Merge branch 'timer_pool' into uberpoll
diff --git a/BUILD b/BUILD
index 055e829..1c88734 100644
--- a/BUILD
+++ b/BUILD
@@ -466,6 +466,8 @@
"src/core/lib/iomgr/endpoint_pair_windows.c",
"src/core/lib/iomgr/error.c",
"src/core/lib/iomgr/ev_epoll_linux.c",
+ "src/core/lib/iomgr/ev_epollex_linux.c",
+ "src/core/lib/iomgr/is_epollexclusive_available.c",
"src/core/lib/iomgr/ev_poll_posix.c",
"src/core/lib/iomgr/ev_posix.c",
"src/core/lib/iomgr/exec_ctx.c",
@@ -589,6 +591,9 @@
"src/core/lib/iomgr/error.h",
"src/core/lib/iomgr/error_internal.h",
"src/core/lib/iomgr/ev_epoll_linux.h",
+ "src/core/lib/iomgr/ev_epollex_linux.h",
+ "src/core/lib/iomgr/is_epollexclusive_available.h",
+ "src/core/lib/iomgr/sys_epoll_wrapper.h",
"src/core/lib/iomgr/ev_poll_posix.h",
"src/core/lib/iomgr/ev_posix.h",
"src/core/lib/iomgr/exec_ctx.h",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9872665..4ce6f61 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -347,6 +347,7 @@
add_custom_target(tools_c
DEPENDS
+ check_epollexclusive
gen_hpack_tables
gen_legal_metadata_characters
gen_percent_encoding_tables
@@ -392,7 +393,7 @@
add_dependencies(buildtests_c endpoint_pair_test)
add_dependencies(buildtests_c error_test)
if(_gRPC_PLATFORM_LINUX)
-add_dependencies(buildtests_c ev_epoll_linux_test)
+add_dependencies(buildtests_c ev_epollsig_linux_test)
endif()
add_dependencies(buildtests_c fake_resolver_test)
if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
@@ -938,7 +939,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -948,6 +951,7 @@
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -1267,7 +1271,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -1277,6 +1283,7 @@
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -1579,7 +1586,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -1589,6 +1598,7 @@
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -1836,7 +1846,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -1846,6 +1858,7 @@
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -2258,7 +2271,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -2268,6 +2283,7 @@
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -2584,7 +2600,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -2594,6 +2612,7 @@
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -3354,7 +3373,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -3364,6 +3385,7 @@
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -5077,6 +5099,42 @@
)
endif (gRPC_BUILD_TESTS)
+
+add_executable(check_epollexclusive
+ test/build/check_epollexclusive.c
+)
+
+
+target_include_directories(check_epollexclusive
+ PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
+ PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
+ PRIVATE ${BORINGSSL_ROOT_DIR}/include
+ PRIVATE ${PROTOBUF_ROOT_DIR}/src
+ PRIVATE ${BENCHMARK_ROOT_DIR}/include
+ PRIVATE ${ZLIB_ROOT_DIR}
+ PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib
+ PRIVATE ${CARES_BUILD_INCLUDE_DIR}
+ PRIVATE ${CARES_INCLUDE_DIR}
+ PRIVATE ${CARES_PLATFORM_INCLUDE_DIR}
+ PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/cares/cares
+ PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/gflags/include
+)
+
+target_link_libraries(check_epollexclusive
+ ${_gRPC_ALLTARGETS_LIBRARIES}
+ grpc
+ gpr
+)
+
+
+if (gRPC_INSTALL)
+ install(TARGETS check_epollexclusive EXPORT gRPCTargets
+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+ LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ )
+endif()
+
if (gRPC_BUILD_TESTS)
add_executable(chttp2_hpack_encoder_test
@@ -5454,12 +5512,12 @@
if (gRPC_BUILD_TESTS)
if(_gRPC_PLATFORM_LINUX)
-add_executable(ev_epoll_linux_test
- test/core/iomgr/ev_epoll_linux_test.c
+add_executable(ev_epollsig_linux_test
+ test/core/iomgr/ev_epollsig_linux_test.c
)
-target_include_directories(ev_epoll_linux_test
+target_include_directories(ev_epollsig_linux_test
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
PRIVATE ${BORINGSSL_ROOT_DIR}/include
@@ -5474,7 +5532,7 @@
PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/gflags/include
)
-target_link_libraries(ev_epoll_linux_test
+target_link_libraries(ev_epollsig_linux_test
${_gRPC_ALLTARGETS_LIBRARIES}
grpc_test_util
grpc
diff --git a/Makefile b/Makefile
index 633309d..b002c22 100644
--- a/Makefile
+++ b/Makefile
@@ -978,6 +978,7 @@
census_resource_test: $(BINDIR)/$(CONFIG)/census_resource_test
census_trace_context_test: $(BINDIR)/$(CONFIG)/census_trace_context_test
channel_create_test: $(BINDIR)/$(CONFIG)/channel_create_test
+check_epollexclusive: $(BINDIR)/$(CONFIG)/check_epollexclusive
chttp2_hpack_encoder_test: $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test
chttp2_stream_map_test: $(BINDIR)/$(CONFIG)/chttp2_stream_map_test
chttp2_varint_test: $(BINDIR)/$(CONFIG)/chttp2_varint_test
@@ -991,7 +992,7 @@
dualstack_socket_test: $(BINDIR)/$(CONFIG)/dualstack_socket_test
endpoint_pair_test: $(BINDIR)/$(CONFIG)/endpoint_pair_test
error_test: $(BINDIR)/$(CONFIG)/error_test
-ev_epoll_linux_test: $(BINDIR)/$(CONFIG)/ev_epoll_linux_test
+ev_epollsig_linux_test: $(BINDIR)/$(CONFIG)/ev_epollsig_linux_test
fake_resolver_test: $(BINDIR)/$(CONFIG)/fake_resolver_test
fd_conservation_posix_test: $(BINDIR)/$(CONFIG)/fd_conservation_posix_test
fd_posix_test: $(BINDIR)/$(CONFIG)/fd_posix_test
@@ -1380,7 +1381,7 @@
$(BINDIR)/$(CONFIG)/dualstack_socket_test \
$(BINDIR)/$(CONFIG)/endpoint_pair_test \
$(BINDIR)/$(CONFIG)/error_test \
- $(BINDIR)/$(CONFIG)/ev_epoll_linux_test \
+ $(BINDIR)/$(CONFIG)/ev_epollsig_linux_test \
$(BINDIR)/$(CONFIG)/fake_resolver_test \
$(BINDIR)/$(CONFIG)/fd_conservation_posix_test \
$(BINDIR)/$(CONFIG)/fd_posix_test \
@@ -1796,8 +1797,8 @@
$(Q) $(BINDIR)/$(CONFIG)/endpoint_pair_test || ( echo test endpoint_pair_test failed ; exit 1 )
$(E) "[RUN] Testing error_test"
$(Q) $(BINDIR)/$(CONFIG)/error_test || ( echo test error_test failed ; exit 1 )
- $(E) "[RUN] Testing ev_epoll_linux_test"
- $(Q) $(BINDIR)/$(CONFIG)/ev_epoll_linux_test || ( echo test ev_epoll_linux_test failed ; exit 1 )
+ $(E) "[RUN] Testing ev_epollsig_linux_test"
+ $(Q) $(BINDIR)/$(CONFIG)/ev_epollsig_linux_test || ( echo test ev_epollsig_linux_test failed ; exit 1 )
$(E) "[RUN] Testing fake_resolver_test"
$(Q) $(BINDIR)/$(CONFIG)/fake_resolver_test || ( echo test fake_resolver_test failed ; exit 1 )
$(E) "[RUN] Testing fd_conservation_posix_test"
@@ -2145,7 +2146,7 @@
tools: tools_c tools_cxx
-tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/gen_legal_metadata_characters $(BINDIR)/$(CONFIG)/gen_percent_encoding_tables $(BINDIR)/$(CONFIG)/grpc_create_jwt $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token $(BINDIR)/$(CONFIG)/grpc_verify_jwt
+tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/check_epollexclusive $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/gen_legal_metadata_characters $(BINDIR)/$(CONFIG)/gen_percent_encoding_tables $(BINDIR)/$(CONFIG)/grpc_create_jwt $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token $(BINDIR)/$(CONFIG)/grpc_verify_jwt
tools_cxx: privatelibs_cxx
@@ -2921,7 +2922,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -2931,6 +2934,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -3248,7 +3252,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -3258,6 +3264,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -3559,7 +3566,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -3569,6 +3578,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -3788,7 +3798,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -3798,6 +3810,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -4187,7 +4200,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -4197,6 +4212,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -4521,7 +4537,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -4531,6 +4549,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -5281,7 +5300,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -5291,6 +5312,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -9007,6 +9029,38 @@
endif
+CHECK_EPOLLEXCLUSIVE_SRC = \
+ test/build/check_epollexclusive.c \
+
+CHECK_EPOLLEXCLUSIVE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHECK_EPOLLEXCLUSIVE_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/check_epollexclusive: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/check_epollexclusive: $(CHECK_EPOLLEXCLUSIVE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+ $(E) "[LD] Linking $@"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(LD) $(LDFLAGS) $(CHECK_EPOLLEXCLUSIVE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/check_epollexclusive
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/build/check_epollexclusive.o: $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_check_epollexclusive: $(CHECK_EPOLLEXCLUSIVE_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHECK_EPOLLEXCLUSIVE_OBJS:.o=.dep)
+endif
+endif
+
+
CHTTP2_HPACK_ENCODER_TEST_SRC = \
test/core/transport/chttp2/hpack_encoder_test.c \
@@ -9423,34 +9477,34 @@
endif
-EV_EPOLL_LINUX_TEST_SRC = \
- test/core/iomgr/ev_epoll_linux_test.c \
+EV_EPOLLSIG_LINUX_TEST_SRC = \
+ test/core/iomgr/ev_epollsig_linux_test.c \
-EV_EPOLL_LINUX_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(EV_EPOLL_LINUX_TEST_SRC))))
+EV_EPOLLSIG_LINUX_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(EV_EPOLLSIG_LINUX_TEST_SRC))))
ifeq ($(NO_SECURE),true)
# You can't build secure targets if you don't have OpenSSL.
-$(BINDIR)/$(CONFIG)/ev_epoll_linux_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/ev_epollsig_linux_test: openssl_dep_error
else
-$(BINDIR)/$(CONFIG)/ev_epoll_linux_test: $(EV_EPOLL_LINUX_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/ev_epollsig_linux_test: $(EV_EPOLLSIG_LINUX_TEST_OBJS) $(LIBDIR)/$(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) $(EV_EPOLL_LINUX_TEST_OBJS) $(LIBDIR)/$(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)/ev_epoll_linux_test
+ $(Q) $(LD) $(LDFLAGS) $(EV_EPOLLSIG_LINUX_TEST_OBJS) $(LIBDIR)/$(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)/ev_epollsig_linux_test
endif
-$(OBJDIR)/$(CONFIG)/test/core/iomgr/ev_epoll_linux_test.o: $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/iomgr/ev_epollsig_linux_test.o: $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-deps_ev_epoll_linux_test: $(EV_EPOLL_LINUX_TEST_OBJS:.o=.dep)
+deps_ev_epollsig_linux_test: $(EV_EPOLLSIG_LINUX_TEST_OBJS:.o=.dep)
ifneq ($(NO_SECURE),true)
ifneq ($(NO_DEPS),true)
--include $(EV_EPOLL_LINUX_TEST_OBJS:.o=.dep)
+-include $(EV_EPOLLSIG_LINUX_TEST_OBJS:.o=.dep)
endif
endif
diff --git a/binding.gyp b/binding.gyp
index 2fab58e..1abbdd1 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -674,7 +674,9 @@
'src/core/lib/iomgr/endpoint_pair_uv.c',
'src/core/lib/iomgr/endpoint_pair_windows.c',
'src/core/lib/iomgr/error.c',
- 'src/core/lib/iomgr/ev_epoll_linux.c',
+ 'src/core/lib/iomgr/ev_epoll1_linux.c',
+ 'src/core/lib/iomgr/ev_epollex_linux.c',
+ 'src/core/lib/iomgr/ev_epollsig_linux.c',
'src/core/lib/iomgr/ev_poll_posix.c',
'src/core/lib/iomgr/ev_posix.c',
'src/core/lib/iomgr/exec_ctx.c',
@@ -684,6 +686,7 @@
'src/core/lib/iomgr/iomgr_posix.c',
'src/core/lib/iomgr/iomgr_uv.c',
'src/core/lib/iomgr/iomgr_windows.c',
+ 'src/core/lib/iomgr/is_epollexclusive_available.c',
'src/core/lib/iomgr/load_file.c',
'src/core/lib/iomgr/lockfree_event.c',
'src/core/lib/iomgr/network_status_tracker.c',
diff --git a/build.yaml b/build.yaml
index ab176b6..83ee119 100644
--- a/build.yaml
+++ b/build.yaml
@@ -197,7 +197,9 @@
- src/core/lib/iomgr/endpoint_pair.h
- src/core/lib/iomgr/error.h
- src/core/lib/iomgr/error_internal.h
- - src/core/lib/iomgr/ev_epoll_linux.h
+ - src/core/lib/iomgr/ev_epoll1_linux.h
+ - src/core/lib/iomgr/ev_epollex_linux.h
+ - src/core/lib/iomgr/ev_epollsig_linux.h
- src/core/lib/iomgr/ev_poll_posix.h
- src/core/lib/iomgr/ev_posix.h
- src/core/lib/iomgr/exec_ctx.h
@@ -206,6 +208,7 @@
- src/core/lib/iomgr/iomgr.h
- src/core/lib/iomgr/iomgr_internal.h
- src/core/lib/iomgr/iomgr_posix.h
+ - src/core/lib/iomgr/is_epollexclusive_available.h
- src/core/lib/iomgr/load_file.h
- src/core/lib/iomgr/lockfree_event.h
- src/core/lib/iomgr/network_status_tracker.h
@@ -227,6 +230,7 @@
- src/core/lib/iomgr/socket_utils.h
- src/core/lib/iomgr/socket_utils_posix.h
- src/core/lib/iomgr/socket_windows.h
+ - src/core/lib/iomgr/sys_epoll_wrapper.h
- src/core/lib/iomgr/tcp_client.h
- src/core/lib/iomgr/tcp_client_posix.h
- src/core/lib/iomgr/tcp_posix.h
@@ -305,7 +309,9 @@
- src/core/lib/iomgr/endpoint_pair_uv.c
- src/core/lib/iomgr/endpoint_pair_windows.c
- src/core/lib/iomgr/error.c
- - src/core/lib/iomgr/ev_epoll_linux.c
+ - src/core/lib/iomgr/ev_epoll1_linux.c
+ - src/core/lib/iomgr/ev_epollex_linux.c
+ - src/core/lib/iomgr/ev_epollsig_linux.c
- src/core/lib/iomgr/ev_poll_posix.c
- src/core/lib/iomgr/ev_posix.c
- src/core/lib/iomgr/exec_ctx.c
@@ -315,6 +321,7 @@
- src/core/lib/iomgr/iomgr_posix.c
- src/core/lib/iomgr/iomgr_uv.c
- src/core/lib/iomgr/iomgr_windows.c
+ - src/core/lib/iomgr/is_epollexclusive_available.c
- src/core/lib/iomgr/load_file.c
- src/core/lib/iomgr/lockfree_event.c
- src/core/lib/iomgr/network_status_tracker.c
@@ -1664,6 +1671,14 @@
- grpc
- gpr_test_util
- gpr
+- name: check_epollexclusive
+ build: tool
+ language: c
+ src:
+ - test/build/check_epollexclusive.c
+ deps:
+ - grpc
+ - gpr
- name: chttp2_hpack_encoder_test
build: test
language: c
@@ -1816,12 +1831,12 @@
- grpc
- gpr_test_util
- gpr
-- name: ev_epoll_linux_test
+- name: ev_epollsig_linux_test
cpu_cost: 3
build: test
language: c
src:
- - test/core/iomgr/ev_epoll_linux_test.c
+ - test/core/iomgr/ev_epollsig_linux_test.c
deps:
- grpc_test_util
- grpc
diff --git a/config.m4 b/config.m4
index 18b7395..dc5b8cf 100644
--- a/config.m4
+++ b/config.m4
@@ -108,7 +108,9 @@
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -118,6 +120,7 @@
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 765f288..d304d30 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -279,7 +279,9 @@
'src/core/lib/iomgr/endpoint_pair.h',
'src/core/lib/iomgr/error.h',
'src/core/lib/iomgr/error_internal.h',
- 'src/core/lib/iomgr/ev_epoll_linux.h',
+ 'src/core/lib/iomgr/ev_epoll1_linux.h',
+ 'src/core/lib/iomgr/ev_epollex_linux.h',
+ 'src/core/lib/iomgr/ev_epollsig_linux.h',
'src/core/lib/iomgr/ev_poll_posix.h',
'src/core/lib/iomgr/ev_posix.h',
'src/core/lib/iomgr/exec_ctx.h',
@@ -288,6 +290,7 @@
'src/core/lib/iomgr/iomgr.h',
'src/core/lib/iomgr/iomgr_internal.h',
'src/core/lib/iomgr/iomgr_posix.h',
+ 'src/core/lib/iomgr/is_epollexclusive_available.h',
'src/core/lib/iomgr/load_file.h',
'src/core/lib/iomgr/lockfree_event.h',
'src/core/lib/iomgr/network_status_tracker.h',
@@ -309,6 +312,7 @@
'src/core/lib/iomgr/socket_utils.h',
'src/core/lib/iomgr/socket_utils_posix.h',
'src/core/lib/iomgr/socket_windows.h',
+ 'src/core/lib/iomgr/sys_epoll_wrapper.h',
'src/core/lib/iomgr/tcp_client.h',
'src/core/lib/iomgr/tcp_client_posix.h',
'src/core/lib/iomgr/tcp_posix.h',
@@ -488,7 +492,9 @@
'src/core/lib/iomgr/endpoint_pair_uv.c',
'src/core/lib/iomgr/endpoint_pair_windows.c',
'src/core/lib/iomgr/error.c',
- 'src/core/lib/iomgr/ev_epoll_linux.c',
+ 'src/core/lib/iomgr/ev_epoll1_linux.c',
+ 'src/core/lib/iomgr/ev_epollex_linux.c',
+ 'src/core/lib/iomgr/ev_epollsig_linux.c',
'src/core/lib/iomgr/ev_poll_posix.c',
'src/core/lib/iomgr/ev_posix.c',
'src/core/lib/iomgr/exec_ctx.c',
@@ -498,6 +504,7 @@
'src/core/lib/iomgr/iomgr_posix.c',
'src/core/lib/iomgr/iomgr_uv.c',
'src/core/lib/iomgr/iomgr_windows.c',
+ 'src/core/lib/iomgr/is_epollexclusive_available.c',
'src/core/lib/iomgr/load_file.c',
'src/core/lib/iomgr/lockfree_event.c',
'src/core/lib/iomgr/network_status_tracker.c',
@@ -746,7 +753,9 @@
'src/core/lib/iomgr/endpoint_pair.h',
'src/core/lib/iomgr/error.h',
'src/core/lib/iomgr/error_internal.h',
- 'src/core/lib/iomgr/ev_epoll_linux.h',
+ 'src/core/lib/iomgr/ev_epoll1_linux.h',
+ 'src/core/lib/iomgr/ev_epollex_linux.h',
+ 'src/core/lib/iomgr/ev_epollsig_linux.h',
'src/core/lib/iomgr/ev_poll_posix.h',
'src/core/lib/iomgr/ev_posix.h',
'src/core/lib/iomgr/exec_ctx.h',
@@ -755,6 +764,7 @@
'src/core/lib/iomgr/iomgr.h',
'src/core/lib/iomgr/iomgr_internal.h',
'src/core/lib/iomgr/iomgr_posix.h',
+ 'src/core/lib/iomgr/is_epollexclusive_available.h',
'src/core/lib/iomgr/load_file.h',
'src/core/lib/iomgr/lockfree_event.h',
'src/core/lib/iomgr/network_status_tracker.h',
@@ -776,6 +786,7 @@
'src/core/lib/iomgr/socket_utils.h',
'src/core/lib/iomgr/socket_utils_posix.h',
'src/core/lib/iomgr/socket_windows.h',
+ 'src/core/lib/iomgr/sys_epoll_wrapper.h',
'src/core/lib/iomgr/tcp_client.h',
'src/core/lib/iomgr/tcp_client_posix.h',
'src/core/lib/iomgr/tcp_posix.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index fda962c..d54beeb 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -195,7 +195,9 @@
s.files += %w( src/core/lib/iomgr/endpoint_pair.h )
s.files += %w( src/core/lib/iomgr/error.h )
s.files += %w( src/core/lib/iomgr/error_internal.h )
- s.files += %w( src/core/lib/iomgr/ev_epoll_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epoll1_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epollex_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epollsig_linux.h )
s.files += %w( src/core/lib/iomgr/ev_poll_posix.h )
s.files += %w( src/core/lib/iomgr/ev_posix.h )
s.files += %w( src/core/lib/iomgr/exec_ctx.h )
@@ -204,6 +206,7 @@
s.files += %w( src/core/lib/iomgr/iomgr.h )
s.files += %w( src/core/lib/iomgr/iomgr_internal.h )
s.files += %w( src/core/lib/iomgr/iomgr_posix.h )
+ s.files += %w( src/core/lib/iomgr/is_epollexclusive_available.h )
s.files += %w( src/core/lib/iomgr/load_file.h )
s.files += %w( src/core/lib/iomgr/lockfree_event.h )
s.files += %w( src/core/lib/iomgr/network_status_tracker.h )
@@ -225,6 +228,7 @@
s.files += %w( src/core/lib/iomgr/socket_utils.h )
s.files += %w( src/core/lib/iomgr/socket_utils_posix.h )
s.files += %w( src/core/lib/iomgr/socket_windows.h )
+ s.files += %w( src/core/lib/iomgr/sys_epoll_wrapper.h )
s.files += %w( src/core/lib/iomgr/tcp_client.h )
s.files += %w( src/core/lib/iomgr/tcp_client_posix.h )
s.files += %w( src/core/lib/iomgr/tcp_posix.h )
@@ -404,7 +408,9 @@
s.files += %w( src/core/lib/iomgr/endpoint_pair_uv.c )
s.files += %w( src/core/lib/iomgr/endpoint_pair_windows.c )
s.files += %w( src/core/lib/iomgr/error.c )
- s.files += %w( src/core/lib/iomgr/ev_epoll_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epoll1_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epollex_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epollsig_linux.c )
s.files += %w( src/core/lib/iomgr/ev_poll_posix.c )
s.files += %w( src/core/lib/iomgr/ev_posix.c )
s.files += %w( src/core/lib/iomgr/exec_ctx.c )
@@ -414,6 +420,7 @@
s.files += %w( src/core/lib/iomgr/iomgr_posix.c )
s.files += %w( src/core/lib/iomgr/iomgr_uv.c )
s.files += %w( src/core/lib/iomgr/iomgr_windows.c )
+ s.files += %w( src/core/lib/iomgr/is_epollexclusive_available.c )
s.files += %w( src/core/lib/iomgr/load_file.c )
s.files += %w( src/core/lib/iomgr/lockfree_event.c )
s.files += %w( src/core/lib/iomgr/network_status_tracker.c )
diff --git a/include/grpc++/server_builder.h b/include/grpc++/server_builder.h
index 7ac2334..5a85776 100644
--- a/include/grpc++/server_builder.h
+++ b/include/grpc++/server_builder.h
@@ -195,7 +195,10 @@
struct SyncServerSettings {
SyncServerSettings()
- : num_cqs(1), min_pollers(1), max_pollers(2), cq_timeout_msec(10000) {}
+ : num_cqs(GPR_MAX(1, gpr_cpu_num_cores())),
+ min_pollers(1),
+ max_pollers(2),
+ cq_timeout_msec(10000) {}
// Number of server completion queues to create to listen to incoming RPCs.
int num_cqs;
diff --git a/package.xml b/package.xml
index 886f2b7..f499683 100644
--- a/package.xml
+++ b/package.xml
@@ -204,7 +204,9 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/endpoint_pair.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/error.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/error_internal.h" role="src" />
- <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll1_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollex_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollsig_linux.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_poll_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/exec_ctx.h" role="src" />
@@ -213,6 +215,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_internal.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_posix.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/is_epollexclusive_available.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/load_file.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/lockfree_event.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/network_status_tracker.h" role="src" />
@@ -234,6 +237,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/socket_windows.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/sys_epoll_wrapper.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/tcp_client.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/tcp_client_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/tcp_posix.h" role="src" />
@@ -413,7 +417,9 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/endpoint_pair_uv.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/endpoint_pair_windows.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/error.c" role="src" />
- <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll1_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollex_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollsig_linux.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_poll_posix.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_posix.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/exec_ctx.c" role="src" />
@@ -423,6 +429,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_posix.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_uv.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_windows.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/is_epollexclusive_available.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/load_file.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/lockfree_event.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/network_status_tracker.c" role="src" />
diff --git a/src/core/lib/iomgr/ev_epoll1_linux.c b/src/core/lib/iomgr/ev_epoll1_linux.c
new file mode 100644
index 0000000..8aa69cd
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epoll1_linux.c
@@ -0,0 +1,982 @@
+/*
+ *
+ * Copyright 2017, 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 "src/core/lib/iomgr/port.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+#ifdef GRPC_LINUX_EPOLL
+
+#include "src/core/lib/iomgr/ev_epoll1_linux.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <poll.h>
+#include <pthread.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/cpu.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/lockfree_event.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/workqueue.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+
+static grpc_wakeup_fd global_wakeup_fd;
+static int g_epfd;
+
+/*******************************************************************************
+ * Fd Declarations
+ */
+
+struct grpc_fd {
+ int fd;
+
+ gpr_atm read_closure;
+ gpr_atm write_closure;
+
+ struct grpc_fd *freelist_next;
+
+ /* The pollset that last noticed that the fd is readable. The actual type
+ * stored in this is (grpc_pollset *) */
+ gpr_atm read_notifier_pollset;
+
+ grpc_iomgr_object iomgr_object;
+};
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+/*******************************************************************************
+ * Pollset Declarations
+ */
+
+typedef enum { UNKICKED, KICKED, DESIGNATED_POLLER } kick_state;
+
+struct grpc_pollset_worker {
+ kick_state kick_state;
+ bool initialized_cv;
+ grpc_pollset_worker *next;
+ grpc_pollset_worker *prev;
+ gpr_cv cv;
+ grpc_closure_list schedule_on_end_work;
+};
+
+#define MAX_NEIGHBOURHOODS 1024
+
+typedef struct pollset_neighbourhood {
+ gpr_mu mu;
+ grpc_pollset *active_root;
+ char pad[GPR_CACHELINE_SIZE];
+} pollset_neighbourhood;
+
+struct grpc_pollset {
+ gpr_mu mu;
+ pollset_neighbourhood *neighbourhood;
+ bool reassigning_neighbourhood;
+ grpc_pollset_worker *root_worker;
+ bool kicked_without_poller;
+ bool seen_inactive;
+ bool shutting_down; /* Is the pollset shutting down ? */
+ bool finish_shutdown_called; /* Is the 'finish_shutdown_locked()' called ? */
+ grpc_closure *shutdown_closure; /* Called after after shutdown is complete */
+ int begin_refs;
+
+ grpc_pollset *next;
+ grpc_pollset *prev;
+};
+
+/*******************************************************************************
+ * Pollset-set Declarations
+ */
+
+struct grpc_pollset_set {};
+
+/*******************************************************************************
+ * Common helpers
+ */
+
+static bool append_error(grpc_error **composite, grpc_error *error,
+ const char *desc) {
+ if (error == GRPC_ERROR_NONE) return true;
+ if (*composite == GRPC_ERROR_NONE) {
+ *composite = GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc);
+ }
+ *composite = grpc_error_add_child(*composite, error);
+ return false;
+}
+
+/*******************************************************************************
+ * Fd Definitions
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+
+/* The alarm system needs to be able to wakeup 'some poller' sometimes
+ * (specifically when a new alarm needs to be triggered earlier than the next
+ * alarm 'epoch'). This wakeup_fd gives us something to alert on when such a
+ * case occurs. */
+
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+ gpr_mu_lock(&fd_freelist_mu);
+ gpr_mu_unlock(&fd_freelist_mu);
+ while (fd_freelist != NULL) {
+ grpc_fd *fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ gpr_free(fd);
+ }
+ gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+ grpc_fd *new_fd = NULL;
+
+ gpr_mu_lock(&fd_freelist_mu);
+ if (fd_freelist != NULL) {
+ new_fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ }
+ gpr_mu_unlock(&fd_freelist_mu);
+
+ if (new_fd == NULL) {
+ new_fd = gpr_malloc(sizeof(grpc_fd));
+ }
+
+ new_fd->fd = fd;
+ grpc_lfev_init(&new_fd->read_closure);
+ grpc_lfev_init(&new_fd->write_closure);
+ gpr_atm_no_barrier_store(&new_fd->read_notifier_pollset, (gpr_atm)NULL);
+
+ new_fd->freelist_next = NULL;
+
+ char *fd_name;
+ gpr_asprintf(&fd_name, "%s fd=%d", name, fd);
+ grpc_iomgr_register_object(&new_fd->iomgr_object, fd_name);
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+ gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, (void *)new_fd, fd_name);
+#endif
+ gpr_free(fd_name);
+
+ struct epoll_event ev = {.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET),
+ .data.ptr = new_fd};
+ if (epoll_ctl(g_epfd, EPOLL_CTL_ADD, fd, &ev) != 0) {
+ gpr_log(GPR_ERROR, "epoll_ctl failed: %s", strerror(errno));
+ }
+
+ return new_fd;
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) { return fd->fd; }
+
+/* Might be called multiple times */
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_error *why) {
+ if (grpc_lfev_set_shutdown(exec_ctx, &fd->read_closure,
+ GRPC_ERROR_REF(why))) {
+ shutdown(fd->fd, SHUT_RDWR);
+ grpc_lfev_set_shutdown(exec_ctx, &fd->write_closure, GRPC_ERROR_REF(why));
+ }
+ GRPC_ERROR_UNREF(why);
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *on_done, int *release_fd,
+ const char *reason) {
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ if (!grpc_lfev_is_shutdown(&fd->read_closure)) {
+ fd_shutdown(exec_ctx, fd, GRPC_ERROR_CREATE_FROM_COPIED_STRING(reason));
+ }
+
+ /* If release_fd is not NULL, we should be relinquishing control of the file
+ descriptor fd->fd (but we still own the grpc_fd structure). */
+ if (release_fd != NULL) {
+ *release_fd = fd->fd;
+ } else {
+ close(fd->fd);
+ }
+
+ grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_REF(error));
+
+ grpc_iomgr_unregister_object(&fd->iomgr_object);
+ grpc_lfev_destroy(&fd->read_closure);
+ grpc_lfev_destroy(&fd->write_closure);
+
+ gpr_mu_lock(&fd_freelist_mu);
+ fd->freelist_next = fd_freelist;
+ fd_freelist = fd;
+ gpr_mu_unlock(&fd_freelist_mu);
+}
+
+static grpc_pollset *fd_get_read_notifier_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_fd *fd) {
+ gpr_atm notifier = gpr_atm_acq_load(&fd->read_notifier_pollset);
+ return (grpc_pollset *)notifier;
+}
+
+static bool fd_is_shutdown(grpc_fd *fd) {
+ return grpc_lfev_is_shutdown(&fd->read_closure);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->read_closure, closure);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->write_closure, closure);
+}
+
+static grpc_workqueue *fd_get_workqueue(grpc_fd *fd) {
+ return (grpc_workqueue *)0xb0b51ed;
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_pollset *notifier) {
+ grpc_lfev_set_ready(exec_ctx, &fd->read_closure);
+
+ /* Note, it is possible that fd_become_readable might be called twice with
+ different 'notifier's when an fd becomes readable and it is in two epoll
+ sets (This can happen briefly during polling island merges). In such cases
+ it does not really matter which notifer is set as the read_notifier_pollset
+ (They would both point to the same polling island anyway) */
+ /* Use release store to match with acquire load in fd_get_read_notifier */
+ gpr_atm_rel_store(&fd->read_notifier_pollset, (gpr_atm)notifier);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ grpc_lfev_set_ready(exec_ctx, &fd->write_closure);
+}
+
+/*******************************************************************************
+ * Pollset Definitions
+ */
+
+GPR_TLS_DECL(g_current_thread_pollset);
+GPR_TLS_DECL(g_current_thread_worker);
+static gpr_atm g_active_poller;
+static pollset_neighbourhood *g_neighbourhoods;
+static size_t g_num_neighbourhoods;
+static gpr_mu g_wq_mu;
+static grpc_closure_list g_wq_items;
+
+/* Return true if first in list */
+static bool worker_insert(grpc_pollset *pollset, grpc_pollset_worker *worker) {
+ if (pollset->root_worker == NULL) {
+ pollset->root_worker = worker;
+ worker->next = worker->prev = worker;
+ return true;
+ } else {
+ worker->next = pollset->root_worker;
+ worker->prev = worker->next->prev;
+ worker->next->prev = worker;
+ worker->prev->next = worker;
+ return false;
+ }
+}
+
+/* Return true if last in list */
+typedef enum { EMPTIED, NEW_ROOT, REMOVED } worker_remove_result;
+
+static worker_remove_result worker_remove(grpc_pollset *pollset,
+ grpc_pollset_worker *worker) {
+ if (worker == pollset->root_worker) {
+ if (worker == worker->next) {
+ pollset->root_worker = NULL;
+ return EMPTIED;
+ } else {
+ pollset->root_worker = worker->next;
+ worker->prev->next = worker->next;
+ worker->next->prev = worker->prev;
+ return NEW_ROOT;
+ }
+ } else {
+ worker->prev->next = worker->next;
+ worker->next->prev = worker->prev;
+ return REMOVED;
+ }
+}
+
+static size_t choose_neighbourhood(void) {
+ return (size_t)gpr_cpu_current_cpu() % g_num_neighbourhoods;
+}
+
+static grpc_error *pollset_global_init(void) {
+ gpr_tls_init(&g_current_thread_pollset);
+ gpr_tls_init(&g_current_thread_worker);
+ gpr_atm_no_barrier_store(&g_active_poller, 0);
+ global_wakeup_fd.read_fd = -1;
+ grpc_error *err = grpc_wakeup_fd_init(&global_wakeup_fd);
+ gpr_mu_init(&g_wq_mu);
+ g_wq_items = (grpc_closure_list)GRPC_CLOSURE_LIST_INIT;
+ if (err != GRPC_ERROR_NONE) return err;
+ struct epoll_event ev = {.events = (uint32_t)(EPOLLIN | EPOLLET),
+ .data.ptr = &global_wakeup_fd};
+ if (epoll_ctl(g_epfd, EPOLL_CTL_ADD, global_wakeup_fd.read_fd, &ev) != 0) {
+ return GRPC_OS_ERROR(errno, "epoll_ctl");
+ }
+ g_num_neighbourhoods = GPR_CLAMP(gpr_cpu_num_cores(), 1, MAX_NEIGHBOURHOODS);
+ g_neighbourhoods =
+ gpr_zalloc(sizeof(*g_neighbourhoods) * g_num_neighbourhoods);
+ for (size_t i = 0; i < g_num_neighbourhoods; i++) {
+ gpr_mu_init(&g_neighbourhoods[i].mu);
+ }
+ return GRPC_ERROR_NONE;
+}
+
+static void pollset_global_shutdown(void) {
+ gpr_tls_destroy(&g_current_thread_pollset);
+ gpr_tls_destroy(&g_current_thread_worker);
+ gpr_mu_destroy(&g_wq_mu);
+ if (global_wakeup_fd.read_fd != -1) grpc_wakeup_fd_destroy(&global_wakeup_fd);
+ for (size_t i = 0; i < g_num_neighbourhoods; i++) {
+ gpr_mu_destroy(&g_neighbourhoods[i].mu);
+ }
+ gpr_free(g_neighbourhoods);
+}
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+ gpr_mu_init(&pollset->mu);
+ *mu = &pollset->mu;
+ pollset->neighbourhood = &g_neighbourhoods[choose_neighbourhood()];
+ pollset->seen_inactive = true;
+}
+
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ gpr_mu_lock(&pollset->mu);
+ if (!pollset->seen_inactive) {
+ pollset_neighbourhood *neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ retry_lock_neighbourhood:
+ gpr_mu_lock(&neighbourhood->mu);
+ gpr_mu_lock(&pollset->mu);
+ if (!pollset->seen_inactive) {
+ if (pollset->neighbourhood != neighbourhood) {
+ gpr_mu_unlock(&neighbourhood->mu);
+ neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ goto retry_lock_neighbourhood;
+ }
+ pollset->prev->next = pollset->next;
+ pollset->next->prev = pollset->prev;
+ if (pollset == pollset->neighbourhood->active_root) {
+ pollset->neighbourhood->active_root =
+ pollset->next == pollset ? NULL : pollset->next;
+ }
+ }
+ gpr_mu_unlock(&pollset->neighbourhood->mu);
+ }
+ gpr_mu_unlock(&pollset->mu);
+ gpr_mu_destroy(&pollset->mu);
+}
+
+static grpc_error *pollset_kick_all(grpc_pollset *pollset) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ if (pollset->root_worker != NULL) {
+ grpc_pollset_worker *worker = pollset->root_worker;
+ do {
+ if (worker->initialized_cv) {
+ worker->kick_state = KICKED;
+ gpr_cv_signal(&worker->cv);
+ } else {
+ worker->kick_state = KICKED;
+ append_error(&error, grpc_wakeup_fd_wakeup(&global_wakeup_fd),
+ "pollset_shutdown");
+ }
+
+ worker = worker->next;
+ } while (worker != pollset->root_worker);
+ }
+ return error;
+}
+
+static void pollset_maybe_finish_shutdown(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
+ if (pollset->shutdown_closure != NULL && pollset->root_worker == NULL &&
+ pollset->begin_refs == 0) {
+ grpc_closure_sched(exec_ctx, pollset->shutdown_closure, GRPC_ERROR_NONE);
+ pollset->shutdown_closure = NULL;
+ }
+}
+
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_closure *closure) {
+ GPR_ASSERT(pollset->shutdown_closure == NULL);
+ pollset->shutdown_closure = closure;
+ GRPC_LOG_IF_ERROR("pollset_shutdown", pollset_kick_all(pollset));
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+}
+
+#define MAX_EPOLL_EVENTS 100
+
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+ gpr_timespec now) {
+ gpr_timespec timeout;
+ if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
+ return -1;
+ }
+
+ if (gpr_time_cmp(deadline, now) <= 0) {
+ return 0;
+ }
+
+ static const gpr_timespec round_up = {
+ .clock_type = GPR_TIMESPAN, .tv_sec = 0, .tv_nsec = GPR_NS_PER_MS - 1};
+ timeout = gpr_time_sub(deadline, now);
+ int millis = gpr_time_to_millis(gpr_time_add(timeout, round_up));
+ return millis >= 1 ? millis : 1;
+}
+
+static grpc_error *pollset_epoll(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ gpr_timespec now, gpr_timespec deadline) {
+ struct epoll_event events[MAX_EPOLL_EVENTS];
+ static const char *err_desc = "pollset_poll";
+
+ int timeout = poll_deadline_to_millis_timeout(deadline, now);
+
+ if (timeout != 0) {
+ GRPC_SCHEDULING_START_BLOCKING_REGION;
+ }
+ int r;
+ do {
+ r = epoll_wait(g_epfd, events, MAX_EPOLL_EVENTS, timeout);
+ } while (r < 0 && errno == EINTR);
+ if (timeout != 0) {
+ GRPC_SCHEDULING_END_BLOCKING_REGION;
+ }
+
+ if (r < 0) return GRPC_OS_ERROR(errno, "epoll_wait");
+
+ grpc_error *error = GRPC_ERROR_NONE;
+ for (int i = 0; i < r; i++) {
+ void *data_ptr = events[i].data.ptr;
+ if (data_ptr == &global_wakeup_fd) {
+ gpr_mu_lock(&g_wq_mu);
+ grpc_closure_list_move(&g_wq_items, &exec_ctx->closure_list);
+ gpr_mu_unlock(&g_wq_mu);
+ append_error(&error, grpc_wakeup_fd_consume_wakeup(&global_wakeup_fd),
+ err_desc);
+ } else {
+ grpc_fd *fd = (grpc_fd *)(data_ptr);
+ bool cancel = (events[i].events & (EPOLLERR | EPOLLHUP)) != 0;
+ bool read_ev = (events[i].events & (EPOLLIN | EPOLLPRI)) != 0;
+ bool write_ev = (events[i].events & EPOLLOUT) != 0;
+ if (read_ev || cancel) {
+ fd_become_readable(exec_ctx, fd, pollset);
+ }
+ if (write_ev || cancel) {
+ fd_become_writable(exec_ctx, fd);
+ }
+ }
+ }
+
+ return error;
+}
+
+static bool begin_worker(grpc_pollset *pollset, grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl, gpr_timespec *now,
+ gpr_timespec deadline) {
+ if (worker_hdl != NULL) *worker_hdl = worker;
+ worker->initialized_cv = false;
+ worker->kick_state = UNKICKED;
+ worker->schedule_on_end_work = (grpc_closure_list)GRPC_CLOSURE_LIST_INIT;
+ pollset->begin_refs++;
+
+ if (pollset->seen_inactive) {
+ // pollset has been observed to be inactive, we need to move back to the
+ // active list
+ bool is_reassigning = false;
+ if (!pollset->reassigning_neighbourhood) {
+ is_reassigning = true;
+ pollset->reassigning_neighbourhood = true;
+ pollset->neighbourhood = &g_neighbourhoods[choose_neighbourhood()];
+ }
+ pollset_neighbourhood *neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ // pollset unlocked: state may change (even worker->kick_state)
+ retry_lock_neighbourhood:
+ gpr_mu_lock(&neighbourhood->mu);
+ gpr_mu_lock(&pollset->mu);
+ if (pollset->seen_inactive) {
+ if (neighbourhood != pollset->neighbourhood) {
+ gpr_mu_unlock(&neighbourhood->mu);
+ neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ goto retry_lock_neighbourhood;
+ }
+ pollset->seen_inactive = false;
+ if (neighbourhood->active_root == NULL) {
+ neighbourhood->active_root = pollset->next = pollset->prev = pollset;
+ if (gpr_atm_no_barrier_cas(&g_active_poller, 0, (gpr_atm)worker)) {
+ worker->kick_state = DESIGNATED_POLLER;
+ }
+ } else {
+ pollset->next = neighbourhood->active_root;
+ pollset->prev = pollset->next->prev;
+ pollset->next->prev = pollset->prev->next = pollset;
+ }
+ }
+ if (is_reassigning) {
+ GPR_ASSERT(pollset->reassigning_neighbourhood);
+ pollset->reassigning_neighbourhood = false;
+ }
+ gpr_mu_unlock(&neighbourhood->mu);
+ }
+ worker_insert(pollset, worker);
+ pollset->begin_refs--;
+ if (worker->kick_state == UNKICKED) {
+ GPR_ASSERT(gpr_atm_no_barrier_load(&g_active_poller) != (gpr_atm)worker);
+ worker->initialized_cv = true;
+ gpr_cv_init(&worker->cv);
+ while (worker->kick_state == UNKICKED &&
+ pollset->shutdown_closure == NULL) {
+ if (gpr_cv_wait(&worker->cv, &pollset->mu, deadline) &&
+ worker->kick_state == UNKICKED) {
+ worker->kick_state = KICKED;
+ }
+ }
+ *now = gpr_now(now->clock_type);
+ }
+
+ return worker->kick_state == DESIGNATED_POLLER &&
+ pollset->shutdown_closure == NULL;
+}
+
+static bool check_neighbourhood_for_available_poller(
+ pollset_neighbourhood *neighbourhood) {
+ bool found_worker = false;
+ do {
+ grpc_pollset *inspect = neighbourhood->active_root;
+ if (inspect == NULL) {
+ break;
+ }
+ gpr_mu_lock(&inspect->mu);
+ GPR_ASSERT(!inspect->seen_inactive);
+ grpc_pollset_worker *inspect_worker = inspect->root_worker;
+ if (inspect_worker != NULL) {
+ do {
+ switch (inspect_worker->kick_state) {
+ case UNKICKED:
+ if (gpr_atm_no_barrier_cas(&g_active_poller, 0,
+ (gpr_atm)inspect_worker)) {
+ inspect_worker->kick_state = DESIGNATED_POLLER;
+ if (inspect_worker->initialized_cv) {
+ gpr_cv_signal(&inspect_worker->cv);
+ }
+ }
+ // even if we didn't win the cas, there's a worker, we can stop
+ found_worker = true;
+ break;
+ case KICKED:
+ break;
+ case DESIGNATED_POLLER:
+ found_worker = true; // ok, so someone else found the worker, but
+ // we'll accept that
+ break;
+ }
+ inspect_worker = inspect_worker->next;
+ } while (inspect_worker != inspect->root_worker);
+ }
+ if (!found_worker) {
+ inspect->seen_inactive = true;
+ if (inspect == neighbourhood->active_root) {
+ neighbourhood->active_root =
+ inspect->next == inspect ? NULL : inspect->next;
+ }
+ inspect->next->prev = inspect->prev;
+ inspect->prev->next = inspect->next;
+ inspect->next = inspect->prev = NULL;
+ }
+ gpr_mu_unlock(&inspect->mu);
+ } while (!found_worker);
+ return found_worker;
+}
+
+static void end_worker(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl) {
+ if (worker_hdl != NULL) *worker_hdl = NULL;
+ worker->kick_state = KICKED;
+ grpc_closure_list_move(&worker->schedule_on_end_work,
+ &exec_ctx->closure_list);
+ if (gpr_atm_no_barrier_load(&g_active_poller) == (gpr_atm)worker) {
+ if (worker->next != worker && worker->next->kick_state == UNKICKED) {
+ GPR_ASSERT(worker->next->initialized_cv);
+ gpr_atm_no_barrier_store(&g_active_poller, (gpr_atm)worker->next);
+ worker->next->kick_state = DESIGNATED_POLLER;
+ gpr_cv_signal(&worker->next->cv);
+ if (grpc_exec_ctx_has_work(exec_ctx)) {
+ gpr_mu_unlock(&pollset->mu);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->mu);
+ }
+ } else {
+ gpr_atm_no_barrier_store(&g_active_poller, 0);
+ gpr_mu_unlock(&pollset->mu);
+ size_t poller_neighbourhood_idx =
+ (size_t)(pollset->neighbourhood - g_neighbourhoods);
+ bool found_worker = false;
+ bool scan_state[MAX_NEIGHBOURHOODS];
+ for (size_t i = 0; !found_worker && i < g_num_neighbourhoods; i++) {
+ pollset_neighbourhood *neighbourhood =
+ &g_neighbourhoods[(poller_neighbourhood_idx + i) %
+ g_num_neighbourhoods];
+ if (gpr_mu_trylock(&neighbourhood->mu)) {
+ found_worker =
+ check_neighbourhood_for_available_poller(neighbourhood);
+ gpr_mu_unlock(&neighbourhood->mu);
+ scan_state[i] = true;
+ } else {
+ scan_state[i] = false;
+ }
+ }
+ for (size_t i = 0; !found_worker && i < g_num_neighbourhoods; i++) {
+ if (scan_state[i]) continue;
+ pollset_neighbourhood *neighbourhood =
+ &g_neighbourhoods[(poller_neighbourhood_idx + i) %
+ g_num_neighbourhoods];
+ gpr_mu_lock(&neighbourhood->mu);
+ found_worker = check_neighbourhood_for_available_poller(neighbourhood);
+ gpr_mu_unlock(&neighbourhood->mu);
+ }
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->mu);
+ }
+ } else if (grpc_exec_ctx_has_work(exec_ctx)) {
+ gpr_mu_unlock(&pollset->mu);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->mu);
+ }
+ if (worker->initialized_cv) {
+ gpr_cv_destroy(&worker->cv);
+ }
+ if (EMPTIED == worker_remove(pollset, worker)) {
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+ }
+ GPR_ASSERT(gpr_atm_no_barrier_load(&g_active_poller) != (gpr_atm)worker);
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this.
+ The function pollset_work() may temporarily release the lock (pollset->po.mu)
+ during the course of its execution but it will always re-acquire the lock and
+ ensure that it is held by the time the function returns */
+static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker **worker_hdl,
+ gpr_timespec now, gpr_timespec deadline) {
+ grpc_pollset_worker worker;
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "pollset_work";
+ if (pollset->kicked_without_poller) {
+ pollset->kicked_without_poller = false;
+ return GRPC_ERROR_NONE;
+ }
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)pollset);
+ if (begin_worker(pollset, &worker, worker_hdl, &now, deadline)) {
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+ GPR_ASSERT(!pollset->shutdown_closure);
+ GPR_ASSERT(!pollset->seen_inactive);
+ gpr_mu_unlock(&pollset->mu);
+ append_error(&error, pollset_epoll(exec_ctx, pollset, now, deadline),
+ err_desc);
+ gpr_mu_lock(&pollset->mu);
+ gpr_tls_set(&g_current_thread_worker, 0);
+ }
+ end_worker(exec_ctx, pollset, &worker, worker_hdl);
+ gpr_tls_set(&g_current_thread_pollset, 0);
+ return error;
+}
+
+static grpc_error *pollset_kick(grpc_pollset *pollset,
+ grpc_pollset_worker *specific_worker) {
+ if (specific_worker == NULL) {
+ if (gpr_tls_get(&g_current_thread_pollset) != (intptr_t)pollset) {
+ grpc_pollset_worker *root_worker = pollset->root_worker;
+ if (root_worker == NULL) {
+ pollset->kicked_without_poller = true;
+ return GRPC_ERROR_NONE;
+ }
+ grpc_pollset_worker *next_worker = root_worker->next;
+ if (root_worker == next_worker &&
+ root_worker == (grpc_pollset_worker *)gpr_atm_no_barrier_load(
+ &g_active_poller)) {
+ root_worker->kick_state = KICKED;
+ return grpc_wakeup_fd_wakeup(&global_wakeup_fd);
+ } else if (next_worker->kick_state == UNKICKED) {
+ GPR_ASSERT(next_worker->initialized_cv);
+ next_worker->kick_state = KICKED;
+ gpr_cv_signal(&next_worker->cv);
+ return GRPC_ERROR_NONE;
+ } else {
+ return GRPC_ERROR_NONE;
+ }
+ } else {
+ return GRPC_ERROR_NONE;
+ }
+ } else if (specific_worker->kick_state == KICKED) {
+ return GRPC_ERROR_NONE;
+ } else if (gpr_tls_get(&g_current_thread_worker) ==
+ (intptr_t)specific_worker) {
+ specific_worker->kick_state = KICKED;
+ return GRPC_ERROR_NONE;
+ } else if (specific_worker ==
+ (grpc_pollset_worker *)gpr_atm_no_barrier_load(&g_active_poller)) {
+ specific_worker->kick_state = KICKED;
+ return grpc_wakeup_fd_wakeup(&global_wakeup_fd);
+ } else if (specific_worker->initialized_cv) {
+ specific_worker->kick_state = KICKED;
+ gpr_cv_signal(&specific_worker->cv);
+ return GRPC_ERROR_NONE;
+ } else {
+ specific_worker->kick_state = KICKED;
+ return GRPC_ERROR_NONE;
+ }
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_fd *fd) {}
+
+/*******************************************************************************
+ * Workqueue Definitions
+ */
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue,
+ const char *file, int line,
+ const char *reason) {
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue,
+ const char *file, int line, const char *reason) {}
+#else
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue) {
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx,
+ grpc_workqueue *workqueue) {}
+#endif
+
+static void wq_sched(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error) {
+ // find a neighbourhood to wakeup
+ bool scheduled = false;
+ size_t initial_neighbourhood = choose_neighbourhood();
+ for (size_t i = 0; !scheduled && i < g_num_neighbourhoods; i++) {
+ pollset_neighbourhood *neighbourhood =
+ &g_neighbourhoods[(initial_neighbourhood + i) % g_num_neighbourhoods];
+ if (gpr_mu_trylock(&neighbourhood->mu)) {
+ if (neighbourhood->active_root != NULL) {
+ grpc_pollset *inspect = neighbourhood->active_root;
+ do {
+ if (gpr_mu_trylock(&inspect->mu)) {
+ if (inspect->root_worker != NULL) {
+ grpc_pollset_worker *inspect_worker = inspect->root_worker;
+ do {
+ if (inspect_worker->kick_state == UNKICKED) {
+ inspect_worker->kick_state = KICKED;
+ grpc_closure_list_append(
+ &inspect_worker->schedule_on_end_work, closure, error);
+ if (inspect_worker->initialized_cv) {
+ gpr_cv_signal(&inspect_worker->cv);
+ }
+ scheduled = true;
+ }
+ inspect_worker = inspect_worker->next;
+ } while (!scheduled && inspect_worker != inspect->root_worker);
+ }
+ gpr_mu_unlock(&inspect->mu);
+ }
+ inspect = inspect->next;
+ } while (!scheduled && inspect != neighbourhood->active_root);
+ }
+ gpr_mu_unlock(&neighbourhood->mu);
+ }
+ }
+ if (!scheduled) {
+ gpr_mu_lock(&g_wq_mu);
+ grpc_closure_list_append(&g_wq_items, closure, error);
+ gpr_mu_unlock(&g_wq_mu);
+ GRPC_LOG_IF_ERROR("workqueue_scheduler",
+ grpc_wakeup_fd_wakeup(&global_wakeup_fd));
+ }
+}
+
+static const grpc_closure_scheduler_vtable
+ singleton_workqueue_scheduler_vtable = {wq_sched, wq_sched,
+ "epoll1_workqueue"};
+
+static grpc_closure_scheduler singleton_workqueue_scheduler = {
+ &singleton_workqueue_scheduler_vtable};
+
+static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) {
+ return &singleton_workqueue_scheduler;
+}
+
+/*******************************************************************************
+ * Pollset-set Definitions
+ */
+
+static grpc_pollset_set *pollset_set_create(void) {
+ return (grpc_pollset_set *)((intptr_t)0xdeafbeef);
+}
+
+static void pollset_set_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss) {}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {}
+
+/*******************************************************************************
+ * Event engine binding
+ */
+
+static void shutdown_engine(void) {
+ fd_global_shutdown();
+ pollset_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+ .pollset_size = sizeof(grpc_pollset),
+
+ .fd_create = fd_create,
+ .fd_wrapped_fd = fd_wrapped_fd,
+ .fd_orphan = fd_orphan,
+ .fd_shutdown = fd_shutdown,
+ .fd_is_shutdown = fd_is_shutdown,
+ .fd_notify_on_read = fd_notify_on_read,
+ .fd_notify_on_write = fd_notify_on_write,
+ .fd_get_read_notifier_pollset = fd_get_read_notifier_pollset,
+ .fd_get_workqueue = fd_get_workqueue,
+
+ .pollset_init = pollset_init,
+ .pollset_shutdown = pollset_shutdown,
+ .pollset_destroy = pollset_destroy,
+ .pollset_work = pollset_work,
+ .pollset_kick = pollset_kick,
+ .pollset_add_fd = pollset_add_fd,
+
+ .pollset_set_create = pollset_set_create,
+ .pollset_set_destroy = pollset_set_destroy,
+ .pollset_set_add_pollset = pollset_set_add_pollset,
+ .pollset_set_del_pollset = pollset_set_del_pollset,
+ .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+ .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+ .pollset_set_add_fd = pollset_set_add_fd,
+ .pollset_set_del_fd = pollset_set_del_fd,
+
+ .workqueue_ref = workqueue_ref,
+ .workqueue_unref = workqueue_unref,
+ .workqueue_scheduler = workqueue_scheduler,
+
+ .shutdown_engine = shutdown_engine,
+};
+
+/* It is possible that GLIBC has epoll but the underlying kernel doesn't.
+ * Create a dummy epoll_fd to make sure epoll support is available */
+const grpc_event_engine_vtable *grpc_init_epoll1_linux(bool explicit_request) {
+ if (!grpc_has_wakeup_fd()) {
+ return NULL;
+ }
+
+ g_epfd = epoll_create1(EPOLL_CLOEXEC);
+ if (g_epfd < 0) {
+ gpr_log(GPR_ERROR, "epoll unavailable");
+ return NULL;
+ }
+
+ fd_global_init();
+
+ if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
+ close(g_epfd);
+ fd_global_shutdown();
+ return NULL;
+ }
+
+ return &vtable;
+}
+
+#else /* defined(GRPC_LINUX_EPOLL) */
+#if defined(GRPC_POSIX_SOCKET)
+#include "src/core/lib/iomgr/ev_posix.h"
+/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
+ * NULL */
+const grpc_event_engine_vtable *grpc_init_epoll1_linux(bool explicit_request) {
+ return NULL;
+}
+#endif /* defined(GRPC_POSIX_SOCKET) */
+#endif /* !defined(GRPC_LINUX_EPOLL) */
diff --git a/src/core/lib/iomgr/ev_epoll_linux.h b/src/core/lib/iomgr/ev_epoll1_linux.h
similarity index 78%
copy from src/core/lib/iomgr/ev_epoll_linux.h
copy to src/core/lib/iomgr/ev_epoll1_linux.h
index 8fc3ff5..bd52478 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.h
+++ b/src/core/lib/iomgr/ev_epoll1_linux.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015, Google Inc.
+ * Copyright 2017, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,14 @@
*
*/
-#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
-#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL1_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLL1_LINUX_H
#include "src/core/lib/iomgr/ev_posix.h"
#include "src/core/lib/iomgr/port.h"
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void);
+// a polling engine that utilizes a singleton epoll set and turnstile polling
-#ifdef GRPC_LINUX_EPOLL
-void *grpc_fd_get_polling_island(grpc_fd *fd);
-void *grpc_pollset_get_polling_island(grpc_pollset *ps);
-bool grpc_are_polling_islands_equal(void *p, void *q);
-#endif /* defined(GRPC_LINUX_EPOLL) */
+const grpc_event_engine_vtable *grpc_init_epoll1_linux(bool explicit_request);
-#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL1_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_epollex_linux.c b/src/core/lib/iomgr/ev_epollex_linux.c
new file mode 100644
index 0000000..5a7c044
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epollex_linux.c
@@ -0,0 +1,1489 @@
+/*
+ *
+ * Copyright 2017, 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 "src/core/lib/iomgr/port.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+#ifdef GRPC_LINUX_EPOLL
+
+#include "src/core/lib/iomgr/ev_epollex_linux.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <poll.h>
+#include <pthread.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/is_epollexclusive_available.h"
+#include "src/core/lib/iomgr/lockfree_event.h"
+#include "src/core/lib/iomgr/sys_epoll_wrapper.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/workqueue.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/spinlock.h"
+
+/*******************************************************************************
+ * Pollset-set sibling link
+ */
+
+typedef enum {
+ PO_POLLING_GROUP,
+ PO_POLLSET_SET,
+ PO_POLLSET,
+ PO_FD, /* ordering is important: we always want to lock pollsets before fds:
+ this guarantees that using an fd as a pollable is safe */
+ PO_EMPTY_POLLABLE,
+ PO_COUNT
+} polling_obj_type;
+
+typedef struct polling_obj polling_obj;
+typedef struct polling_group polling_group;
+
+struct polling_obj {
+ gpr_mu mu;
+ polling_obj_type type;
+ polling_group *group;
+ struct polling_obj *next;
+ struct polling_obj *prev;
+};
+
+struct polling_group {
+ polling_obj po;
+ gpr_refcount refs;
+};
+
+static void po_init(polling_obj *po, polling_obj_type type);
+static void po_destroy(polling_obj *po);
+static void po_join(grpc_exec_ctx *exec_ctx, polling_obj *a, polling_obj *b);
+static int po_cmp(polling_obj *a, polling_obj *b);
+
+static void pg_create(grpc_exec_ctx *exec_ctx, polling_obj **initial_po,
+ size_t initial_po_count);
+static polling_group *pg_ref(polling_group *pg);
+static void pg_unref(polling_group *pg);
+static void pg_merge(grpc_exec_ctx *exec_ctx, polling_group *a,
+ polling_group *b);
+static void pg_join(grpc_exec_ctx *exec_ctx, polling_group *pg,
+ polling_obj *po);
+
+/*******************************************************************************
+ * pollable Declarations
+ */
+
+typedef struct pollable {
+ polling_obj po;
+ int epfd;
+ grpc_wakeup_fd wakeup;
+ grpc_pollset_worker *root_worker;
+} pollable;
+
+static pollable g_empty_pollable;
+
+static void pollable_init(pollable *p, polling_obj_type type);
+static void pollable_destroy(pollable *p);
+/* ensure that p->epfd, p->wakeup are initialized; p->po.mu must be held */
+static grpc_error *pollable_materialize(pollable *p);
+
+/*******************************************************************************
+ * Fd Declarations
+ */
+
+struct grpc_fd {
+ pollable pollable;
+ int fd;
+ /* refst format:
+ bit 0 : 1=Active / 0=Orphaned
+ bits 1-n : refcount
+ Ref/Unref by two to avoid altering the orphaned bit */
+ gpr_atm refst;
+
+ /* Wakeup fd used to wake pollers to check the contents of workqueue_items */
+ grpc_wakeup_fd workqueue_wakeup_fd;
+ grpc_closure_scheduler workqueue_scheduler;
+ /* Spinlock guarding the read end of the workqueue (must be held to pop from
+ * workqueue_items) */
+ gpr_spinlock workqueue_read_mu;
+ /* Queue of closures to be executed */
+ gpr_mpscq workqueue_items;
+ /* Count of items in workqueue_items */
+ gpr_atm workqueue_item_count;
+
+ /* The fd is either closed or we relinquished control of it. In either
+ cases, this indicates that the 'fd' on this structure is no longer
+ valid */
+ gpr_mu orphaned_mu;
+ bool orphaned;
+
+ gpr_atm read_closure;
+ gpr_atm write_closure;
+
+ struct grpc_fd *freelist_next;
+ grpc_closure *on_done_closure;
+
+ /* The pollset that last noticed that the fd is readable. The actual type
+ * stored in this is (grpc_pollset *) */
+ gpr_atm read_notifier_pollset;
+
+ grpc_iomgr_object iomgr_object;
+};
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error);
+
+static const grpc_closure_scheduler_vtable workqueue_scheduler_vtable = {
+ workqueue_enqueue, workqueue_enqueue, "workqueue"};
+
+/*******************************************************************************
+ * Pollset Declarations
+ */
+
+typedef struct pollset_worker_link {
+ grpc_pollset_worker *next;
+ grpc_pollset_worker *prev;
+} pollset_worker_link;
+
+typedef enum {
+ PWL_POLLSET,
+ PWL_POLLABLE,
+ POLLSET_WORKER_LINK_COUNT
+} pollset_worker_links;
+
+struct grpc_pollset_worker {
+ bool kicked;
+ bool initialized_cv;
+ pollset_worker_link links[POLLSET_WORKER_LINK_COUNT];
+ gpr_cv cv;
+ grpc_pollset *pollset;
+ pollable *pollable;
+};
+
+struct grpc_pollset {
+ pollable pollable;
+ pollable *current_pollable;
+ bool kicked_without_poller;
+ grpc_closure *shutdown_closure;
+ grpc_pollset_worker *root_worker;
+};
+
+/*******************************************************************************
+ * Pollset-set Declarations
+ */
+struct grpc_pollset_set {
+ polling_obj po;
+};
+
+/*******************************************************************************
+ * Common helpers
+ */
+
+static bool append_error(grpc_error **composite, grpc_error *error,
+ const char *desc) {
+ if (error == GRPC_ERROR_NONE) return true;
+ if (*composite == GRPC_ERROR_NONE) {
+ *composite = GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc);
+ }
+ *composite = grpc_error_add_child(*composite, error);
+ return false;
+}
+
+/*******************************************************************************
+ * Fd Definitions
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+
+/* The alarm system needs to be able to wakeup 'some poller' sometimes
+ * (specifically when a new alarm needs to be triggered earlier than the next
+ * alarm 'epoch'). This wakeup_fd gives us something to alert on when such a
+ * case occurs. */
+
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__)
+#define UNREF_BY(ec, fd, n, reason) \
+ unref_by(ec, fd, n, reason, __FILE__, __LINE__)
+static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+ int line) {
+ gpr_log(GPR_DEBUG, "FD %d %p ref %d %ld -> %ld [%s; %s:%d]", fd->fd,
+ (void *)fd, n, gpr_atm_no_barrier_load(&fd->refst),
+ gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line);
+#else
+#define REF_BY(fd, n, reason) ref_by(fd, n)
+#define UNREF_BY(ec, fd, n, reason) unref_by(ec, fd, n)
+static void ref_by(grpc_fd *fd, int n) {
+#endif
+ GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
+}
+
+static void fd_destroy(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
+ grpc_fd *fd = arg;
+ /* Add the fd to the freelist */
+ grpc_iomgr_unregister_object(&fd->iomgr_object);
+ pollable_destroy(&fd->pollable);
+ gpr_mu_destroy(&fd->orphaned_mu);
+ gpr_mu_lock(&fd_freelist_mu);
+ fd->freelist_next = fd_freelist;
+ fd_freelist = fd;
+
+ grpc_lfev_destroy(&fd->read_closure);
+ grpc_lfev_destroy(&fd->write_closure);
+
+ gpr_mu_unlock(&fd_freelist_mu);
+}
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void unref_by(grpc_exec_ctx *exec_ctx, grpc_fd *fd, int n,
+ const char *reason, const char *file, int line) {
+ gpr_atm old;
+ gpr_log(GPR_DEBUG, "FD %d %p unref %d %ld -> %ld [%s; %s:%d]", fd->fd,
+ (void *)fd, n, gpr_atm_no_barrier_load(&fd->refst),
+ gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line);
+#else
+static void unref_by(grpc_exec_ctx *exec_ctx, grpc_fd *fd, int n) {
+ gpr_atm old;
+#endif
+ old = gpr_atm_full_fetch_add(&fd->refst, -n);
+ if (old == n) {
+ grpc_closure_sched(exec_ctx, grpc_closure_create(fd_destroy, fd,
+ grpc_schedule_on_exec_ctx),
+ GRPC_ERROR_NONE);
+ } else {
+ GPR_ASSERT(old > n);
+ }
+}
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+ gpr_mu_lock(&fd_freelist_mu);
+ gpr_mu_unlock(&fd_freelist_mu);
+ while (fd_freelist != NULL) {
+ grpc_fd *fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ gpr_free(fd);
+ }
+ gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+ grpc_fd *new_fd = NULL;
+
+ gpr_mu_lock(&fd_freelist_mu);
+ if (fd_freelist != NULL) {
+ new_fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ }
+ gpr_mu_unlock(&fd_freelist_mu);
+
+ if (new_fd == NULL) {
+ new_fd = gpr_malloc(sizeof(grpc_fd));
+ }
+
+ pollable_init(&new_fd->pollable, PO_FD);
+
+ gpr_atm_rel_store(&new_fd->refst, (gpr_atm)1);
+ new_fd->fd = fd;
+ gpr_mu_init(&new_fd->orphaned_mu);
+ new_fd->orphaned = false;
+ grpc_lfev_init(&new_fd->read_closure);
+ grpc_lfev_init(&new_fd->write_closure);
+ gpr_atm_no_barrier_store(&new_fd->read_notifier_pollset, (gpr_atm)NULL);
+
+ GRPC_LOG_IF_ERROR("fd_create",
+ grpc_wakeup_fd_init(&new_fd->workqueue_wakeup_fd));
+ new_fd->workqueue_scheduler.vtable = &workqueue_scheduler_vtable;
+ new_fd->workqueue_read_mu = GPR_SPINLOCK_INITIALIZER;
+ gpr_mpscq_init(&new_fd->workqueue_items);
+ gpr_atm_no_barrier_store(&new_fd->workqueue_item_count, 0);
+
+ new_fd->freelist_next = NULL;
+ new_fd->on_done_closure = NULL;
+
+ char *fd_name;
+ gpr_asprintf(&fd_name, "%s fd=%d", name, fd);
+ grpc_iomgr_register_object(&new_fd->iomgr_object, fd_name);
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+ gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, (void *)new_fd, fd_name);
+#endif
+ gpr_free(fd_name);
+ return new_fd;
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) {
+ int ret_fd = -1;
+ gpr_mu_lock(&fd->orphaned_mu);
+ if (!fd->orphaned) {
+ ret_fd = fd->fd;
+ }
+ gpr_mu_unlock(&fd->orphaned_mu);
+
+ return ret_fd;
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *on_done, int *release_fd,
+ const char *reason) {
+ bool is_fd_closed = false;
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ gpr_mu_lock(&fd->pollable.po.mu);
+ gpr_mu_lock(&fd->orphaned_mu);
+ fd->on_done_closure = on_done;
+
+ /* If release_fd is not NULL, we should be relinquishing control of the file
+ descriptor fd->fd (but we still own the grpc_fd structure). */
+ if (release_fd != NULL) {
+ *release_fd = fd->fd;
+ } else {
+ close(fd->fd);
+ is_fd_closed = true;
+ }
+
+ fd->orphaned = true;
+
+ if (!is_fd_closed) {
+ gpr_log(GPR_DEBUG, "TODO: handle fd removal?");
+ }
+
+ /* Remove the active status but keep referenced. We want this grpc_fd struct
+ to be alive (and not added to freelist) until the end of this function */
+ REF_BY(fd, 1, reason);
+
+ grpc_closure_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_REF(error));
+
+ gpr_mu_unlock(&fd->orphaned_mu);
+ gpr_mu_unlock(&fd->pollable.po.mu);
+ UNREF_BY(exec_ctx, fd, 2, reason); /* Drop the reference */
+ GRPC_LOG_IF_ERROR("fd_orphan", GRPC_ERROR_REF(error));
+ GRPC_ERROR_UNREF(error);
+}
+
+static grpc_pollset *fd_get_read_notifier_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_fd *fd) {
+ gpr_atm notifier = gpr_atm_acq_load(&fd->read_notifier_pollset);
+ return (grpc_pollset *)notifier;
+}
+
+static bool fd_is_shutdown(grpc_fd *fd) {
+ return grpc_lfev_is_shutdown(&fd->read_closure);
+}
+
+/* Might be called multiple times */
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_error *why) {
+ if (grpc_lfev_set_shutdown(exec_ctx, &fd->read_closure,
+ GRPC_ERROR_REF(why))) {
+ shutdown(fd->fd, SHUT_RDWR);
+ grpc_lfev_set_shutdown(exec_ctx, &fd->write_closure, GRPC_ERROR_REF(why));
+ }
+ GRPC_ERROR_UNREF(why);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->read_closure, closure);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->write_closure, closure);
+}
+
+static grpc_workqueue *fd_get_workqueue(grpc_fd *fd) {
+ REF_BY(fd, 2, "return_workqueue");
+ return (grpc_workqueue *)fd;
+}
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue,
+ const char *file, int line,
+ const char *reason) {
+ if (workqueue != NULL) {
+ ref_by((grpc_fd *)workqueue, 2, file, line, reason);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue,
+ const char *file, int line, const char *reason) {
+ if (workqueue != NULL) {
+ unref_by(exec_ctx, (grpc_fd *)workqueue, 2, file, line, reason);
+ }
+}
+#else
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ ref_by((grpc_fd *)workqueue, 2);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx,
+ grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ unref_by(exec_ctx, (grpc_fd *)workqueue, 2);
+ }
+}
+#endif
+
+static void workqueue_wakeup(grpc_fd *fd) {
+ GRPC_LOG_IF_ERROR("workqueue_enqueue",
+ grpc_wakeup_fd_wakeup(&fd->workqueue_wakeup_fd));
+}
+
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error) {
+ GPR_TIMER_BEGIN("workqueue.enqueue", 0);
+ grpc_fd *fd = (grpc_fd *)(((char *)closure->scheduler) -
+ offsetof(grpc_fd, workqueue_scheduler));
+ REF_BY(fd, 2, "workqueue_enqueue");
+ gpr_atm last = gpr_atm_no_barrier_fetch_add(&fd->workqueue_item_count, 1);
+ closure->error_data.error = error;
+ gpr_mpscq_push(&fd->workqueue_items, &closure->next_data.atm_next);
+ if (last == 0) {
+ workqueue_wakeup(fd);
+ }
+ UNREF_BY(exec_ctx, fd, 2, "workqueue_enqueue");
+}
+
+static void fd_invoke_workqueue(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ /* handle spurious wakeups */
+ if (!gpr_spinlock_trylock(&fd->workqueue_read_mu)) return;
+ gpr_mpscq_node *n = gpr_mpscq_pop(&fd->workqueue_items);
+ gpr_spinlock_unlock(&fd->workqueue_read_mu);
+ if (n != NULL) {
+ if (gpr_atm_full_fetch_add(&fd->workqueue_item_count, -1) > 1) {
+ workqueue_wakeup(fd);
+ }
+ grpc_closure *c = (grpc_closure *)n;
+ grpc_error *error = c->error_data.error;
+#ifndef NDEBUG
+ c->scheduled = false;
+#endif
+ c->cb(exec_ctx, c->cb_arg, error);
+ GRPC_ERROR_UNREF(error);
+ } else if (gpr_atm_no_barrier_load(&fd->workqueue_item_count) > 0) {
+ /* n == NULL might mean there's work but it's not available to be popped
+ * yet - try to ensure another workqueue wakes up to check shortly if so
+ */
+ workqueue_wakeup(fd);
+ }
+}
+
+static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) {
+ return &((grpc_fd *)workqueue)->workqueue_scheduler;
+}
+
+/*******************************************************************************
+ * Pollable Definitions
+ */
+
+static void pollable_init(pollable *p, polling_obj_type type) {
+ po_init(&p->po, type);
+ p->root_worker = NULL;
+ p->epfd = -1;
+}
+
+static void pollable_destroy(pollable *p) {
+ po_destroy(&p->po);
+ if (p->epfd != -1) {
+ close(p->epfd);
+ grpc_wakeup_fd_destroy(&p->wakeup);
+ }
+}
+
+/* ensure that p->epfd, p->wakeup are initialized; p->po.mu must be held */
+static grpc_error *pollable_materialize(pollable *p) {
+ if (p->epfd == -1) {
+ int new_epfd = epoll_create1(EPOLL_CLOEXEC);
+ if (new_epfd < 0) {
+ return GRPC_OS_ERROR(errno, "epoll_create1");
+ }
+ grpc_error *err = grpc_wakeup_fd_init(&p->wakeup);
+ if (err != GRPC_ERROR_NONE) {
+ close(new_epfd);
+ return err;
+ }
+ struct epoll_event ev = {.events = (uint32_t)(EPOLLIN | EPOLLET),
+ .data.ptr = &p->wakeup};
+ if (epoll_ctl(new_epfd, EPOLL_CTL_ADD, p->wakeup.read_fd, &ev) != 0) {
+ err = GRPC_OS_ERROR(errno, "epoll_ctl");
+ close(new_epfd);
+ grpc_wakeup_fd_destroy(&p->wakeup);
+ return err;
+ }
+
+ p->epfd = new_epfd;
+ }
+ return GRPC_ERROR_NONE;
+}
+
+/* pollable must be materialized */
+static grpc_error *pollable_add_fd(pollable *p, grpc_fd *fd) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "pollable_add_fd";
+ const int epfd = p->epfd;
+ GPR_ASSERT(epfd != -1);
+
+ gpr_mu_lock(&fd->orphaned_mu);
+ if (fd->orphaned) {
+ gpr_mu_unlock(&fd->orphaned_mu);
+ return GRPC_ERROR_NONE;
+ }
+ struct epoll_event ev_fd = {
+ .events = (uint32_t)(EPOLLET | EPOLLIN | EPOLLOUT | EPOLLEXCLUSIVE),
+ .data.ptr = fd};
+ if (epoll_ctl(epfd, EPOLL_CTL_ADD, fd->fd, &ev_fd) != 0) {
+ switch (errno) {
+ case EEXIST: /* if this fd is already in the epoll set, the workqueue fd
+ must also be - just return */
+ gpr_mu_unlock(&fd->orphaned_mu);
+ return GRPC_ERROR_NONE;
+ default:
+ append_error(&error, GRPC_OS_ERROR(errno, "epoll_ctl"), err_desc);
+ }
+ }
+ struct epoll_event ev_wq = {
+ .events = (uint32_t)(EPOLLET | EPOLLIN | EPOLLEXCLUSIVE),
+ .data.ptr = (void *)(1 + (intptr_t)fd)};
+ if (epoll_ctl(epfd, EPOLL_CTL_ADD, fd->workqueue_wakeup_fd.read_fd, &ev_wq) !=
+ 0) {
+ switch (errno) {
+ case EEXIST: /* if the workqueue fd is already in the epoll set we're ok
+ - no need to do anything special */
+ break;
+ default:
+ append_error(&error, GRPC_OS_ERROR(errno, "epoll_ctl"), err_desc);
+ }
+ }
+ gpr_mu_unlock(&fd->orphaned_mu);
+
+ return error;
+}
+
+/*******************************************************************************
+ * Pollset Definitions
+ */
+
+GPR_TLS_DECL(g_current_thread_pollset);
+GPR_TLS_DECL(g_current_thread_worker);
+
+/* Global state management */
+static grpc_error *pollset_global_init(void) {
+ gpr_tls_init(&g_current_thread_pollset);
+ gpr_tls_init(&g_current_thread_worker);
+ pollable_init(&g_empty_pollable, PO_EMPTY_POLLABLE);
+ return GRPC_ERROR_NONE;
+}
+
+static void pollset_global_shutdown(void) {
+ pollable_destroy(&g_empty_pollable);
+ gpr_tls_destroy(&g_current_thread_pollset);
+ gpr_tls_destroy(&g_current_thread_worker);
+}
+
+static grpc_error *pollset_kick_all(grpc_pollset *pollset) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ if (pollset->root_worker != NULL) {
+ grpc_pollset_worker *worker = pollset->root_worker;
+ do {
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_lock(&worker->pollable->po.mu);
+ }
+ if (worker->initialized_cv) {
+ worker->kicked = true;
+ gpr_cv_signal(&worker->cv);
+ } else {
+ append_error(&error, grpc_wakeup_fd_wakeup(&worker->pollable->wakeup),
+ "pollset_shutdown");
+ }
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker->pollable->po.mu);
+ }
+
+ worker = worker->links[PWL_POLLSET].next;
+ } while (worker != pollset->root_worker);
+ }
+ return error;
+}
+
+static grpc_error *pollset_kick_inner(grpc_pollset *pollset, pollable *p,
+ grpc_pollset_worker *specific_worker) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG,
+ "PS:%p kick %p tls_pollset=%p tls_worker=%p "
+ "root_worker=(pollset:%p pollable:%p)",
+ p, specific_worker, (void *)gpr_tls_get(&g_current_thread_pollset),
+ (void *)gpr_tls_get(&g_current_thread_worker), pollset->root_worker,
+ p->root_worker);
+ }
+ if (specific_worker == NULL) {
+ if (gpr_tls_get(&g_current_thread_pollset) != (intptr_t)pollset) {
+ if (pollset->root_worker == NULL) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_any_without_poller", p);
+ }
+ pollset->kicked_without_poller = true;
+ return GRPC_ERROR_NONE;
+ } else {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_any_via_wakeup_fd", p);
+ }
+ grpc_error *err = pollable_materialize(p);
+ if (err != GRPC_ERROR_NONE) return err;
+ return grpc_wakeup_fd_wakeup(&p->wakeup);
+ }
+ } else {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_any_but_awake", p);
+ }
+ return GRPC_ERROR_NONE;
+ }
+ } else if (specific_worker->kicked) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_but_already_kicked", p);
+ }
+ return GRPC_ERROR_NONE;
+ } else if (gpr_tls_get(&g_current_thread_worker) ==
+ (intptr_t)specific_worker) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_but_awake", p);
+ }
+ specific_worker->kicked = true;
+ return GRPC_ERROR_NONE;
+ } else if (specific_worker == p->root_worker) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_via_wakeup_fd", p);
+ }
+ grpc_error *err = pollable_materialize(p);
+ if (err != GRPC_ERROR_NONE) return err;
+ specific_worker->kicked = true;
+ return grpc_wakeup_fd_wakeup(&p->wakeup);
+ } else {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_via_cv", p);
+ }
+ specific_worker->kicked = true;
+ gpr_cv_signal(&specific_worker->cv);
+ return GRPC_ERROR_NONE;
+ }
+}
+
+/* p->po.mu must be held before calling this function */
+static grpc_error *pollset_kick(grpc_pollset *pollset,
+ grpc_pollset_worker *specific_worker) {
+ pollable *p = pollset->current_pollable;
+ if (p != &pollset->pollable) {
+ gpr_mu_lock(&p->po.mu);
+ }
+ grpc_error *error = pollset_kick_inner(pollset, p, specific_worker);
+ if (p != &pollset->pollable) {
+ gpr_mu_unlock(&p->po.mu);
+ }
+ return error;
+}
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+ pollable_init(&pollset->pollable, PO_POLLSET);
+ pollset->current_pollable = &g_empty_pollable;
+ pollset->kicked_without_poller = false;
+ pollset->shutdown_closure = NULL;
+ pollset->root_worker = NULL;
+ *mu = &pollset->pollable.po.mu;
+}
+
+/* Convert a timespec to milliseconds:
+ - Very small or negative poll times are clamped to zero to do a non-blocking
+ poll (which becomes spin polling)
+ - Other small values are rounded up to one millisecond
+ - Longer than a millisecond polls are rounded up to the next nearest
+ millisecond to avoid spinning
+ - Infinite timeouts are converted to -1 */
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+ gpr_timespec now) {
+ gpr_timespec timeout;
+ if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
+ return -1;
+ }
+
+ if (gpr_time_cmp(deadline, now) <= 0) {
+ return 0;
+ }
+
+ static const gpr_timespec round_up = {
+ .clock_type = GPR_TIMESPAN, .tv_sec = 0, .tv_nsec = GPR_NS_PER_MS - 1};
+ timeout = gpr_time_sub(deadline, now);
+ int millis = gpr_time_to_millis(gpr_time_add(timeout, round_up));
+ return millis >= 1 ? millis : 1;
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_pollset *notifier) {
+ grpc_lfev_set_ready(exec_ctx, &fd->read_closure);
+
+ /* Note, it is possible that fd_become_readable might be called twice with
+ different 'notifier's when an fd becomes readable and it is in two epoll
+ sets (This can happen briefly during polling island merges). In such cases
+ it does not really matter which notifer is set as the read_notifier_pollset
+ (They would both point to the same polling island anyway) */
+ /* Use release store to match with acquire load in fd_get_read_notifier */
+ gpr_atm_rel_store(&fd->read_notifier_pollset, (gpr_atm)notifier);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ grpc_lfev_set_ready(exec_ctx, &fd->write_closure);
+}
+
+static grpc_error *fd_become_pollable_locked(grpc_fd *fd) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "fd_become_pollable";
+ if (append_error(&error, pollable_materialize(&fd->pollable), err_desc)) {
+ append_error(&error, pollable_add_fd(&fd->pollable, fd), err_desc);
+ }
+ return error;
+}
+
+static void pollset_maybe_finish_shutdown(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
+ if (pollset->shutdown_closure != NULL && pollset->root_worker == NULL) {
+ grpc_closure_sched(exec_ctx, pollset->shutdown_closure, GRPC_ERROR_NONE);
+ pollset->shutdown_closure = NULL;
+ }
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this */
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_closure *closure) {
+ GPR_ASSERT(pollset->shutdown_closure == NULL);
+ pollset->shutdown_closure = closure;
+ GRPC_LOG_IF_ERROR("pollset_shutdown", pollset_kick_all(pollset));
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+}
+
+static bool pollset_is_pollable_fd(grpc_pollset *pollset, pollable *p) {
+ return p != &g_empty_pollable && p != &pollset->pollable;
+}
+
+/* pollset_shutdown is guaranteed to be called before pollset_destroy. */
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ pollable_destroy(&pollset->pollable);
+ if (pollset_is_pollable_fd(pollset, pollset->current_pollable)) {
+ UNREF_BY(exec_ctx, (grpc_fd *)pollset->current_pollable, 2,
+ "pollset_pollable");
+ }
+}
+
+#define MAX_EPOLL_EVENTS 100
+
+static grpc_error *pollset_epoll(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ pollable *p, gpr_timespec now,
+ gpr_timespec deadline) {
+ struct epoll_event events[MAX_EPOLL_EVENTS];
+ static const char *err_desc = "pollset_poll";
+
+ int timeout = poll_deadline_to_millis_timeout(deadline, now);
+
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p poll %p for %dms", pollset, p, timeout);
+ }
+
+ if (timeout != 0) {
+ GRPC_SCHEDULING_START_BLOCKING_REGION;
+ }
+ int r;
+ do {
+ r = epoll_wait(p->epfd, events, MAX_EPOLL_EVENTS, timeout);
+ } while (r < 0 && errno == EINTR);
+ if (timeout != 0) {
+ GRPC_SCHEDULING_END_BLOCKING_REGION;
+ }
+
+ if (r < 0) return GRPC_OS_ERROR(errno, "epoll_wait");
+
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p poll %p got %d events", pollset, p, r);
+ }
+
+ grpc_error *error = GRPC_ERROR_NONE;
+ for (int i = 0; i < r; i++) {
+ void *data_ptr = events[i].data.ptr;
+ if (data_ptr == &p->wakeup) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p poll %p got pollset_wakeup", pollset, p);
+ }
+ append_error(&error, grpc_wakeup_fd_consume_wakeup(&p->wakeup), err_desc);
+ } else {
+ grpc_fd *fd = (grpc_fd *)(((intptr_t)data_ptr) & ~(intptr_t)1);
+ bool is_workqueue = (((intptr_t)data_ptr) & 1) != 0;
+ bool cancel = (events[i].events & (EPOLLERR | EPOLLHUP)) != 0;
+ bool read_ev = (events[i].events & (EPOLLIN | EPOLLPRI)) != 0;
+ bool write_ev = (events[i].events & EPOLLOUT) != 0;
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG,
+ "PS:%p poll %p got fd %p: is_wq=%d cancel=%d read=%d "
+ "write=%d",
+ pollset, p, fd, is_workqueue, cancel, read_ev, write_ev);
+ }
+ if (is_workqueue) {
+ append_error(&error,
+ grpc_wakeup_fd_consume_wakeup(&fd->workqueue_wakeup_fd),
+ err_desc);
+ fd_invoke_workqueue(exec_ctx, fd);
+ } else {
+ if (read_ev || cancel) {
+ fd_become_readable(exec_ctx, fd, pollset);
+ }
+ if (write_ev || cancel) {
+ fd_become_writable(exec_ctx, fd);
+ }
+ }
+ }
+ }
+
+ return error;
+}
+
+/* Return true if first in list */
+static bool worker_insert(grpc_pollset_worker **root, pollset_worker_links link,
+ grpc_pollset_worker *worker) {
+ if (*root == NULL) {
+ *root = worker;
+ worker->links[link].next = worker->links[link].prev = worker;
+ return true;
+ } else {
+ worker->links[link].next = *root;
+ worker->links[link].prev = worker->links[link].next->links[link].prev;
+ worker->links[link].next->links[link].prev = worker;
+ worker->links[link].prev->links[link].next = worker;
+ return false;
+ }
+}
+
+/* Return true if last in list */
+typedef enum { EMPTIED, NEW_ROOT, REMOVED } worker_remove_result;
+
+static worker_remove_result worker_remove(grpc_pollset_worker **root,
+ pollset_worker_links link,
+ grpc_pollset_worker *worker) {
+ if (worker == *root) {
+ if (worker == worker->links[link].next) {
+ *root = NULL;
+ return EMPTIED;
+ } else {
+ *root = worker->links[link].next;
+ worker->links[link].prev->links[link].next = worker->links[link].next;
+ worker->links[link].next->links[link].prev = worker->links[link].prev;
+ return NEW_ROOT;
+ }
+ } else {
+ worker->links[link].prev->links[link].next = worker->links[link].next;
+ worker->links[link].next->links[link].prev = worker->links[link].prev;
+ return REMOVED;
+ }
+}
+
+/* Return true if this thread should poll */
+static bool begin_worker(grpc_pollset *pollset, grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl, gpr_timespec *now,
+ gpr_timespec deadline) {
+ bool do_poll = true;
+ if (worker_hdl != NULL) *worker_hdl = worker;
+ worker->initialized_cv = false;
+ worker->kicked = false;
+ worker->pollset = pollset;
+ worker->pollable = pollset->current_pollable;
+
+ if (pollset_is_pollable_fd(pollset, worker->pollable)) {
+ REF_BY((grpc_fd *)worker->pollable, 2, "one_poll");
+ }
+
+ worker_insert(&pollset->root_worker, PWL_POLLSET, worker);
+ if (!worker_insert(&worker->pollable->root_worker, PWL_POLLABLE, worker)) {
+ worker->initialized_cv = true;
+ gpr_cv_init(&worker->cv);
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_unlock(&pollset->pollable.po.mu);
+ }
+ if (GRPC_TRACER_ON(grpc_polling_trace) && worker->pollable->root_worker != worker) {
+ gpr_log(GPR_DEBUG, "PS:%p wait %p w=%p for %dms", pollset,
+ worker->pollable, worker,
+ poll_deadline_to_millis_timeout(deadline, *now));
+ }
+ while (do_poll && worker->pollable->root_worker != worker) {
+ if (gpr_cv_wait(&worker->cv, &worker->pollable->po.mu, deadline)) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p timeout_wait %p w=%p", pollset,
+ worker->pollable, worker);
+ }
+ do_poll = false;
+ } else if (worker->kicked) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p wakeup %p w=%p", pollset, worker->pollable,
+ worker);
+ }
+ do_poll = false;
+ } else if (GRPC_TRACER_ON(grpc_polling_trace) &&
+ worker->pollable->root_worker != worker) {
+ gpr_log(GPR_DEBUG, "PS:%p spurious_wakeup %p w=%p", pollset,
+ worker->pollable, worker);
+ }
+ }
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker->pollable->po.mu);
+ gpr_mu_lock(&pollset->pollable.po.mu);
+ gpr_mu_lock(&worker->pollable->po.mu);
+ }
+ *now = gpr_now(now->clock_type);
+ }
+
+ return do_poll && pollset->shutdown_closure == NULL &&
+ pollset->current_pollable == worker->pollable;
+}
+
+static void end_worker(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl) {
+ if (NEW_ROOT ==
+ worker_remove(&worker->pollable->root_worker, PWL_POLLABLE, worker)) {
+ gpr_cv_signal(&worker->pollable->root_worker->cv);
+ }
+ if (worker->initialized_cv) {
+ gpr_cv_destroy(&worker->cv);
+ }
+ if (pollset_is_pollable_fd(pollset, worker->pollable)) {
+ UNREF_BY(exec_ctx, (grpc_fd *)worker->pollable, 2, "one_poll");
+ }
+ if (EMPTIED == worker_remove(&pollset->root_worker, PWL_POLLSET, worker)) {
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+ }
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this.
+ The function pollset_work() may temporarily release the lock (pollset->po.mu)
+ during the course of its execution but it will always re-acquire the lock and
+ ensure that it is held by the time the function returns */
+static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker **worker_hdl,
+ gpr_timespec now, gpr_timespec deadline) {
+ grpc_pollset_worker worker;
+ if (0 && GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p work hdl=%p worker=%p now=%" PRId64
+ ".%09d deadline=%" PRId64 ".%09d kwp=%d root_worker=%p",
+ pollset, worker_hdl, &worker, now.tv_sec, now.tv_nsec,
+ deadline.tv_sec, deadline.tv_nsec, pollset->kicked_without_poller,
+ pollset->root_worker);
+ }
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "pollset_work";
+ if (pollset->kicked_without_poller) {
+ pollset->kicked_without_poller = false;
+ return GRPC_ERROR_NONE;
+ }
+ if (pollset->current_pollable != &pollset->pollable) {
+ gpr_mu_lock(&pollset->current_pollable->po.mu);
+ }
+ if (begin_worker(pollset, &worker, worker_hdl, &now, deadline)) {
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)pollset);
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+ GPR_ASSERT(!pollset->shutdown_closure);
+ append_error(&error, pollable_materialize(worker.pollable), err_desc);
+ if (worker.pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker.pollable->po.mu);
+ }
+ gpr_mu_unlock(&pollset->pollable.po.mu);
+ append_error(&error, pollset_epoll(exec_ctx, pollset, worker.pollable, now,
+ deadline),
+ err_desc);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->pollable.po.mu);
+ if (worker.pollable != &pollset->pollable) {
+ gpr_mu_lock(&worker.pollable->po.mu);
+ }
+ gpr_tls_set(&g_current_thread_pollset, 0);
+ gpr_tls_set(&g_current_thread_worker, 0);
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+ }
+ end_worker(exec_ctx, pollset, &worker, worker_hdl);
+ if (worker.pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker.pollable->po.mu);
+ }
+ return error;
+}
+
+static void unref_fd_no_longer_poller(grpc_exec_ctx *exec_ctx, void *arg,
+ grpc_error *error) {
+ grpc_fd *fd = arg;
+ UNREF_BY(exec_ctx, fd, 2, "pollset_pollable");
+}
+
+/* expects pollsets locked, flag whether fd is locked or not */
+static grpc_error *pollset_add_fd_locked(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset, grpc_fd *fd,
+ bool fd_locked) {
+ static const char *err_desc = "pollset_add_fd";
+ grpc_error *error = GRPC_ERROR_NONE;
+ if (pollset->current_pollable == &g_empty_pollable) {
+ /* empty pollable --> single fd pollable */
+ append_error(&error, pollset_kick_all(pollset), err_desc);
+ pollset->current_pollable = &fd->pollable;
+ if (!fd_locked) gpr_mu_lock(&fd->pollable.po.mu);
+ append_error(&error, fd_become_pollable_locked(fd), err_desc);
+ if (!fd_locked) gpr_mu_unlock(&fd->pollable.po.mu);
+ REF_BY(fd, 2, "pollset_pollable");
+ } else if (pollset->current_pollable == &pollset->pollable) {
+ append_error(&error, pollable_add_fd(pollset->current_pollable, fd),
+ err_desc);
+ } else if (pollset->current_pollable != &fd->pollable) {
+ grpc_fd *had_fd = (grpc_fd *)pollset->current_pollable;
+ pollset->current_pollable = &pollset->pollable;
+ if (append_error(&error, pollable_materialize(&pollset->pollable),
+ err_desc)) {
+ pollable_add_fd(&pollset->pollable, had_fd);
+ pollable_add_fd(&pollset->pollable, fd);
+ }
+ grpc_closure_sched(exec_ctx,
+ grpc_closure_create(unref_fd_no_longer_poller, had_fd,
+ grpc_schedule_on_exec_ctx),
+ GRPC_ERROR_NONE);
+ }
+ return error;
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_fd *fd) {
+ gpr_mu_lock(&pollset->pollable.po.mu);
+ grpc_error *error = pollset_add_fd_locked(exec_ctx, pollset, fd, false);
+ gpr_mu_unlock(&pollset->pollable.po.mu);
+ GRPC_LOG_IF_ERROR("pollset_add_fd", error);
+}
+
+/*******************************************************************************
+ * Pollset-set Definitions
+ */
+
+static grpc_pollset_set *pollset_set_create(void) {
+ grpc_pollset_set *pss = gpr_zalloc(sizeof(*pss));
+ po_init(&pss->po, PO_POLLSET_SET);
+ return pss;
+}
+
+static void pollset_set_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss) {
+ po_destroy(&pss->po);
+ gpr_free(pss);
+}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {
+ po_join(exec_ctx, &pss->po, &fd->pollable.po);
+}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {
+ po_join(exec_ctx, &pss->po, &ps->pollable.po);
+}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {
+ po_join(exec_ctx, &bag->po, &item->po);
+}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {}
+
+static void po_init(polling_obj *po, polling_obj_type type) {
+ gpr_mu_init(&po->mu);
+ po->type = type;
+ po->group = NULL;
+ po->next = po;
+ po->prev = po;
+}
+
+static polling_group *pg_lock_latest(polling_group *pg) {
+ /* assumes pg unlocked; consumes ref, returns ref */
+ gpr_mu_lock(&pg->po.mu);
+ while (pg->po.group != NULL) {
+ polling_group *new_pg = pg_ref(pg->po.group);
+ gpr_mu_unlock(&pg->po.mu);
+ pg_unref(pg);
+ pg = new_pg;
+ gpr_mu_lock(&pg->po.mu);
+ }
+ return pg;
+}
+
+static void po_destroy(polling_obj *po) {
+ if (po->group != NULL) {
+ polling_group *pg = pg_lock_latest(po->group);
+ po->prev->next = po->next;
+ po->next->prev = po->prev;
+ gpr_mu_unlock(&pg->po.mu);
+ pg_unref(pg);
+ }
+ gpr_mu_destroy(&po->mu);
+}
+
+static polling_group *pg_ref(polling_group *pg) {
+ gpr_ref(&pg->refs);
+ return pg;
+}
+
+static void pg_unref(polling_group *pg) {
+ if (gpr_unref(&pg->refs)) {
+ po_destroy(&pg->po);
+ gpr_free(pg);
+ }
+}
+
+static int po_cmp(polling_obj *a, polling_obj *b) {
+ if (a == b) return 0;
+ if (a->type < b->type) return -1;
+ if (a->type > b->type) return 1;
+ if (a < b) return -1;
+ assert(a > b);
+ return 1;
+}
+
+static void po_join(grpc_exec_ctx *exec_ctx, polling_obj *a, polling_obj *b) {
+ switch (po_cmp(a, b)) {
+ case 0:
+ return;
+ case 1:
+ GPR_SWAP(polling_obj *, a, b);
+ /* fall through */
+ case -1:
+ gpr_mu_lock(&a->mu);
+ gpr_mu_lock(&b->mu);
+
+ if (a->group == NULL) {
+ if (b->group == NULL) {
+ polling_obj *initial_po[] = {a, b};
+ pg_create(exec_ctx, initial_po, GPR_ARRAY_SIZE(initial_po));
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ } else {
+ polling_group *b_group = pg_ref(b->group);
+ gpr_mu_unlock(&b->mu);
+ gpr_mu_unlock(&a->mu);
+ pg_join(exec_ctx, b_group, a);
+ }
+ } else if (b->group == NULL) {
+ polling_group *a_group = pg_ref(a->group);
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ pg_join(exec_ctx, a_group, b);
+ } else if (a->group == b->group) {
+ /* nothing to do */
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ } else {
+ polling_group *a_group = pg_ref(a->group);
+ polling_group *b_group = pg_ref(b->group);
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ pg_merge(exec_ctx, a_group, b_group);
+ }
+ }
+}
+
+static void pg_notify(grpc_exec_ctx *exec_ctx, polling_obj *a, polling_obj *b) {
+ if (a->type == PO_FD && b->type == PO_POLLSET) {
+ pollset_add_fd_locked(exec_ctx, (grpc_pollset *)b, (grpc_fd *)a, true);
+ } else if (a->type == PO_POLLSET && b->type == PO_FD) {
+ pollset_add_fd_locked(exec_ctx, (grpc_pollset *)a, (grpc_fd *)b, true);
+ }
+}
+
+static void pg_broadcast(grpc_exec_ctx *exec_ctx, polling_group *from,
+ polling_group *to) {
+ for (polling_obj *a = from->po.next; a != &from->po; a = a->next) {
+ for (polling_obj *b = to->po.next; b != &to->po; b = b->next) {
+ if (po_cmp(a, b) < 0) {
+ gpr_mu_lock(&a->mu);
+ gpr_mu_lock(&b->mu);
+ } else {
+ GPR_ASSERT(po_cmp(a, b) != 0);
+ gpr_mu_lock(&b->mu);
+ gpr_mu_lock(&a->mu);
+ }
+ pg_notify(exec_ctx, a, b);
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ }
+ }
+}
+
+static void pg_create(grpc_exec_ctx *exec_ctx, polling_obj **initial_po,
+ size_t initial_po_count) {
+ /* assumes all polling objects in initial_po are locked */
+ polling_group *pg = gpr_malloc(sizeof(*pg));
+ po_init(&pg->po, PO_POLLING_GROUP);
+ gpr_ref_init(&pg->refs, (int)initial_po_count);
+ for (size_t i = 0; i < initial_po_count; i++) {
+ GPR_ASSERT(initial_po[i]->group == NULL);
+ initial_po[i]->group = pg;
+ }
+ for (size_t i = 1; i < initial_po_count; i++) {
+ initial_po[i]->prev = initial_po[i - 1];
+ }
+ for (size_t i = 0; i < initial_po_count - 1; i++) {
+ initial_po[i]->next = initial_po[i + 1];
+ }
+ initial_po[0]->prev = &pg->po;
+ initial_po[initial_po_count - 1]->next = &pg->po;
+ pg->po.next = initial_po[0];
+ pg->po.prev = initial_po[initial_po_count - 1];
+ for (size_t i = 1; i < initial_po_count; i++) {
+ for (size_t j = 0; j < i; j++) {
+ pg_notify(exec_ctx, initial_po[i], initial_po[j]);
+ }
+ }
+}
+
+static void pg_join(grpc_exec_ctx *exec_ctx, polling_group *pg,
+ polling_obj *po) {
+ /* assumes neither pg nor po are locked; consumes one ref to pg */
+ pg = pg_lock_latest(pg);
+ /* pg locked */
+ for (polling_obj *existing = pg->po.next /* skip pg - it's just a stub */;
+ existing != &pg->po; existing = existing->next) {
+ if (po_cmp(po, existing) < 0) {
+ gpr_mu_lock(&po->mu);
+ gpr_mu_lock(&existing->mu);
+ } else {
+ GPR_ASSERT(po_cmp(po, existing) != 0);
+ gpr_mu_lock(&existing->mu);
+ gpr_mu_lock(&po->mu);
+ }
+ /* pg, po, existing locked */
+ if (po->group != NULL) {
+ gpr_mu_unlock(&pg->po.mu);
+ polling_group *po_group = pg_ref(po->group);
+ gpr_mu_unlock(&po->mu);
+ gpr_mu_unlock(&existing->mu);
+ pg_merge(exec_ctx, pg, po_group);
+ /* early exit: polling obj picked up a group during joining: we needed
+ to do a full merge */
+ return;
+ }
+ pg_notify(exec_ctx, po, existing);
+ gpr_mu_unlock(&po->mu);
+ gpr_mu_unlock(&existing->mu);
+ }
+ gpr_mu_lock(&po->mu);
+ if (po->group != NULL) {
+ gpr_mu_unlock(&pg->po.mu);
+ polling_group *po_group = pg_ref(po->group);
+ gpr_mu_unlock(&po->mu);
+ pg_merge(exec_ctx, pg, po_group);
+ /* early exit: polling obj picked up a group during joining: we needed
+ to do a full merge */
+ return;
+ }
+ po->group = pg;
+ po->next = &pg->po;
+ po->prev = pg->po.prev;
+ po->prev->next = po->next->prev = po;
+ gpr_mu_unlock(&pg->po.mu);
+ gpr_mu_unlock(&po->mu);
+}
+
+static void pg_merge(grpc_exec_ctx *exec_ctx, polling_group *a,
+ polling_group *b) {
+ for (;;) {
+ if (a == b) {
+ pg_unref(a);
+ pg_unref(b);
+ return;
+ }
+ if (a > b) GPR_SWAP(polling_group *, a, b);
+ gpr_mu_lock(&a->po.mu);
+ gpr_mu_lock(&b->po.mu);
+ if (a->po.group != NULL) {
+ polling_group *m2 = pg_ref(a->po.group);
+ gpr_mu_unlock(&a->po.mu);
+ gpr_mu_unlock(&b->po.mu);
+ pg_unref(a);
+ a = m2;
+ } else if (b->po.group != NULL) {
+ polling_group *m2 = pg_ref(b->po.group);
+ gpr_mu_unlock(&a->po.mu);
+ gpr_mu_unlock(&b->po.mu);
+ pg_unref(b);
+ b = m2;
+ } else {
+ break;
+ }
+ }
+ polling_group **unref = NULL;
+ size_t unref_count = 0;
+ size_t unref_cap = 0;
+ b->po.group = a;
+ pg_broadcast(exec_ctx, a, b);
+ pg_broadcast(exec_ctx, b, a);
+ while (b->po.next != &b->po) {
+ polling_obj *po = b->po.next;
+ gpr_mu_lock(&po->mu);
+ if (unref_count == unref_cap) {
+ unref_cap = GPR_MAX(8, 3 * unref_cap / 2);
+ unref = gpr_realloc(unref, unref_cap * sizeof(*unref));
+ }
+ unref[unref_count++] = po->group;
+ po->group = pg_ref(a);
+ // unlink from b
+ po->prev->next = po->next;
+ po->next->prev = po->prev;
+ // link to a
+ po->next = &a->po;
+ po->prev = a->po.prev;
+ po->next->prev = po->prev->next = po;
+ gpr_mu_unlock(&po->mu);
+ }
+ gpr_mu_unlock(&a->po.mu);
+ gpr_mu_unlock(&b->po.mu);
+ for (size_t i = 0; i < unref_count; i++) {
+ pg_unref(unref[i]);
+ }
+ gpr_free(unref);
+ pg_unref(b);
+}
+
+/*******************************************************************************
+ * Event engine binding
+ */
+
+static void shutdown_engine(void) {
+ fd_global_shutdown();
+ pollset_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+ .pollset_size = sizeof(grpc_pollset),
+
+ .fd_create = fd_create,
+ .fd_wrapped_fd = fd_wrapped_fd,
+ .fd_orphan = fd_orphan,
+ .fd_shutdown = fd_shutdown,
+ .fd_is_shutdown = fd_is_shutdown,
+ .fd_notify_on_read = fd_notify_on_read,
+ .fd_notify_on_write = fd_notify_on_write,
+ .fd_get_read_notifier_pollset = fd_get_read_notifier_pollset,
+ .fd_get_workqueue = fd_get_workqueue,
+
+ .pollset_init = pollset_init,
+ .pollset_shutdown = pollset_shutdown,
+ .pollset_destroy = pollset_destroy,
+ .pollset_work = pollset_work,
+ .pollset_kick = pollset_kick,
+ .pollset_add_fd = pollset_add_fd,
+
+ .pollset_set_create = pollset_set_create,
+ .pollset_set_destroy = pollset_set_destroy,
+ .pollset_set_add_pollset = pollset_set_add_pollset,
+ .pollset_set_del_pollset = pollset_set_del_pollset,
+ .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+ .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+ .pollset_set_add_fd = pollset_set_add_fd,
+ .pollset_set_del_fd = pollset_set_del_fd,
+
+ .workqueue_ref = workqueue_ref,
+ .workqueue_unref = workqueue_unref,
+ .workqueue_scheduler = workqueue_scheduler,
+
+ .shutdown_engine = shutdown_engine,
+};
+
+const grpc_event_engine_vtable *grpc_init_epollex_linux(bool explicitly_requested) {
+ if (!grpc_has_wakeup_fd()) {
+ return NULL;
+ }
+
+ if (!grpc_is_epollexclusive_available()) {
+ return NULL;
+ }
+
+ fd_global_init();
+
+ if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
+ pollset_global_shutdown();
+ fd_global_shutdown();
+ return NULL;
+ }
+
+ return &vtable;
+}
+
+#else /* defined(GRPC_LINUX_EPOLL) */
+#if defined(GRPC_POSIX_SOCKET)
+#include "src/core/lib/iomgr/ev_posix.h"
+/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
+ * NULL */
+const grpc_event_engine_vtable *grpc_init_epollex_linux(bool explicitly_requested) { return NULL; }
+#endif /* defined(GRPC_POSIX_SOCKET) */
+
+#endif /* !defined(GRPC_LINUX_EPOLL) */
diff --git a/src/core/lib/iomgr/ev_epoll_linux.h b/src/core/lib/iomgr/ev_epollex_linux.h
similarity index 79%
copy from src/core/lib/iomgr/ev_epoll_linux.h
copy to src/core/lib/iomgr/ev_epollex_linux.h
index 8fc3ff5..a865c49 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.h
+++ b/src/core/lib/iomgr/ev_epollex_linux.h
@@ -31,18 +31,12 @@
*
*/
-#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
-#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLLEX_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLLEX_LINUX_H
#include "src/core/lib/iomgr/ev_posix.h"
#include "src/core/lib/iomgr/port.h"
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void);
+const grpc_event_engine_vtable *grpc_init_epollex_linux(bool explicitly_requested);
-#ifdef GRPC_LINUX_EPOLL
-void *grpc_fd_get_polling_island(grpc_fd *fd);
-void *grpc_pollset_get_polling_island(grpc_pollset *ps);
-bool grpc_are_polling_islands_equal(void *p, void *q);
-#endif /* defined(GRPC_LINUX_EPOLL) */
-
-#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLLEX_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epollsig_linux.c
similarity index 98%
rename from src/core/lib/iomgr/ev_epoll_linux.c
rename to src/core/lib/iomgr/ev_epollsig_linux.c
index 735c37b..d9ba77c 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.c
+++ b/src/core/lib/iomgr/ev_epollsig_linux.c
@@ -36,7 +36,7 @@
/* This polling engine is only relevant on linux kernels supporting epoll() */
#ifdef GRPC_LINUX_EPOLL
-#include "src/core/lib/iomgr/ev_epoll_linux.h"
+#include "src/core/lib/iomgr/ev_epollsig_linux.h"
#include <assert.h>
#include <errno.h>
@@ -63,10 +63,10 @@
#include "src/core/lib/profiling/timers.h"
#include "src/core/lib/support/block_annotate.h"
-/* TODO: sreek - Move this to init.c and initialize this like other tracers. */
-static int grpc_polling_trace = 0; /* Disabled by default */
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
#define GRPC_POLLING_TRACE(fmt, ...) \
- if (grpc_polling_trace) { \
+ if (GRPC_TRACER_ON(grpc_polling_trace)) { \
gpr_log(GPR_INFO, (fmt), __VA_ARGS__); \
}
@@ -1321,7 +1321,7 @@
/* pollset_shutdown is guaranteed to be called before pollset_destroy. So other
* than destroying the mutexes, there is nothing special that needs to be done
* here */
-static void pollset_destroy(grpc_pollset *pollset) {
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
GPR_ASSERT(!pollset_has_workers(pollset));
gpr_mu_destroy(&pollset->po.mu);
}
@@ -1904,7 +1904,8 @@
return true;
}
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void) {
+const grpc_event_engine_vtable *grpc_init_epollsig_linux(
+ bool explicit_request) {
/* If use of signals is disabled, we cannot use epoll engine*/
if (is_grpc_wakeup_signal_initialized && grpc_wakeup_signal < 0) {
return NULL;
@@ -1919,7 +1920,11 @@
}
if (!is_grpc_wakeup_signal_initialized) {
- grpc_use_signal(SIGRTMIN + 6);
+ if (explicit_request) {
+ grpc_use_signal(SIGRTMIN + 6);
+ } else {
+ return NULL;
+ }
}
fd_global_init();
@@ -1941,7 +1946,10 @@
#include "src/core/lib/iomgr/ev_posix.h"
/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
* NULL */
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void) { return NULL; }
+const grpc_event_engine_vtable *grpc_init_epollsig_linux(
+ bool explicit_request) {
+ return NULL;
+}
#endif /* defined(GRPC_POSIX_SOCKET) */
void grpc_use_signal(int signum) {}
diff --git a/src/core/lib/iomgr/ev_epoll_linux.h b/src/core/lib/iomgr/ev_epollsig_linux.h
similarity index 88%
rename from src/core/lib/iomgr/ev_epoll_linux.h
rename to src/core/lib/iomgr/ev_epollsig_linux.h
index 8fc3ff5..9e4034f 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.h
+++ b/src/core/lib/iomgr/ev_epollsig_linux.h
@@ -31,13 +31,13 @@
*
*/
-#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
-#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLLSIG_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLLSIG_LINUX_H
#include "src/core/lib/iomgr/ev_posix.h"
#include "src/core/lib/iomgr/port.h"
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void);
+const grpc_event_engine_vtable *grpc_init_epollsig_linux(bool explicit_request);
#ifdef GRPC_LINUX_EPOLL
void *grpc_fd_get_polling_island(grpc_fd *fd);
@@ -45,4 +45,4 @@
bool grpc_are_polling_islands_equal(void *p, void *q);
#endif /* defined(GRPC_LINUX_EPOLL) */
-#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLLSIG_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_poll_posix.c b/src/core/lib/iomgr/ev_poll_posix.c
index 3ef24be..3a7648a 100644
--- a/src/core/lib/iomgr/ev_poll_posix.c
+++ b/src/core/lib/iomgr/ev_poll_posix.c
@@ -58,6 +58,8 @@
#include "src/core/lib/profiling/timers.h"
#include "src/core/lib/support/block_annotate.h"
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
/*******************************************************************************
* FD declarations
*/
@@ -808,7 +810,7 @@
pollset->pollset_set_count = 0;
}
-static void pollset_destroy(grpc_pollset *pollset) {
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
GPR_ASSERT(!pollset_has_workers(pollset));
GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
while (pollset->local_wakeup_cache) {
@@ -1552,7 +1554,7 @@
.shutdown_engine = shutdown_engine,
};
-const grpc_event_engine_vtable *grpc_init_poll_posix(void) {
+const grpc_event_engine_vtable *grpc_init_poll_posix(bool explicit_request) {
if (!grpc_has_wakeup_fd()) {
return NULL;
}
@@ -1562,7 +1564,7 @@
return &vtable;
}
-const grpc_event_engine_vtable *grpc_init_poll_cv_posix(void) {
+const grpc_event_engine_vtable *grpc_init_poll_cv_posix(bool explicit_request) {
global_cv_fd_table_init();
grpc_enable_cv_wakeup_fds(1);
if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
diff --git a/src/core/lib/iomgr/ev_poll_posix.h b/src/core/lib/iomgr/ev_poll_posix.h
index 202ffca..2890e93 100644
--- a/src/core/lib/iomgr/ev_poll_posix.h
+++ b/src/core/lib/iomgr/ev_poll_posix.h
@@ -36,7 +36,7 @@
#include "src/core/lib/iomgr/ev_posix.h"
-const grpc_event_engine_vtable *grpc_init_poll_posix(void);
-const grpc_event_engine_vtable *grpc_init_poll_cv_posix(void);
+const grpc_event_engine_vtable *grpc_init_poll_posix(bool explicit_request);
+const grpc_event_engine_vtable *grpc_init_poll_cv_posix(bool explicit_request);
#endif /* GRPC_CORE_LIB_IOMGR_EV_POLL_POSIX_H */
diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c
index 41464c1..e3d53d6 100644
--- a/src/core/lib/iomgr/ev_posix.c
+++ b/src/core/lib/iomgr/ev_posix.c
@@ -44,10 +44,15 @@
#include <grpc/support/string_util.h>
#include <grpc/support/useful.h>
-#include "src/core/lib/iomgr/ev_epoll_linux.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_epollex_linux.h"
+#include "src/core/lib/iomgr/ev_epoll1_linux.h"
+#include "src/core/lib/iomgr/ev_epollsig_linux.h"
#include "src/core/lib/iomgr/ev_poll_posix.h"
#include "src/core/lib/support/env.h"
+grpc_tracer_flag grpc_polling_trace = GRPC_TRACER_INITIALIZER(false); /* Disabled by default */
+
/** Default poll() function - a pointer so that it can be overridden by some
* tests */
grpc_poll_function_type grpc_poll_function = poll;
@@ -57,7 +62,8 @@
static const grpc_event_engine_vtable *g_event_engine;
static const char *g_poll_strategy_name = NULL;
-typedef const grpc_event_engine_vtable *(*event_engine_factory_fn)(void);
+typedef const grpc_event_engine_vtable *(*event_engine_factory_fn)(
+ bool explicit_request);
typedef struct {
const char *name;
@@ -65,7 +71,9 @@
} event_engine_factory;
static const event_engine_factory g_factories[] = {
- {"epoll", grpc_init_epoll_linux},
+ {"epollex", grpc_init_epollex_linux},
+ {"epollsig", grpc_init_epollsig_linux},
+ {"epoll1", grpc_init_epoll1_linux},
{"poll", grpc_init_poll_posix},
{"poll-cv", grpc_init_poll_cv_posix},
};
@@ -102,7 +110,8 @@
static void try_engine(const char *engine) {
for (size_t i = 0; i < GPR_ARRAY_SIZE(g_factories); i++) {
if (is(engine, g_factories[i].name)) {
- if ((g_event_engine = g_factories[i].factory())) {
+ if ((g_event_engine = g_factories[i].factory(
+ 0 == strcmp(engine, g_factories[i].name)))) {
g_poll_strategy_name = g_factories[i].name;
gpr_log(GPR_DEBUG, "Using polling engine: %s", g_factories[i].name);
return;
@@ -121,6 +130,8 @@
const char *grpc_get_poll_strategy_name() { return g_poll_strategy_name; }
void grpc_event_engine_init(void) {
+ grpc_register_tracer("polling", &grpc_polling_trace);
+
char *s = gpr_getenv("GRPC_POLL_STRATEGY");
if (s == NULL) {
s = gpr_strdup("all");
@@ -197,8 +208,8 @@
g_event_engine->pollset_shutdown(exec_ctx, pollset, closure);
}
-void grpc_pollset_destroy(grpc_pollset *pollset) {
- g_event_engine->pollset_destroy(pollset);
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ g_event_engine->pollset_destroy(exec_ctx, pollset);
}
grpc_error *grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
diff --git a/src/core/lib/iomgr/ev_posix.h b/src/core/lib/iomgr/ev_posix.h
index a77720e..e013a6c 100644
--- a/src/core/lib/iomgr/ev_posix.h
+++ b/src/core/lib/iomgr/ev_posix.h
@@ -41,6 +41,9 @@
#include "src/core/lib/iomgr/pollset_set.h"
#include "src/core/lib/iomgr/wakeup_fd_posix.h"
#include "src/core/lib/iomgr/workqueue.h"
+#include "src/core/lib/debug/trace.h"
+
+extern grpc_tracer_flag grpc_polling_trace; /* Disabled by default */
typedef struct grpc_fd grpc_fd;
@@ -64,7 +67,7 @@
void (*pollset_init)(grpc_pollset *pollset, gpr_mu **mu);
void (*pollset_shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure);
- void (*pollset_destroy)(grpc_pollset *pollset);
+ void (*pollset_destroy)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset);
grpc_error *(*pollset_work)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_pollset_worker **worker, gpr_timespec now,
gpr_timespec deadline);
diff --git a/src/core/lib/iomgr/exec_ctx.c b/src/core/lib/iomgr/exec_ctx.c
index 2532a70..318bb2b 100644
--- a/src/core/lib/iomgr/exec_ctx.c
+++ b/src/core/lib/iomgr/exec_ctx.c
@@ -62,6 +62,11 @@
return true;
}
+bool grpc_exec_ctx_has_work(grpc_exec_ctx *exec_ctx) {
+ return exec_ctx->active_combiner != NULL ||
+ !grpc_closure_list_empty(exec_ctx->closure_list);
+}
+
bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) {
bool did_something = 0;
GPR_TIMER_BEGIN("grpc_exec_ctx_flush", 0);
diff --git a/src/core/lib/iomgr/exec_ctx.h b/src/core/lib/iomgr/exec_ctx.h
index f99a0fe..759a3ae 100644
--- a/src/core/lib/iomgr/exec_ctx.h
+++ b/src/core/lib/iomgr/exec_ctx.h
@@ -93,6 +93,8 @@
extern grpc_closure_scheduler *grpc_schedule_on_exec_ctx;
+bool grpc_exec_ctx_has_work(grpc_exec_ctx *exec_ctx);
+
/** Flush any work that has been enqueued onto this grpc_exec_ctx.
* Caller must guarantee that no interfering locks are held.
* Returns true if work was performed, false otherwise. */
diff --git a/src/core/lib/iomgr/is_epollexclusive_available.c b/src/core/lib/iomgr/is_epollexclusive_available.c
new file mode 100644
index 0000000..34fcf31
--- /dev/null
+++ b/src/core/lib/iomgr/is_epollexclusive_available.c
@@ -0,0 +1,116 @@
+/*
+ *
+ * Copyright 2017, 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 "src/core/lib/iomgr/port.h"
+
+#include "src/core/lib/iomgr/is_epollexclusive_available.h"
+
+#ifdef GRPC_LINUX_EPOLL
+
+#include <grpc/support/log.h>
+
+#include <errno.h>
+#include <sys/eventfd.h>
+#include <unistd.h>
+
+#include "src/core/lib/iomgr/sys_epoll_wrapper.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+bool grpc_is_epollexclusive_available(void) {
+ static bool logged_why_not = false;
+
+ int fd = epoll_create1(EPOLL_CLOEXEC);
+ if (fd < 0) {
+ if (!logged_why_not) {
+ gpr_log(GPR_ERROR,
+ "epoll_create1 failed with error: %d. Not using epollex polling "
+ "engine.",
+ fd);
+ logged_why_not = true;
+ }
+ return false;
+ }
+ int evfd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
+ if (evfd < 0) {
+ if (!logged_why_not) {
+ gpr_log(GPR_ERROR,
+ "eventfd failed with error: %d. Not using epollex polling "
+ "engine.",
+ fd);
+ logged_why_not = true;
+ }
+ close(fd);
+ return false;
+ }
+ struct epoll_event ev = {
+ /* choose events that should cause an error on
+ EPOLLEXCLUSIVE enabled kernels - specifically the combination of
+ EPOLLONESHOT and EPOLLEXCLUSIVE */
+ .events = (uint32_t)(EPOLLET | EPOLLIN | EPOLLEXCLUSIVE | EPOLLONESHOT),
+ .data.ptr = NULL};
+ if (epoll_ctl(fd, EPOLL_CTL_ADD, evfd, &ev) != 0) {
+ if (errno != EINVAL) {
+ if (!logged_why_not) {
+ gpr_log(
+ GPR_ERROR,
+ "epoll_ctl with EPOLLEXCLUSIVE | EPOLLONESHOT failed with error: "
+ "%d. Not using epollex polling engine.",
+ errno);
+ logged_why_not = true;
+ }
+ close(fd);
+ close(evfd);
+ return false;
+ }
+ } else {
+ if (!logged_why_not) {
+ gpr_log(GPR_ERROR,
+ "epoll_ctl with EPOLLEXCLUSIVE | EPOLLONESHOT succeeded. This is "
+ "evidence of no EPOLLEXCLUSIVE support. Not using "
+ "epollex polling engine.");
+ logged_why_not = true;
+ }
+ close(fd);
+ close(evfd);
+ return false;
+ }
+ close(evfd);
+ close(fd);
+ return true;
+}
+
+#else
+
+bool grpc_is_epollexclusive_available(void) { return false; }
+
+#endif
diff --git a/src/core/lib/iomgr/ev_epoll_linux.h b/src/core/lib/iomgr/is_epollexclusive_available.h
similarity index 75%
copy from src/core/lib/iomgr/ev_epoll_linux.h
copy to src/core/lib/iomgr/is_epollexclusive_available.h
index 8fc3ff5..b65b819 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.h
+++ b/src/core/lib/iomgr/is_epollexclusive_available.h
@@ -31,18 +31,11 @@
*
*/
-#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
-#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
+#ifndef GRPC_CORE_LIB_IOMGR_IS_EPOLLEXCLUSIVE_AVAILABLE_H
+#define GRPC_CORE_LIB_IOMGR_IS_EPOLLEXCLUSIVE_AVAILABLE_H
-#include "src/core/lib/iomgr/ev_posix.h"
-#include "src/core/lib/iomgr/port.h"
+#include <stdbool.h>
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void);
+bool grpc_is_epollexclusive_available(void);
-#ifdef GRPC_LINUX_EPOLL
-void *grpc_fd_get_polling_island(grpc_fd *fd);
-void *grpc_pollset_get_polling_island(grpc_pollset *ps);
-bool grpc_are_polling_islands_equal(void *p, void *q);
-#endif /* defined(GRPC_LINUX_EPOLL) */
-
-#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IS_EPOLLEXCLUSIVE_AVAILABLE_H */
diff --git a/src/core/lib/iomgr/pollset.h b/src/core/lib/iomgr/pollset.h
index 9bf3cda..69e2009 100644
--- a/src/core/lib/iomgr/pollset.h
+++ b/src/core/lib/iomgr/pollset.h
@@ -40,8 +40,6 @@
#include "src/core/lib/iomgr/exec_ctx.h"
-#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
-
/* A grpc_pollset is a set of file descriptors that a higher level item is
interested in. For example:
- a server will typically keep a pollset containing all connected channels,
@@ -59,7 +57,7 @@
* pollset's mutex must be held */
void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure);
-void grpc_pollset_destroy(grpc_pollset *pollset);
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset);
/* Do some work on a pollset.
May involve invoking asynchronous callbacks, or actually polling file
@@ -88,8 +86,7 @@
gpr_timespec deadline) GRPC_MUST_USE_RESULT;
/* Break one polling thread out of polling work for this pollset.
- If specific_worker is GRPC_POLLSET_KICK_BROADCAST, kick ALL the workers.
- Otherwise, if specific_worker is non-NULL, then kick that worker. */
+ If specific_worker is non-NULL, then kick that worker. */
grpc_error *grpc_pollset_kick(grpc_pollset *pollset,
grpc_pollset_worker *specific_worker)
GRPC_MUST_USE_RESULT;
diff --git a/src/core/lib/iomgr/pollset_uv.c b/src/core/lib/iomgr/pollset_uv.c
index a2f81bc..5923da9 100644
--- a/src/core/lib/iomgr/pollset_uv.c
+++ b/src/core/lib/iomgr/pollset_uv.c
@@ -106,7 +106,7 @@
grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE);
}
-void grpc_pollset_destroy(grpc_pollset *pollset) {
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
uv_close((uv_handle_t *)&pollset->timer, timer_close_cb);
// timer.data is a boolean indicating that the timer has finished closing
pollset->timer.data = (void *)0;
diff --git a/src/core/lib/iomgr/pollset_windows.c b/src/core/lib/iomgr/pollset_windows.c
index bea4232..b5f454c 100644
--- a/src/core/lib/iomgr/pollset_windows.c
+++ b/src/core/lib/iomgr/pollset_windows.c
@@ -43,6 +43,8 @@
#include "src/core/lib/iomgr/pollset.h"
#include "src/core/lib/iomgr/pollset_windows.h"
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
gpr_mu grpc_polling_mu;
static grpc_pollset_worker *g_active_poller;
static grpc_pollset_worker g_global_root_worker;
@@ -114,7 +116,7 @@
}
}
-void grpc_pollset_destroy(grpc_pollset *pollset) {}
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {}
grpc_error *grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_pollset_worker **worker_hdl,
diff --git a/src/core/lib/iomgr/ev_epoll_linux.h b/src/core/lib/iomgr/sys_epoll_wrapper.h
similarity index 74%
copy from src/core/lib/iomgr/ev_epoll_linux.h
copy to src/core/lib/iomgr/sys_epoll_wrapper.h
index 8fc3ff5..2f08423 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.h
+++ b/src/core/lib/iomgr/sys_epoll_wrapper.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015, Google Inc.
+ * Copyright 2017, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,13 @@
*
*/
-#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
-#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
+#ifndef GRPC_CORE_LIB_IOMGR_SYS_EPOLL_WRAPPER_H
+#define GRPC_CORE_LIB_IOMGR_SYS_EPOLL_WRAPPER_H
-#include "src/core/lib/iomgr/ev_posix.h"
-#include "src/core/lib/iomgr/port.h"
+#include <sys/epoll.h>
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void);
+#ifndef EPOLLEXCLUSIVE
+#define EPOLLEXCLUSIVE (1 << 28)
+#endif
-#ifdef GRPC_LINUX_EPOLL
-void *grpc_fd_get_polling_island(grpc_fd *fd);
-void *grpc_pollset_get_polling_island(grpc_pollset *ps);
-bool grpc_are_polling_islands_equal(void *p, void *q);
-#endif /* defined(GRPC_LINUX_EPOLL) */
-
-#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SYS_EPOLL_WRAPPER_H */
diff --git a/src/core/lib/security/credentials/google_default/google_default_credentials.c b/src/core/lib/security/credentials/google_default/google_default_credentials.c
index 97501e6..4d8c451 100644
--- a/src/core/lib/security/credentials/google_default/google_default_credentials.c
+++ b/src/core/lib/security/credentials/google_default/google_default_credentials.c
@@ -99,7 +99,7 @@
}
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, grpc_error *e) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
static int is_stack_running_on_compute_engine(grpc_exec_ctx *exec_ctx) {
diff --git a/src/core/lib/support/mpscq.c b/src/core/lib/support/mpscq.c
index 5b93232..1015cc6 100644
--- a/src/core/lib/support/mpscq.c
+++ b/src/core/lib/support/mpscq.c
@@ -54,21 +54,31 @@
}
gpr_mpscq_node *gpr_mpscq_pop(gpr_mpscq *q) {
+ bool empty;
+ return gpr_mpscq_pop_and_check_end(q, &empty);
+}
+
+gpr_mpscq_node *gpr_mpscq_pop_and_check_end(gpr_mpscq *q, bool *empty) {
gpr_mpscq_node *tail = q->tail;
gpr_mpscq_node *next = (gpr_mpscq_node *)gpr_atm_acq_load(&tail->next);
if (tail == &q->stub) {
// indicates the list is actually (ephemerally) empty
- if (next == NULL) return NULL;
+ if (next == NULL) {
+ *empty = true;
+ return NULL;
+ }
q->tail = next;
tail = next;
next = (gpr_mpscq_node *)gpr_atm_acq_load(&tail->next);
}
if (next != NULL) {
+ *empty = false;
q->tail = next;
return tail;
}
gpr_mpscq_node *head = (gpr_mpscq_node *)gpr_atm_acq_load(&q->head);
if (tail != head) {
+ *empty = false;
// indicates a retry is in order: we're still adding
return NULL;
}
@@ -79,5 +89,6 @@
return tail;
}
// indicates a retry is in order: we're still adding
+ *empty = false;
return NULL;
}
diff --git a/src/core/lib/support/mpscq.h b/src/core/lib/support/mpscq.h
index 977a117..24c89f9 100644
--- a/src/core/lib/support/mpscq.h
+++ b/src/core/lib/support/mpscq.h
@@ -35,6 +35,7 @@
#define GRPC_CORE_LIB_SUPPORT_MPSCQ_H
#include <grpc/support/atm.h>
+#include <stdbool.h>
#include <stddef.h>
// Multiple-producer single-consumer lock free queue, based upon the
@@ -62,4 +63,7 @@
// the queue is empty!!)
gpr_mpscq_node *gpr_mpscq_pop(gpr_mpscq *q);
+// Pop a node; sets *empty to true if the queue is empty, or false if it is not
+gpr_mpscq_node *gpr_mpscq_pop_and_check_end(gpr_mpscq *q, bool *empty);
+
#endif /* GRPC_CORE_LIB_SUPPORT_MPSCQ_H */
diff --git a/src/core/lib/surface/alarm.c b/src/core/lib/surface/alarm.c
index e71c0eb..b72d534 100644
--- a/src/core/lib/surface/alarm.c
+++ b/src/core/lib/surface/alarm.c
@@ -81,7 +81,9 @@
}
void grpc_alarm_destroy(grpc_alarm *alarm) {
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_alarm_cancel(alarm);
- GRPC_CQ_INTERNAL_UNREF(alarm->cq, "alarm");
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, alarm->cq, "alarm");
gpr_free(alarm);
+ grpc_exec_ctx_finish(&exec_ctx);
}
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 1bd158f..201969c 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -521,7 +521,7 @@
}
}
if (c->cq) {
- GRPC_CQ_INTERNAL_UNREF(c->cq, "bind");
+ GRPC_CQ_INTERNAL_UNREF(exec_ctx, c->cq, "bind");
}
get_final_status(call, set_status_value_directly, &c->final_info.final_status,
diff --git a/src/core/lib/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c
index f5ce96f..df5b702 100644
--- a/src/core/lib/surface/completion_queue.c
+++ b/src/core/lib/surface/completion_queue.c
@@ -72,7 +72,7 @@
gpr_timespec deadline);
void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure);
- void (*destroy)(grpc_pollset *pollset);
+ void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset);
} cq_poller_vtable;
typedef struct non_polling_worker {
@@ -98,7 +98,8 @@
*mu = &npp->mu;
}
-static void non_polling_poller_destroy(grpc_pollset *pollset) {
+static void non_polling_poller_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
non_polling_poller *npp = (non_polling_poller *)pollset;
gpr_mu_destroy(&npp->mu);
}
@@ -323,20 +324,21 @@
static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
grpc_completion_queue *cc = arg;
- GRPC_CQ_INTERNAL_UNREF(cc, "pollset_destroy");
+ GRPC_CQ_INTERNAL_UNREF(exec_ctx, cc, "pollset_destroy");
}
#ifdef GRPC_CQ_REF_COUNT_DEBUG
-void grpc_cq_internal_unref(grpc_completion_queue *cc, const char *reason,
- const char *file, int line) {
+void grpc_cq_internal_unref(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
+ const char *reason, const char *file, int line) {
gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "CQ:%p unref %d -> %d %s", cc,
(int)cc->owning_refs.count, (int)cc->owning_refs.count - 1, reason);
#else
-void grpc_cq_internal_unref(grpc_completion_queue *cc) {
+void grpc_cq_internal_unref(grpc_exec_ctx *exec_ctx,
+ grpc_completion_queue *cc) {
#endif
if (gpr_unref(&cc->owning_refs)) {
GPR_ASSERT(cc->completed_head.next == (uintptr_t)&cc->completed_head);
- cc->poller_vtable->destroy(POLLSET_FROM_CQ(cc));
+ cc->poller_vtable->destroy(exec_ctx, POLLSET_FROM_CQ(cc));
#ifndef NDEBUG
gpr_free(cc->outstanding_tags);
#endif
@@ -599,7 +601,7 @@
is_finished_arg.first_loop = false;
}
GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
- GRPC_CQ_INTERNAL_UNREF(cc, "next");
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, cc, "next");
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(is_finished_arg.stolen_completion == NULL);
@@ -782,7 +784,7 @@
}
done:
GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
- GRPC_CQ_INTERNAL_UNREF(cc, "pluck");
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, cc, "pluck");
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(is_finished_arg.stolen_completion == NULL);
@@ -819,7 +821,9 @@
GRPC_API_TRACE("grpc_completion_queue_destroy(cc=%p)", 1, (cc));
GPR_TIMER_BEGIN("grpc_completion_queue_destroy", 0);
grpc_completion_queue_shutdown(cc);
- GRPC_CQ_INTERNAL_UNREF(cc, "destroy");
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, cc, "destroy");
+ grpc_exec_ctx_finish(&exec_ctx);
GPR_TIMER_END("grpc_completion_queue_destroy", 0);
}
diff --git a/src/core/lib/surface/completion_queue.h b/src/core/lib/surface/completion_queue.h
index a750687..8d9ce2e 100644
--- a/src/core/lib/surface/completion_queue.h
+++ b/src/core/lib/surface/completion_queue.h
@@ -66,17 +66,17 @@
#ifdef GRPC_CQ_REF_COUNT_DEBUG
void grpc_cq_internal_ref(grpc_completion_queue *cc, const char *reason,
const char *file, int line);
-void grpc_cq_internal_unref(grpc_completion_queue *cc, const char *reason,
- const char *file, int line);
+void grpc_cq_internal_unref(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
+ const char *reason, const char *file, int line);
#define GRPC_CQ_INTERNAL_REF(cc, reason) \
grpc_cq_internal_ref(cc, reason, __FILE__, __LINE__)
-#define GRPC_CQ_INTERNAL_UNREF(cc, reason) \
- grpc_cq_internal_unref(cc, reason, __FILE__, __LINE__)
+#define GRPC_CQ_INTERNAL_UNREF(ec, cc, reason) \
+ grpc_cq_internal_unref(ec, cc, reason, __FILE__, __LINE__)
#else
void grpc_cq_internal_ref(grpc_completion_queue *cc);
-void grpc_cq_internal_unref(grpc_completion_queue *cc);
+void grpc_cq_internal_unref(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc);
#define GRPC_CQ_INTERNAL_REF(cc, reason) grpc_cq_internal_ref(cc)
-#define GRPC_CQ_INTERNAL_UNREF(cc, reason) grpc_cq_internal_unref(cc)
+#define GRPC_CQ_INTERNAL_UNREF(ec, cc, reason) grpc_cq_internal_unref(ec, cc)
#endif
/* Flag that an operation is beginning: the completion channel will not finish
diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c
index 795429e..560229e 100644
--- a/src/core/lib/surface/server.c
+++ b/src/core/lib/surface/server.c
@@ -408,7 +408,7 @@
request_matcher_destroy(&server->unregistered_request_matcher);
}
for (i = 0; i < server->cq_count; i++) {
- GRPC_CQ_INTERNAL_UNREF(server->cqs[i], "server");
+ GRPC_CQ_INTERNAL_UNREF(exec_ctx, server->cqs[i], "server");
if (server->started) {
gpr_stack_lockfree_destroy(server->request_freelist_per_cq[i]);
gpr_free(server->requested_calls_per_cq[i]);
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index b720509..b81e7dd 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -97,7 +97,9 @@
'src/core/lib/iomgr/endpoint_pair_uv.c',
'src/core/lib/iomgr/endpoint_pair_windows.c',
'src/core/lib/iomgr/error.c',
- 'src/core/lib/iomgr/ev_epoll_linux.c',
+ 'src/core/lib/iomgr/ev_epoll1_linux.c',
+ 'src/core/lib/iomgr/ev_epollex_linux.c',
+ 'src/core/lib/iomgr/ev_epollsig_linux.c',
'src/core/lib/iomgr/ev_poll_posix.c',
'src/core/lib/iomgr/ev_posix.c',
'src/core/lib/iomgr/exec_ctx.c',
@@ -107,6 +109,7 @@
'src/core/lib/iomgr/iomgr_posix.c',
'src/core/lib/iomgr/iomgr_uv.c',
'src/core/lib/iomgr/iomgr_windows.c',
+ 'src/core/lib/iomgr/is_epollexclusive_available.c',
'src/core/lib/iomgr/load_file.c',
'src/core/lib/iomgr/lockfree_event.c',
'src/core/lib/iomgr/network_status_tracker.c',
diff --git a/src/core/lib/iomgr/ev_epoll_linux.h b/test/build/check_epollexclusive.c
similarity index 73%
copy from src/core/lib/iomgr/ev_epoll_linux.h
copy to test/build/check_epollexclusive.c
index 8fc3ff5..fb512c3 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.h
+++ b/test/build/check_epollexclusive.c
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015, Google Inc.
+ * Copyright 2017, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,8 @@
*
*/
-#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
-#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
+#include "src/core/lib/iomgr/is_epollexclusive_available.h"
-#include "src/core/lib/iomgr/ev_posix.h"
-#include "src/core/lib/iomgr/port.h"
-
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void);
-
-#ifdef GRPC_LINUX_EPOLL
-void *grpc_fd_get_polling_island(grpc_fd *fd);
-void *grpc_pollset_get_polling_island(grpc_pollset *ps);
-bool grpc_are_polling_islands_equal(void *p, void *q);
-#endif /* defined(GRPC_LINUX_EPOLL) */
-
-#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H */
+int main(int argc, char **argv) {
+ return grpc_is_epollexclusive_available() ? 0 : 1;
+}
diff --git a/test/core/end2end/fixtures/http_proxy_fixture.c b/test/core/end2end/fixtures/http_proxy_fixture.c
index f0d0948..4170a59 100644
--- a/test/core/end2end/fixtures/http_proxy_fixture.c
+++ b/test/core/end2end/fixtures/http_proxy_fixture.c
@@ -488,7 +488,7 @@
static void destroy_pollset(grpc_exec_ctx* exec_ctx, void* arg,
grpc_error* error) {
grpc_pollset* pollset = arg;
- grpc_pollset_destroy(pollset);
+ grpc_pollset_destroy(exec_ctx, pollset);
gpr_free(pollset);
}
diff --git a/test/core/http/httpcli_test.c b/test/core/http/httpcli_test.c
index d3b45c4..21135dd 100644
--- a/test/core/http/httpcli_test.c
+++ b/test/core/http/httpcli_test.c
@@ -155,7 +155,7 @@
}
static void destroy_pops(grpc_exec_ctx *exec_ctx, void *p, grpc_error *error) {
- grpc_pollset_destroy(grpc_polling_entity_pollset(p));
+ grpc_pollset_destroy(exec_ctx, grpc_polling_entity_pollset(p));
}
int main(int argc, char **argv) {
diff --git a/test/core/http/httpscli_test.c b/test/core/http/httpscli_test.c
index acc9409..73eaae8 100644
--- a/test/core/http/httpscli_test.c
+++ b/test/core/http/httpscli_test.c
@@ -157,7 +157,7 @@
}
static void destroy_pops(grpc_exec_ctx *exec_ctx, void *p, grpc_error *error) {
- grpc_pollset_destroy(grpc_polling_entity_pollset(p));
+ grpc_pollset_destroy(exec_ctx, grpc_polling_entity_pollset(p));
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.c
index c8a6077..4561c38 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.c
@@ -70,7 +70,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/ev_epoll_linux_test.c b/test/core/iomgr/ev_epollsig_linux_test.c
similarity index 98%
rename from test/core/iomgr/ev_epoll_linux_test.c
rename to test/core/iomgr/ev_epollsig_linux_test.c
index 0856023..efc8ed3 100644
--- a/test/core/iomgr/ev_epoll_linux_test.c
+++ b/test/core/iomgr/ev_epollsig_linux_test.c
@@ -34,7 +34,7 @@
/* This test only relevant on linux systems where epoll() is available */
#ifdef GRPC_LINUX_EPOLL
-#include "src/core/lib/iomgr/ev_epoll_linux.h"
+#include "src/core/lib/iomgr/ev_epollsig_linux.h"
#include "src/core/lib/iomgr/ev_posix.h"
#include <errno.h>
@@ -113,7 +113,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
static void test_pollset_cleanup(grpc_exec_ctx *exec_ctx,
@@ -405,13 +405,13 @@
grpc_iomgr_init();
poll_strategy = grpc_get_poll_strategy_name();
- if (poll_strategy != NULL && strcmp(poll_strategy, "epoll") == 0) {
+ if (poll_strategy != NULL && strcmp(poll_strategy, "epollsig") == 0) {
test_add_fd_to_pollset();
test_pollset_queue_merge_items();
test_threading();
} else {
gpr_log(GPR_INFO,
- "Skipping the test. The test is only relevant for 'epoll' "
+ "Skipping the test. The test is only relevant for 'epollsig' "
"strategy. and the current strategy is: '%s'",
poll_strategy);
}
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.c
index 81d2692..d6cee8e 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.c
@@ -535,7 +535,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/pollset_set_test.c b/test/core/iomgr/pollset_set_test.c
index 3a9d459..469551c 100644
--- a/test/core/iomgr/pollset_set_test.c
+++ b/test/core/iomgr/pollset_set_test.c
@@ -86,7 +86,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
static void cleanup_test_pollsets(grpc_exec_ctx *exec_ctx,
diff --git a/test/core/iomgr/resolve_address_posix_test.c b/test/core/iomgr/resolve_address_posix_test.c
index fa88aca..7fba0b9 100644
--- a/test/core/iomgr/resolve_address_posix_test.c
+++ b/test/core/iomgr/resolve_address_posix_test.c
@@ -81,7 +81,7 @@
grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb);
// exec_ctx needs to be flushed before calling grpc_pollset_destroy()
grpc_exec_ctx_flush(exec_ctx);
- grpc_pollset_destroy(args->pollset);
+ grpc_pollset_destroy(exec_ctx, args->pollset);
gpr_free(args->pollset);
}
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.c
index ea79adc..0425c3b 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.c
@@ -76,7 +76,7 @@
grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb);
// exec_ctx needs to be flushed before calling grpc_pollset_destroy()
grpc_exec_ctx_flush(exec_ctx);
- grpc_pollset_destroy(args->pollset);
+ grpc_pollset_destroy(exec_ctx, args->pollset);
gpr_free(args->pollset);
}
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.c
index 2fae677..6e1bb43 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.c
@@ -197,7 +197,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_client_uv_test.c b/test/core/iomgr/tcp_client_uv_test.c
index 92fc393..3a8458d 100644
--- a/test/core/iomgr/tcp_client_uv_test.c
+++ b/test/core/iomgr/tcp_client_uv_test.c
@@ -194,7 +194,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index 2c53a00..a1c54e1 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -562,7 +562,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index 112743b..88aead1 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -444,7 +444,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_server_uv_test.c b/test/core/iomgr/tcp_server_uv_test.c
index 1e03958..945b84a 100644
--- a/test/core/iomgr/tcp_server_uv_test.c
+++ b/test/core/iomgr/tcp_server_uv_test.c
@@ -306,7 +306,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/udp_server_test.c b/test/core/iomgr/udp_server_test.c
index 1f1696a..ee78d6b 100644
--- a/test/core/iomgr/udp_server_test.c
+++ b/test/core/iomgr/udp_server_test.c
@@ -307,7 +307,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index 71d8057..cd6ff2c 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -185,7 +185,7 @@
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/surface/concurrent_connectivity_test.c b/test/core/surface/concurrent_connectivity_test.c
index d6841ea..f0e3394 100644
--- a/test/core/surface/concurrent_connectivity_test.c
+++ b/test/core/surface/concurrent_connectivity_test.c
@@ -162,7 +162,7 @@
static void done_pollset_shutdown(grpc_exec_ctx *exec_ctx, void *pollset,
grpc_error *error) {
- grpc_pollset_destroy(pollset);
+ grpc_pollset_destroy(exec_ctx, pollset);
gpr_free(pollset);
}
diff --git a/test/core/util/port_server_client.c b/test/core/util/port_server_client.c
index 254c3a6..6ef0acf 100644
--- a/test/core/util/port_server_client.c
+++ b/test/core/util/port_server_client.c
@@ -58,9 +58,8 @@
static void destroy_pops_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
grpc_pollset *pollset = grpc_polling_entity_pollset(p);
- grpc_pollset_destroy(pollset);
+ grpc_pollset_destroy(exec_ctx, pollset);
gpr_free(pollset);
- grpc_shutdown();
}
static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
@@ -122,12 +121,13 @@
gpr_mu_unlock(pr.mu);
grpc_httpcli_context_destroy(&exec_ctx, &context);
- grpc_exec_ctx_finish(&exec_ctx);
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
gpr_free(path);
grpc_http_response_destroy(&rsp);
+
+ grpc_shutdown();
}
typedef struct portreq {
@@ -239,7 +239,6 @@
grpc_closure_create(got_port_from_server, &pr, grpc_schedule_on_exec_ctx),
&pr.response);
grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
- grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(pr.mu);
while (pr.port == -1) {
grpc_pollset_worker *worker = NULL;
@@ -258,6 +257,7 @@
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
+ grpc_shutdown();
return pr.port;
}
diff --git a/test/core/util/test_tcp_server.c b/test/core/util/test_tcp_server.c
index 496e579..1908698 100644
--- a/test/core/util/test_tcp_server.c
+++ b/test/core/util/test_tcp_server.c
@@ -106,6 +106,10 @@
}
static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {}
+static void finish_pollset(grpc_exec_ctx *exec_ctx, void *arg,
+ grpc_error *error) {
+ grpc_pollset_destroy(exec_ctx, arg);
+}
void test_tcp_server_destroy(test_tcp_server *server) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -120,9 +124,10 @@
gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), shutdown_deadline) < 0) {
test_tcp_server_poll(server, 1);
}
- grpc_pollset_shutdown(&exec_ctx, server->pollset, &do_nothing_cb);
+ grpc_pollset_shutdown(&exec_ctx, server->pollset,
+ grpc_closure_create(finish_pollset, server->pollset,
+ grpc_schedule_on_exec_ctx));
grpc_exec_ctx_finish(&exec_ctx);
- grpc_pollset_destroy(server->pollset);
gpr_free(server->pollset);
grpc_shutdown();
}
diff --git a/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc b/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc
index 9d7f65d..0d267da 100644
--- a/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc
+++ b/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc
@@ -67,7 +67,9 @@
*mu = &ps->mu;
}
-static void pollset_destroy(grpc_pollset* ps) { gpr_mu_destroy(&ps->mu); }
+static void pollset_destroy(grpc_exec_ctx* exec_ctx, grpc_pollset* ps) {
+ gpr_mu_destroy(&ps->mu);
+}
static grpc_error* pollset_kick(grpc_pollset* p, grpc_pollset_worker* worker) {
return GRPC_ERROR_NONE;
diff --git a/test/cpp/microbenchmarks/bm_pollset.cc b/test/cpp/microbenchmarks/bm_pollset.cc
index 0f3d3ce..f5e8d13 100644
--- a/test/cpp/microbenchmarks/bm_pollset.cc
+++ b/test/cpp/microbenchmarks/bm_pollset.cc
@@ -59,7 +59,7 @@
auto& force_library_initialization = Library::get();
static void shutdown_ps(grpc_exec_ctx* exec_ctx, void* ps, grpc_error* error) {
- grpc_pollset_destroy(static_cast<grpc_pollset*>(ps));
+ grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset*>(ps));
}
static void BM_CreateDestroyPollset(benchmark::State& state) {
@@ -136,8 +136,7 @@
gpr_timespec deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
gpr_mu_lock(mu);
while (state.KeepRunning()) {
- grpc_pollset_worker* worker;
- GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, &worker, now, deadline));
+ GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, NULL, now, deadline));
}
grpc_closure shutdown_ps_closure;
grpc_closure_init(&shutdown_ps_closure, shutdown_ps, ps,
@@ -150,6 +149,34 @@
}
BENCHMARK(BM_PollEmptyPollset);
+static void BM_PollAddFd(benchmark::State& state) {
+ TrackCounters track_counters;
+ size_t ps_sz = grpc_pollset_size();
+ grpc_pollset* ps = static_cast<grpc_pollset*>(gpr_zalloc(ps_sz));
+ gpr_mu* mu;
+ grpc_pollset_init(ps, &mu);
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ grpc_wakeup_fd wakeup_fd;
+ GPR_ASSERT(
+ GRPC_LOG_IF_ERROR("wakeup_fd_init", grpc_wakeup_fd_init(&wakeup_fd)));
+ grpc_fd* fd = grpc_fd_create(wakeup_fd.read_fd, "xxx");
+ while (state.KeepRunning()) {
+ grpc_pollset_add_fd(&exec_ctx, ps, fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+ grpc_fd_orphan(&exec_ctx, fd, NULL, NULL, "xxx");
+ grpc_closure shutdown_ps_closure;
+ grpc_closure_init(&shutdown_ps_closure, shutdown_ps, ps,
+ grpc_schedule_on_exec_ctx);
+ gpr_mu_lock(mu);
+ grpc_pollset_shutdown(&exec_ctx, ps, &shutdown_ps_closure);
+ gpr_mu_unlock(mu);
+ grpc_exec_ctx_finish(&exec_ctx);
+ gpr_free(ps);
+ track_counters.Finish(state);
+}
+BENCHMARK(BM_PollAddFd);
+
class Closure : public grpc_closure {
public:
virtual ~Closure() {}
@@ -233,8 +260,7 @@
grpc_fd_notify_on_read(&exec_ctx, wakeup, continue_closure);
gpr_mu_lock(mu);
while (!done) {
- grpc_pollset_worker* worker;
- GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, &worker, now, deadline));
+ GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, NULL, now, deadline));
}
grpc_fd_orphan(&exec_ctx, wakeup, NULL, NULL, "done");
wakeup_fd.read_fd = 0;
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index e50d906..2d4d246 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -939,8 +939,12 @@
src/core/lib/iomgr/error.c \
src/core/lib/iomgr/error.h \
src/core/lib/iomgr/error_internal.h \
-src/core/lib/iomgr/ev_epoll_linux.c \
-src/core/lib/iomgr/ev_epoll_linux.h \
+src/core/lib/iomgr/ev_epoll1_linux.c \
+src/core/lib/iomgr/ev_epoll1_linux.h \
+src/core/lib/iomgr/ev_epollex_linux.c \
+src/core/lib/iomgr/ev_epollex_linux.h \
+src/core/lib/iomgr/ev_epollsig_linux.c \
+src/core/lib/iomgr/ev_epollsig_linux.h \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_poll_posix.h \
src/core/lib/iomgr/ev_posix.c \
@@ -958,6 +962,8 @@
src/core/lib/iomgr/iomgr_posix.h \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+src/core/lib/iomgr/is_epollexclusive_available.c \
+src/core/lib/iomgr/is_epollexclusive_available.h \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/load_file.h \
src/core/lib/iomgr/lockfree_event.c \
@@ -1000,6 +1006,7 @@
src/core/lib/iomgr/socket_utils_windows.c \
src/core/lib/iomgr/socket_windows.c \
src/core/lib/iomgr/socket_windows.h \
+src/core/lib/iomgr/sys_epoll_wrapper.h \
src/core/lib/iomgr/tcp_client.h \
src/core/lib/iomgr/tcp_client_posix.c \
src/core/lib/iomgr/tcp_client_posix.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 3b754c6..ef2bf5c 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1078,8 +1078,12 @@
src/core/lib/iomgr/error.c \
src/core/lib/iomgr/error.h \
src/core/lib/iomgr/error_internal.h \
-src/core/lib/iomgr/ev_epoll_linux.c \
-src/core/lib/iomgr/ev_epoll_linux.h \
+src/core/lib/iomgr/ev_epoll1_linux.c \
+src/core/lib/iomgr/ev_epoll1_linux.h \
+src/core/lib/iomgr/ev_epollex_linux.c \
+src/core/lib/iomgr/ev_epollex_linux.h \
+src/core/lib/iomgr/ev_epollsig_linux.c \
+src/core/lib/iomgr/ev_epollsig_linux.h \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_poll_posix.h \
src/core/lib/iomgr/ev_posix.c \
@@ -1097,6 +1101,8 @@
src/core/lib/iomgr/iomgr_posix.h \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+src/core/lib/iomgr/is_epollexclusive_available.c \
+src/core/lib/iomgr/is_epollexclusive_available.h \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/load_file.h \
src/core/lib/iomgr/lockfree_event.c \
@@ -1139,6 +1145,7 @@
src/core/lib/iomgr/socket_utils_windows.c \
src/core/lib/iomgr/socket_windows.c \
src/core/lib/iomgr/socket_windows.h \
+src/core/lib/iomgr/sys_epoll_wrapper.h \
src/core/lib/iomgr/tcp_client.h \
src/core/lib/iomgr/tcp_client_posix.c \
src/core/lib/iomgr/tcp_client_posix.h \
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index 215abf1..6772330 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -235,6 +235,21 @@
{
"deps": [
"gpr",
+ "grpc"
+ ],
+ "headers": [],
+ "is_filegroup": false,
+ "language": "c",
+ "name": "check_epollexclusive",
+ "src": [
+ "test/build/check_epollexclusive.c"
+ ],
+ "third_party": false,
+ "type": "target"
+ },
+ {
+ "deps": [
+ "gpr",
"gpr_test_util",
"grpc",
"grpc_test_util"
@@ -463,9 +478,9 @@
"headers": [],
"is_filegroup": false,
"language": "c",
- "name": "ev_epoll_linux_test",
+ "name": "ev_epollsig_linux_test",
"src": [
- "test/core/iomgr/ev_epoll_linux_test.c"
+ "test/core/iomgr/ev_epollsig_linux_test.c"
],
"third_party": false,
"type": "target"
@@ -7750,7 +7765,9 @@
"src/core/lib/iomgr/endpoint_pair.h",
"src/core/lib/iomgr/error.h",
"src/core/lib/iomgr/error_internal.h",
- "src/core/lib/iomgr/ev_epoll_linux.h",
+ "src/core/lib/iomgr/ev_epoll1_linux.h",
+ "src/core/lib/iomgr/ev_epollex_linux.h",
+ "src/core/lib/iomgr/ev_epollsig_linux.h",
"src/core/lib/iomgr/ev_poll_posix.h",
"src/core/lib/iomgr/ev_posix.h",
"src/core/lib/iomgr/exec_ctx.h",
@@ -7759,6 +7776,7 @@
"src/core/lib/iomgr/iomgr.h",
"src/core/lib/iomgr/iomgr_internal.h",
"src/core/lib/iomgr/iomgr_posix.h",
+ "src/core/lib/iomgr/is_epollexclusive_available.h",
"src/core/lib/iomgr/load_file.h",
"src/core/lib/iomgr/lockfree_event.h",
"src/core/lib/iomgr/network_status_tracker.h",
@@ -7780,6 +7798,7 @@
"src/core/lib/iomgr/socket_utils.h",
"src/core/lib/iomgr/socket_utils_posix.h",
"src/core/lib/iomgr/socket_windows.h",
+ "src/core/lib/iomgr/sys_epoll_wrapper.h",
"src/core/lib/iomgr/tcp_client.h",
"src/core/lib/iomgr/tcp_client_posix.h",
"src/core/lib/iomgr/tcp_posix.h",
@@ -7892,8 +7911,12 @@
"src/core/lib/iomgr/error.c",
"src/core/lib/iomgr/error.h",
"src/core/lib/iomgr/error_internal.h",
- "src/core/lib/iomgr/ev_epoll_linux.c",
- "src/core/lib/iomgr/ev_epoll_linux.h",
+ "src/core/lib/iomgr/ev_epoll1_linux.c",
+ "src/core/lib/iomgr/ev_epoll1_linux.h",
+ "src/core/lib/iomgr/ev_epollex_linux.c",
+ "src/core/lib/iomgr/ev_epollex_linux.h",
+ "src/core/lib/iomgr/ev_epollsig_linux.c",
+ "src/core/lib/iomgr/ev_epollsig_linux.h",
"src/core/lib/iomgr/ev_poll_posix.c",
"src/core/lib/iomgr/ev_poll_posix.h",
"src/core/lib/iomgr/ev_posix.c",
@@ -7911,6 +7934,8 @@
"src/core/lib/iomgr/iomgr_posix.h",
"src/core/lib/iomgr/iomgr_uv.c",
"src/core/lib/iomgr/iomgr_windows.c",
+ "src/core/lib/iomgr/is_epollexclusive_available.c",
+ "src/core/lib/iomgr/is_epollexclusive_available.h",
"src/core/lib/iomgr/load_file.c",
"src/core/lib/iomgr/load_file.h",
"src/core/lib/iomgr/lockfree_event.c",
@@ -7953,6 +7978,7 @@
"src/core/lib/iomgr/socket_utils_windows.c",
"src/core/lib/iomgr/socket_windows.c",
"src/core/lib/iomgr/socket_windows.h",
+ "src/core/lib/iomgr/sys_epoll_wrapper.h",
"src/core/lib/iomgr/tcp_client.h",
"src/core/lib/iomgr/tcp_client_posix.c",
"src/core/lib/iomgr/tcp_client_posix.h",
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index e46b0d1..389b9e3 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -572,7 +572,7 @@
"flaky": false,
"gtest": false,
"language": "c",
- "name": "ev_epoll_linux_test",
+ "name": "ev_epollsig_linux_test",
"platforms": [
"linux"
]
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 62e92c3..0f61ad2 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -72,7 +72,7 @@
_POLLING_STRATEGIES = {
- 'linux': ['epoll', 'poll', 'poll-cv']
+ 'linux': ['epollex', 'epoll1', 'epollsig', 'poll', 'poll-cv']
}
@@ -1427,6 +1427,14 @@
POST_TEST = object()
+def _has_epollexclusive():
+ try:
+ subprocess.check_call('bins/%s/check_epollexclusive' % args.config)
+ return True
+ except subprocess.CalledProcessError, e:
+ return False
+
+
# returns a list of things that failed (or an empty list on success)
def _build_and_run(
check_cancelled, newline_on_success, xml_report=None, build_only=False):
@@ -1444,6 +1452,10 @@
suite_name=args.report_suite_name)
return []
+ if not args.travis and not _has_epollexclusive() and 'epollex' in _POLLING_STRATEGIES[platform_string()]:
+ print('\n\nOmitting EPOLLEXCLUSIVE tests\n\n')
+ _POLLING_STRATEGIES[platform_string()].remove('epollex')
+
# start antagonists
antagonists = [subprocess.Popen(['tools/run_tests/python_utils/antagonist.py'])
for _ in range(0, args.antagonists)]
diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index 539f474..2e8ccf8 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -162,6 +162,15 @@
{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
EndProjectSection
EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "check_epollexclusive", "vcxproj\.\check_epollexclusive\check_epollexclusive.vcxproj", "{03306445-5BA0-289C-02AB-513DE6C52124}"
+ ProjectSection(myProperties) = preProject
+ lib = "False"
+ EndProjectSection
+ ProjectSection(ProjectDependencies) = postProject
+ {29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+ {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+ EndProjectSection
+EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_hpack_encoder_test", "vcxproj\test\chttp2_hpack_encoder_test\chttp2_hpack_encoder_test.vcxproj", "{19F92966-3B0E-4FF8-CD7C-435D353E079E}"
ProjectSection(myProperties) = preProject
lib = "False"
@@ -1914,6 +1923,22 @@
{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|Win32.Build.0 = Release|Win32
{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|x64.ActiveCfg = Release|x64
{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.Build.0 = Release|x64
{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|Win32.ActiveCfg = Debug|Win32
{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|x64.ActiveCfg = Debug|x64
{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index 97378e0..307ae4b 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -8,6 +8,15 @@
lib = "True"
EndProjectSection
EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "check_epollexclusive", "vcxproj\.\check_epollexclusive\check_epollexclusive.vcxproj", "{03306445-5BA0-289C-02AB-513DE6C52124}"
+ ProjectSection(myProperties) = preProject
+ lib = "False"
+ EndProjectSection
+ ProjectSection(ProjectDependencies) = postProject
+ {29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+ {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+ EndProjectSection
+EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gen_hpack_tables", "vcxproj\.\gen_hpack_tables\gen_hpack_tables.vcxproj", "{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}"
ProjectSection(myProperties) = preProject
lib = "False"
@@ -190,6 +199,22 @@
{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|Win32.Build.0 = Release|Win32
{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|x64.ActiveCfg = Release|x64
{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.Build.0 = Release|x64
{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Debug|Win32.ActiveCfg = Debug|Win32
{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Debug|x64.ActiveCfg = Debug|x64
{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj
new file mode 100644
index 0000000..36e6fee
--- /dev/null
+++ b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup Label="ProjectConfigurations">
+ <ProjectConfiguration Include="Debug|Win32">
+ <Configuration>Debug</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Debug|x64">
+ <Configuration>Debug</Configuration>
+ <Platform>x64</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|x64">
+ <Configuration>Release</Configuration>
+ <Platform>x64</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
+ <PropertyGroup Label="Globals">
+ <ProjectGuid>{03306445-5BA0-289C-02AB-513DE6C52124}</ProjectGuid>
+ <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+ <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+ <PlatformToolset>v100</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+ <PlatformToolset>v110</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+ <PlatformToolset>v120</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+ <PlatformToolset>v140</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+ <ConfigurationType>StaticLibrary</ConfigurationType>
+ <UseDebugLibraries>true</UseDebugLibraries>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+ <ConfigurationType>StaticLibrary</ConfigurationType>
+ <UseDebugLibraries>false</UseDebugLibraries>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+ <ImportGroup Label="ExtensionSettings">
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+ <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+ </ImportGroup>
+ <PropertyGroup Label="UserMacros" />
+ <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+ <TargetName>check_epollexclusive</TargetName>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)'=='Release'">
+ <TargetName>check_epollexclusive</TargetName>
+ </PropertyGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>Disabled</Optimization>
+ <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>Disabled</Optimization>
+ <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>MaxSpeed</Optimization>
+ <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <FunctionLevelLinking>true</FunctionLevelLinking>
+ <IntrinsicFunctions>true</IntrinsicFunctions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
+ <OptimizeReferences>true</OptimizeReferences>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>MaxSpeed</Optimization>
+ <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <FunctionLevelLinking>true</FunctionLevelLinking>
+ <IntrinsicFunctions>true</IntrinsicFunctions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
+ <OptimizeReferences>true</OptimizeReferences>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemGroup>
+ <ClCompile Include="$(SolutionDir)\..\test\build\check_epollexclusive.c">
+ </ClCompile>
+ </ItemGroup>
+ <ItemGroup>
+ <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+ <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+ </ProjectReference>
+ <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+ <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+ </ProjectReference>
+ </ItemGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+ <ImportGroup Label="ExtensionTargets">
+ </ImportGroup>
+ <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+ <PropertyGroup>
+ <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+ </PropertyGroup>
+ </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters
new file mode 100644
index 0000000..5572541
--- /dev/null
+++ b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <ClCompile Include="$(SolutionDir)\..\test\build\check_epollexclusive.c">
+ <Filter>test\build</Filter>
+ </ClCompile>
+ </ItemGroup>
+
+ <ItemGroup>
+ <Filter Include="test">
+ <UniqueIdentifier>{98195cc4-af1b-3ef2-80a8-86b96fa1c488}</UniqueIdentifier>
+ </Filter>
+ <Filter Include="test\build">
+ <UniqueIdentifier>{c32fe5ee-bf78-58e4-fa70-b9294e48a136}</UniqueIdentifier>
+ </Filter>
+ </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index da9816f..087fb61 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -396,7 +396,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -405,6 +407,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -426,6 +429,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -611,7 +615,11 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -631,6 +639,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index 924576d..23a44a3 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@@ -184,7 +184,13 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -214,6 +220,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -911,7 +920,13 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -938,6 +953,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -1001,6 +1019,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
index 3e4265b..0b7d9a4 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -390,7 +390,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -399,6 +401,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -420,6 +423,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -595,7 +599,11 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -615,6 +623,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index c17d4de..e4d96f0 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -169,7 +169,13 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -199,6 +205,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -878,7 +887,13 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -905,6 +920,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -968,6 +986,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 3a30f3b..d288981 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -320,7 +320,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -329,6 +331,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -350,6 +353,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -552,7 +556,11 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -572,6 +580,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index c73b59e..6dbde3f 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -64,7 +64,13 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -94,6 +100,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -878,7 +887,13 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -905,6 +920,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -968,6 +986,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index b5605a9..3302a6c 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -215,7 +215,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -224,6 +226,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -245,6 +248,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -384,7 +388,11 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -404,6 +412,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 95e2292..40b120e 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -121,7 +121,13 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -151,6 +157,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -626,7 +635,13 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -653,6 +668,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -716,6 +734,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 4d3b9d6..e4a910f 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -310,7 +310,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -319,6 +321,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -340,6 +343,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -519,7 +523,11 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -539,6 +547,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index c8eb89f..737c49a 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -67,7 +67,13 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -97,6 +103,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -788,7 +797,13 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -815,6 +830,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -878,6 +896,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>