,29 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_c;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -187,9 +193,11 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_s;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -199,14 +207,17 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
index fe61aef..b823607 100644
--- a/test/core/end2end/tests/request_response_with_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
@@ -142,23 +142,29 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_c;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -173,9 +179,11 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_s;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -185,14 +193,17 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_payload.c b/test/core/end2end/tests/request_response_with_payload.c
index 1805486..da32215 100644
--- a/test/core/end2end/tests/request_response_with_payload.c
+++ b/test/core/end2end/tests/request_response_with_payload.c
@@ -134,23 +134,29 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -164,9 +170,11 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -176,14 +184,17 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
index 641a409..387c784 100644
--- a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
+++ b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
@@ -209,23 +209,29 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -246,9 +252,11 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -258,14 +266,17 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
index 8ff7f99..bd72761 100644
--- a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
@@ -141,23 +141,29 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_c;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -173,9 +179,11 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_s;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -185,15 +193,18 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 2;
   op->data.send_status_from_server.trailing_metadata = meta_t;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
new file mode 100644
index 0000000..f9d6081
--- /dev/null
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -0,0 +1,206 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/transport/stream_op.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_client(&f, client_args);
+  config.init_server(&f, server_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time());
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown(f->server);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->server_cq);
+  drain_cq(f->server_cq);
+  grpc_completion_queue_destroy(f->server_cq);
+  grpc_completion_queue_shutdown(f->client_cq);
+  drain_cq(f->client_cq);
+  grpc_completion_queue_destroy(f->client_cq);
+}
+
+static void test_invoke_request_with_flags(
+    grpc_end2end_test_config config, gpr_uint32 *flags_for_op,
+    grpc_call_error call_start_batch_expected_result) {
+  grpc_call *c;
+  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+  gpr_timespec deadline = five_seconds_time();
+  grpc_end2end_test_fixture f =
+      begin_test(config, "test_invoke_request_with_flags", NULL, NULL);
+  cq_verifier *v_client = cq_verifier_create(f.client_cq);
+  cq_verifier *v_server = cq_verifier_create(f.server_cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_byte_buffer *request_payload_recv = NULL;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  grpc_call_error expectation;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr", deadline);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = request_payload;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = flags_for_op[op->op];
+  op++;
+  expectation = call_start_batch_expected_result;
+  GPR_ASSERT(expectation == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(v_client);
+  cq_verifier_destroy(v_server);
+
+  grpc_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(request_payload_recv);
+
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  size_t i;
+  gpr_uint32 flags_for_op[GRPC_OP_RECV_CLOSE_ON_SERVER+1];
+
+  {
+    /* check that all grpc_op_types fail when their flag value is set to an
+     * invalid value */
+    int indices[] = {GRPC_OP_SEND_INITIAL_METADATA, GRPC_OP_SEND_MESSAGE,
+                     GRPC_OP_SEND_CLOSE_FROM_CLIENT,
+                     GRPC_OP_RECV_INITIAL_METADATA,
+                     GRPC_OP_RECV_STATUS_ON_CLIENT};
+    for (i = 0; i < GPR_ARRAY_SIZE(indices); ++i) {
+      memset(flags_for_op, 0, sizeof(flags_for_op));
+      flags_for_op[indices[i]] = 0xDEADBEEF;
+      test_invoke_request_with_flags(config, flags_for_op,
+                                     GRPC_CALL_ERROR_INVALID_FLAGS);
+    }
+  }
+  {
+    /* check valid operation with allowed flags for GRPC_OP_SEND_BUFFER */
+    gpr_uint32 flags[] = {GRPC_WRITE_BUFFER_HINT, GRPC_WRITE_NO_COMPRESS,
+                          GRPC_WRITE_INTERNAL_COMPRESS};
+    for (i = 0; i < GPR_ARRAY_SIZE(flags); ++i) {
+      memset(flags_for_op, 0, sizeof(flags_for_op));
+      flags_for_op[GRPC_OP_SEND_MESSAGE] = flags[i];
+      test_invoke_request_with_flags(config, flags_for_op, GRPC_CALL_OK);
+    }
+  }
+}
diff --git a/test/core/end2end/tests/request_with_large_metadata.c b/test/core/end2end/tests/request_with_large_metadata.c
index 31406f5..56acbed 100644
--- a/test/core/end2end/tests/request_with_large_metadata.c
+++ b/test/core/end2end/tests/request_with_large_metadata.c
@@ -141,20 +141,25 @@
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 1;
   op->data.send_initial_metadata.metadata = &meta;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -168,9 +173,11 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -180,11 +187,13 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index ea4bb2c..bf5aa14 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -132,20 +132,25 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -159,9 +164,11 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -171,11 +178,13 @@
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index a0c1865..a10708e 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -128,15 +128,18 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -150,14 +153,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 59cc9b5..0bd4e2a 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -120,17 +120,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -146,14 +150,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index 80c092c..a9acc8c 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -128,17 +128,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -152,14 +156,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
index 67e0730..bc53481 100644
--- a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
+++ b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
@@ -128,17 +128,21 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -152,14 +156,17 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index 34d37f0..b2facd3 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -68,12 +68,14 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(call, ops, op - ops, tag(1)));
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index f5c2e87..d0d56dd 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -923,6 +923,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fake_security_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fake_security_request_with_large_metadata_test", 
     "platforms": [
       "windows", 
@@ -1184,6 +1193,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_request_with_large_metadata_test", 
     "platforms": [
       "windows", 
@@ -1422,6 +1440,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_request_with_flags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_large_metadata_test", 
     "platforms": [
       "posix"
@@ -1654,6 +1680,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_with_poll_request_with_flags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_large_metadata_test", 
     "platforms": [
       "posix"
@@ -1909,6 +1943,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_large_metadata_test", 
     "platforms": [
       "windows", 
@@ -2147,6 +2190,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test", 
     "platforms": [
       "posix"
@@ -2402,6 +2453,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test", 
     "platforms": [
       "windows", 
@@ -2663,6 +2723,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_socket_pair_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_socket_pair_request_with_large_metadata_test", 
     "platforms": [
       "windows", 
@@ -2924,6 +2993,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test", 
     "platforms": [
       "windows", 
@@ -3185,6 +3263,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test", 
     "platforms": [
       "windows", 
@@ -3437,6 +3524,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_request_with_large_metadata_unsecure_test", 
     "platforms": [
       "windows", 
@@ -3667,6 +3763,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_request_with_flags_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test", 
     "platforms": [
       "posix"
@@ -3891,6 +3995,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_with_poll_request_with_flags_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test", 
     "platforms": [
       "posix"
@@ -4137,6 +4249,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_socket_pair_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_socket_pair_request_with_large_metadata_unsecure_test", 
     "platforms": [
       "windows", 
@@ -4389,6 +4510,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test", 
     "platforms": [
       "windows", 
@@ -4641,6 +4771,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test", 
     "platforms": [
       "windows", 
diff --git a/vsprojects/Grpc.mak b/vsprojects/Grpc.mak
index b4524cd..1659f07 100644
--- a/vsprojects/Grpc.mak
+++ b/vsprojects/Grpc.mak
@@ -54,10 +54,10 @@
 $(OUT_DIR):
 	mkdir $(OUT_DIR)
 
-build_libs: build_gpr build_gpr_test_util build_grpc build_grpc_test_util build_grpc_test_util_unsecure build_grpc_unsecure Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_fixture_chttp2_fullstack_with_poll.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack_with_poll.lib Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_test_cancel_after_accept.lib Debug\end2end_test_cancel_after_accept_and_writes_closed.lib Debug\end2end_test_cancel_after_invoke.lib Debug\end2end_test_cancel_before_invoke.lib Debug\end2end_test_cancel_in_a_vacuum.lib Debug\end2end_test_census_simple_request.lib Debug\end2end_test_disappearing_server.lib Debug\end2end_test_early_server_shutdown_finishes_inflight_calls.lib Debug\end2end_test_early_server_shutdown_finishes_tags.lib Debug\end2end_test_empty_batch.lib Debug\end2end_test_graceful_server_shutdown.lib Debug\end2end_test_invoke_large_request.lib Debug\end2end_test_max_concurrent_streams.lib Debug\end2end_test_max_message_length.lib Debug\end2end_test_no_op.lib Debug\end2end_test_ping_pong_streaming.lib Debug\end2end_test_registered_call.lib Debug\end2end_test_request_response_with_binary_metadata_and_payload.lib Debug\end2end_test_request_response_with_metadata_and_payload.lib Debug\end2end_test_request_response_with_payload.lib Debug\end2end_test_request_response_with_payload_and_call_creds.lib Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib Debug\end2end_test_request_with_large_metadata.lib Debug\end2end_test_request_with_payload.lib Debug\end2end_test_server_finishes_request.lib Debug\end2end_test_simple_delayed_request.lib Debug\end2end_test_simple_request.lib Debug\end2end_test_simple_request_with_high_initial_sequence_number.lib Debug\end2end_certs.lib Debug\bad_client_test.lib 
+build_libs: build_gpr build_gpr_test_util build_grpc build_grpc_test_util build_grpc_test_util_unsecure build_grpc_unsecure Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_fixture_chttp2_fullstack_with_poll.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack_with_poll.lib Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_test_cancel_after_accept.lib Debug\end2end_test_cancel_after_accept_and_writes_closed.lib Debug\end2end_test_cancel_after_invoke.lib Debug\end2end_test_cancel_before_invoke.lib Debug\end2end_test_cancel_in_a_vacuum.lib Debug\end2end_test_census_simple_request.lib Debug\end2end_test_disappearing_server.lib Debug\end2end_test_early_server_shutdown_finishes_inflight_calls.lib Debug\end2end_test_early_server_shutdown_finishes_tags.lib Debug\end2end_test_empty_batch.lib Debug\end2end_test_graceful_server_shutdown.lib Debug\end2end_test_invoke_large_request.lib Debug\end2end_test_max_concurrent_streams.lib Debug\end2end_test_max_message_length.lib Debug\end2end_test_no_op.lib Debug\end2end_test_ping_pong_streaming.lib Debug\end2end_test_registered_call.lib Debug\end2end_test_request_response_with_binary_metadata_and_payload.lib Debug\end2end_test_request_response_with_metadata_and_payload.lib Debug\end2end_test_request_response_with_payload.lib Debug\end2end_test_request_response_with_payload_and_call_creds.lib Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_test_request_with_large_metadata.lib Debug\end2end_test_request_with_payload.lib Debug\end2end_test_server_finishes_request.lib Debug\end2end_test_simple_delayed_request.lib Debug\end2end_test_simple_request.lib Debug\end2end_test_simple_request_with_high_initial_sequence_number.lib Debug\end2end_certs.lib Debug\bad_client_test.lib 
 buildtests: buildtests_c buildtests_cxx
 
-buildtests_c: alarm_heap_test.exe alarm_list_test.exe alarm_test.exe alpn_test.exe bin_encoder_test.exe chttp2_status_conversion_test.exe chttp2_stream_encoder_test.exe chttp2_stream_map_test.exe fling_client.exe fling_server.exe gpr_cancellable_test.exe gpr_cmdline_test.exe gpr_env_test.exe gpr_file_test.exe gpr_histogram_test.exe gpr_host_port_test.exe gpr_log_test.exe gpr_slice_buffer_test.exe gpr_slice_test.exe gpr_string_test.exe gpr_sync_test.exe gpr_thd_test.exe gpr_time_test.exe gpr_tls_test.exe gpr_useful_test.exe grpc_auth_context_test.exe grpc_base64_test.exe grpc_byte_buffer_reader_test.exe grpc_channel_stack_test.exe grpc_completion_queue_test.exe grpc_credentials_test.exe grpc_json_token_test.exe grpc_stream_op_test.exe hpack_parser_test.exe hpack_table_test.exe httpcli_format_request_test.exe httpcli_parser_test.exe httpcli_test.exe json_rewrite.exe json_rewrite_test.exe json_test.exe lame_client_test.exe message_compress_test.exe multi_init_test.exe murmur_hash_test.exe no_server_test.exe resolve_address_test.exe secure_endpoint_test.exe sockaddr_utils_test.exe time_averaged_stats_test.exe time_test.exe timeout_encoding_test.exe timers_test.exe transport_metadata_test.exe transport_security_test.exe chttp2_fake_security_bad_hostname_test.exe chttp2_fake_security_cancel_after_accept_test.exe chttp2_fake_security_cancel_after_accept_and_writes_closed_test.exe chttp2_fake_security_cancel_after_invoke_test.exe chttp2_fake_security_cancel_before_invoke_test.exe chttp2_fake_security_cancel_in_a_vacuum_test.exe chttp2_fake_security_census_simple_request_test.exe chttp2_fake_security_disappearing_server_test.exe chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fake_security_early_server_shutdown_finishes_tags_test.exe chttp2_fake_security_empty_batch_test.exe chttp2_fake_security_graceful_server_shutdown_test.exe chttp2_fake_security_invoke_large_request_test.exe chttp2_fake_security_max_concurrent_streams_test.exe chttp2_fake_security_max_message_length_test.exe chttp2_fake_security_no_op_test.exe chttp2_fake_security_ping_pong_streaming_test.exe chttp2_fake_security_registered_call_test.exe chttp2_fake_security_request_response_with_binary_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_payload_test.exe chttp2_fake_security_request_response_with_payload_and_call_creds_test.exe chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fake_security_request_with_large_metadata_test.exe chttp2_fake_security_request_with_payload_test.exe chttp2_fake_security_server_finishes_request_test.exe chttp2_fake_security_simple_delayed_request_test.exe chttp2_fake_security_simple_request_test.exe chttp2_fake_security_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_test.exe chttp2_fullstack_cancel_after_accept_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_cancel_after_invoke_test.exe chttp2_fullstack_cancel_before_invoke_test.exe chttp2_fullstack_cancel_in_a_vacuum_test.exe chttp2_fullstack_census_simple_request_test.exe chttp2_fullstack_disappearing_server_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_empty_batch_test.exe chttp2_fullstack_graceful_server_shutdown_test.exe chttp2_fullstack_invoke_large_request_test.exe chttp2_fullstack_max_concurrent_streams_test.exe chttp2_fullstack_max_message_length_test.exe chttp2_fullstack_no_op_test.exe chttp2_fullstack_ping_pong_streaming_test.exe chttp2_fullstack_registered_call_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_payload_test.exe chttp2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_request_with_large_metadata_test.exe chttp2_fullstack_request_with_payload_test.exe chttp2_fullstack_server_finishes_request_test.exe chttp2_fullstack_simple_delayed_request_test.exe chttp2_fullstack_simple_request_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_fullstack_bad_hostname_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_fullstack_census_simple_request_test.exe chttp2_simple_ssl_fullstack_disappearing_server_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_fullstack_empty_batch_test.exe chttp2_simple_ssl_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_fullstack_max_message_length_test.exe chttp2_simple_ssl_fullstack_no_op_test.exe chttp2_simple_ssl_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_fullstack_registered_call_test.exe chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_fullstack_request_with_payload_test.exe chttp2_simple_ssl_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_fullstack_simple_request_test.exe chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test.exe chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test.exe chttp2_simple_ssl_with_oauth2_fullstack_no_op_test.exe chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_bad_hostname_test.exe chttp2_socket_pair_cancel_after_accept_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_cancel_after_invoke_test.exe chttp2_socket_pair_cancel_before_invoke_test.exe chttp2_socket_pair_cancel_in_a_vacuum_test.exe chttp2_socket_pair_census_simple_request_test.exe chttp2_socket_pair_disappearing_server_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_empty_batch_test.exe chttp2_socket_pair_graceful_server_shutdown_test.exe chttp2_socket_pair_invoke_large_request_test.exe chttp2_socket_pair_max_concurrent_streams_test.exe chttp2_socket_pair_max_message_length_test.exe chttp2_socket_pair_no_op_test.exe chttp2_socket_pair_ping_pong_streaming_test.exe chttp2_socket_pair_registered_call_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_payload_test.exe chttp2_socket_pair_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_request_with_large_metadata_test.exe chttp2_socket_pair_request_with_payload_test.exe chttp2_socket_pair_server_finishes_request_test.exe chttp2_socket_pair_simple_delayed_request_test.exe chttp2_socket_pair_simple_request_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_test.exe chttp2_socket_pair_with_grpc_trace_no_op_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_unsecure_test.exe chttp2_fullstack_cancel_after_accept_unsecure_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_census_simple_request_unsecure_test.exe chttp2_fullstack_disappearing_server_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_empty_batch_unsecure_test.exe chttp2_fullstack_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_invoke_large_request_unsecure_test.exe chttp2_fullstack_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_max_message_length_unsecure_test.exe chttp2_fullstack_no_op_unsecure_test.exe chttp2_fullstack_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_registered_call_unsecure_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_payload_unsecure_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_request_with_payload_unsecure_test.exe chttp2_fullstack_server_finishes_request_unsecure_test.exe chttp2_fullstack_simple_delayed_request_unsecure_test.exe chttp2_fullstack_simple_request_unsecure_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_bad_hostname_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_census_simple_request_unsecure_test.exe chttp2_socket_pair_disappearing_server_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_empty_batch_unsecure_test.exe chttp2_socket_pair_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_invoke_large_request_unsecure_test.exe chttp2_socket_pair_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_max_message_length_unsecure_test.exe chttp2_socket_pair_no_op_unsecure_test.exe chttp2_socket_pair_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_registered_call_unsecure_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_request_with_payload_unsecure_test.exe chttp2_socket_pair_server_finishes_request_unsecure_test.exe chttp2_socket_pair_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_simple_request_unsecure_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test.exe connection_prefix_bad_client_test.exe initial_settings_frame_bad_client_test.exe 
+buildtests_c: alarm_heap_test.exe alarm_list_test.exe alarm_test.exe alpn_test.exe bin_encoder_test.exe chttp2_status_conversion_test.exe chttp2_stream_encoder_test.exe chttp2_stream_map_test.exe fling_client.exe fling_server.exe gpr_cancellable_test.exe gpr_cmdline_test.exe gpr_env_test.exe gpr_file_test.exe gpr_histogram_test.exe gpr_host_port_test.exe gpr_log_test.exe gpr_slice_buffer_test.exe gpr_slice_test.exe gpr_string_test.exe gpr_sync_test.exe gpr_thd_test.exe gpr_time_test.exe gpr_tls_test.exe gpr_useful_test.exe grpc_auth_context_test.exe grpc_base64_test.exe grpc_byte_buffer_reader_test.exe grpc_channel_stack_test.exe grpc_completion_queue_test.exe grpc_credentials_test.exe grpc_json_token_test.exe grpc_stream_op_test.exe hpack_parser_test.exe hpack_table_test.exe httpcli_format_request_test.exe httpcli_parser_test.exe httpcli_test.exe json_rewrite.exe json_rewrite_test.exe json_test.exe lame_client_test.exe message_compress_test.exe multi_init_test.exe murmur_hash_test.exe no_server_test.exe resolve_address_test.exe secure_endpoint_test.exe sockaddr_utils_test.exe time_averaged_stats_test.exe time_test.exe timeout_encoding_test.exe timers_test.exe transport_metadata_test.exe transport_security_test.exe chttp2_fake_security_bad_hostname_test.exe chttp2_fake_security_cancel_after_accept_test.exe chttp2_fake_security_cancel_after_accept_and_writes_closed_test.exe chttp2_fake_security_cancel_after_invoke_test.exe chttp2_fake_security_cancel_before_invoke_test.exe chttp2_fake_security_cancel_in_a_vacuum_test.exe chttp2_fake_security_census_simple_request_test.exe chttp2_fake_security_disappearing_server_test.exe chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fake_security_early_server_shutdown_finishes_tags_test.exe chttp2_fake_security_empty_batch_test.exe chttp2_fake_security_graceful_server_shutdown_test.exe chttp2_fake_security_invoke_large_request_test.exe chttp2_fake_security_max_concurrent_streams_test.exe chttp2_fake_security_max_message_length_test.exe chttp2_fake_security_no_op_test.exe chttp2_fake_security_ping_pong_streaming_test.exe chttp2_fake_security_registered_call_test.exe chttp2_fake_security_request_response_with_binary_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_payload_test.exe chttp2_fake_security_request_response_with_payload_and_call_creds_test.exe chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fake_security_request_with_flags_test.exe chttp2_fake_security_request_with_large_metadata_test.exe chttp2_fake_security_request_with_payload_test.exe chttp2_fake_security_server_finishes_request_test.exe chttp2_fake_security_simple_delayed_request_test.exe chttp2_fake_security_simple_request_test.exe chttp2_fake_security_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_test.exe chttp2_fullstack_cancel_after_accept_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_cancel_after_invoke_test.exe chttp2_fullstack_cancel_before_invoke_test.exe chttp2_fullstack_cancel_in_a_vacuum_test.exe chttp2_fullstack_census_simple_request_test.exe chttp2_fullstack_disappearing_server_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_empty_batch_test.exe chttp2_fullstack_graceful_server_shutdown_test.exe chttp2_fullstack_invoke_large_request_test.exe chttp2_fullstack_max_concurrent_streams_test.exe chttp2_fullstack_max_message_length_test.exe chttp2_fullstack_no_op_test.exe chttp2_fullstack_ping_pong_streaming_test.exe chttp2_fullstack_registered_call_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_payload_test.exe chttp2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_request_with_flags_test.exe chttp2_fullstack_request_with_large_metadata_test.exe chttp2_fullstack_request_with_payload_test.exe chttp2_fullstack_server_finishes_request_test.exe chttp2_fullstack_simple_delayed_request_test.exe chttp2_fullstack_simple_request_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_fullstack_bad_hostname_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_fullstack_census_simple_request_test.exe chttp2_simple_ssl_fullstack_disappearing_server_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_fullstack_empty_batch_test.exe chttp2_simple_ssl_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_fullstack_max_message_length_test.exe chttp2_simple_ssl_fullstack_no_op_test.exe chttp2_simple_ssl_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_fullstack_registered_call_test.exe chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_with_flags_test.exe chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_fullstack_request_with_payload_test.exe chttp2_simple_ssl_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_fullstack_simple_request_test.exe chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test.exe chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test.exe chttp2_simple_ssl_with_oauth2_fullstack_no_op_test.exe chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_bad_hostname_test.exe chttp2_socket_pair_cancel_after_accept_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_cancel_after_invoke_test.exe chttp2_socket_pair_cancel_before_invoke_test.exe chttp2_socket_pair_cancel_in_a_vacuum_test.exe chttp2_socket_pair_census_simple_request_test.exe chttp2_socket_pair_disappearing_server_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_empty_batch_test.exe chttp2_socket_pair_graceful_server_shutdown_test.exe chttp2_socket_pair_invoke_large_request_test.exe chttp2_socket_pair_max_concurrent_streams_test.exe chttp2_socket_pair_max_message_length_test.exe chttp2_socket_pair_no_op_test.exe chttp2_socket_pair_ping_pong_streaming_test.exe chttp2_socket_pair_registered_call_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_payload_test.exe chttp2_socket_pair_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_request_with_flags_test.exe chttp2_socket_pair_request_with_large_metadata_test.exe chttp2_socket_pair_request_with_payload_test.exe chttp2_socket_pair_server_finishes_request_test.exe chttp2_socket_pair_simple_delayed_request_test.exe chttp2_socket_pair_simple_request_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_test.exe chttp2_socket_pair_with_grpc_trace_no_op_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_unsecure_test.exe chttp2_fullstack_cancel_after_accept_unsecure_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_census_simple_request_unsecure_test.exe chttp2_fullstack_disappearing_server_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_empty_batch_unsecure_test.exe chttp2_fullstack_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_invoke_large_request_unsecure_test.exe chttp2_fullstack_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_max_message_length_unsecure_test.exe chttp2_fullstack_no_op_unsecure_test.exe chttp2_fullstack_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_registered_call_unsecure_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_payload_unsecure_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_with_flags_unsecure_test.exe chttp2_fullstack_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_request_with_payload_unsecure_test.exe chttp2_fullstack_server_finishes_request_unsecure_test.exe chttp2_fullstack_simple_delayed_request_unsecure_test.exe chttp2_fullstack_simple_request_unsecure_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_bad_hostname_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_census_simple_request_unsecure_test.exe chttp2_socket_pair_disappearing_server_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_empty_batch_unsecure_test.exe chttp2_socket_pair_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_invoke_large_request_unsecure_test.exe chttp2_socket_pair_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_max_message_length_unsecure_test.exe chttp2_socket_pair_no_op_unsecure_test.exe chttp2_socket_pair_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_registered_call_unsecure_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_with_flags_unsecure_test.exe chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_request_with_payload_unsecure_test.exe chttp2_socket_pair_server_finishes_request_unsecure_test.exe chttp2_socket_pair_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_simple_request_unsecure_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test.exe connection_prefix_bad_client_test.exe initial_settings_frame_bad_client_test.exe 
 	echo All tests built.
 
 buildtests_cxx: interop_client.exe interop_server.exe 
@@ -658,6 +658,13 @@
 chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test: chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_fake_security_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_fake_security_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_fake_security_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_fake_security_request_with_flags_test: chttp2_fake_security_request_with_flags_test.exe
+	echo Running chttp2_fake_security_request_with_flags_test
+	$(OUT_DIR)\chttp2_fake_security_request_with_flags_test.exe
 chttp2_fake_security_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_fake_security_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -861,6 +868,13 @@
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test: chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_fullstack_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_fullstack_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_fullstack_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_fullstack_request_with_flags_test: chttp2_fullstack_request_with_flags_test.exe
+	echo Running chttp2_fullstack_request_with_flags_test
+	$(OUT_DIR)\chttp2_fullstack_request_with_flags_test.exe
 chttp2_fullstack_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_fullstack_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1064,6 +1078,13 @@
 chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test: chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_simple_ssl_fullstack_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_simple_ssl_fullstack_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_simple_ssl_fullstack_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_simple_ssl_fullstack_request_with_flags_test: chttp2_simple_ssl_fullstack_request_with_flags_test.exe
+	echo Running chttp2_simple_ssl_fullstack_request_with_flags_test
+	$(OUT_DIR)\chttp2_simple_ssl_fullstack_request_with_flags_test.exe
 chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_simple_ssl_fullstack_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1267,6 +1288,13 @@
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test: chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test: chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe
+	echo Running chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
+	$(OUT_DIR)\chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe
 chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1470,6 +1498,13 @@
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test: chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_socket_pair_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_request_with_flags_test: chttp2_socket_pair_request_with_flags_test.exe
+	echo Running chttp2_socket_pair_request_with_flags_test
+	$(OUT_DIR)\chttp2_socket_pair_request_with_flags_test.exe
 chttp2_socket_pair_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1673,6 +1708,13 @@
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test: chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test: chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe
+	echo Running chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
+	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1876,6 +1918,13 @@
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test: chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_with_grpc_trace_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_with_grpc_trace_request_with_flags_test: chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe
+	echo Running chttp2_socket_pair_with_grpc_trace_request_with_flags_test
+	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2072,6 +2121,13 @@
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_fullstack_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_fullstack_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_fullstack_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_fullstack_request_with_flags_unsecure_test: chttp2_fullstack_request_with_flags_unsecure_test.exe
+	echo Running chttp2_fullstack_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_fullstack_request_with_flags_unsecure_test.exe
 chttp2_fullstack_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_fullstack_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2268,6 +2324,13 @@
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_socket_pair_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_request_with_flags_unsecure_test: chttp2_socket_pair_request_with_flags_unsecure_test.exe
+	echo Running chttp2_socket_pair_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_socket_pair_request_with_flags_unsecure_test.exe
 chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2464,6 +2527,13 @@
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test: chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe
+	echo Running chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2660,6 +2730,13 @@
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test: chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe
+	echo Running chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2856,6 +2933,10 @@
 	echo Building end2end_test_request_response_with_trailing_metadata_and_payload
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\tests\request_response_with_trailing_metadata_and_payload.c 
 	$(LIBTOOL) /OUT:"Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib" $(OUT_DIR)\request_response_with_trailing_metadata_and_payload.obj 
+Debug\end2end_test_request_with_flags.lib: $(OUT_DIR)
+	echo Building end2end_test_request_with_flags
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\tests\request_with_flags.c 
+	$(LIBTOOL) /OUT:"Debug\end2end_test_request_with_flags.lib" $(OUT_DIR)\request_with_flags.obj 
 Debug\end2end_test_request_with_large_metadata.lib: $(OUT_DIR)
 	echo Building end2end_test_request_with_large_metadata
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\tests\request_with_large_metadata.c