Buffer pools compile
diff --git a/BUILD b/BUILD
index ceba225..01aa817 100644
--- a/BUILD
+++ b/BUILD
@@ -209,6 +209,7 @@
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_client_posix.h",
     "src/core/lib/iomgr/tcp_posix.h",
     "src/core/lib/iomgr/tcp_server.h",
     "src/core/lib/iomgr/tcp_windows.h",
@@ -606,6 +607,7 @@
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_client_posix.h",
     "src/core/lib/iomgr/tcp_posix.h",
     "src/core/lib/iomgr/tcp_server.h",
     "src/core/lib/iomgr/tcp_windows.h",
@@ -958,6 +960,7 @@
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_client_posix.h",
     "src/core/lib/iomgr/tcp_posix.h",
     "src/core/lib/iomgr/tcp_server.h",
     "src/core/lib/iomgr/tcp_windows.h",
@@ -1307,6 +1310,7 @@
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_client_posix.h",
     "src/core/lib/iomgr/tcp_posix.h",
     "src/core/lib/iomgr/tcp_server.h",
     "src/core/lib/iomgr/tcp_windows.h",
@@ -1715,6 +1719,7 @@
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_client_posix.h",
     "src/core/lib/iomgr/tcp_posix.h",
     "src/core/lib/iomgr/tcp_server.h",
     "src/core/lib/iomgr/tcp_windows.h",
@@ -2430,6 +2435,7 @@
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_client_posix.h",
     "src/core/lib/iomgr/tcp_posix.h",
     "src/core/lib/iomgr/tcp_server.h",
     "src/core/lib/iomgr/tcp_windows.h",
diff --git a/build.yaml b/build.yaml
index 3088214..8c99064 100644
--- a/build.yaml
+++ b/build.yaml
@@ -213,6 +213,7 @@
   - src/core/lib/iomgr/socket_utils_posix.h
   - src/core/lib/iomgr/socket_windows.h
   - src/core/lib/iomgr/tcp_client.h
+  - src/core/lib/iomgr/tcp_client_posix.h
   - src/core/lib/iomgr/tcp_posix.h
   - src/core/lib/iomgr/tcp_server.h
   - src/core/lib/iomgr/tcp_windows.h
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 40ce020..23639dc 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -296,6 +296,7 @@
                       'src/core/lib/iomgr/socket_utils_posix.h',
                       'src/core/lib/iomgr/socket_windows.h',
                       'src/core/lib/iomgr/tcp_client.h',
+                      'src/core/lib/iomgr/tcp_client_posix.h',
                       'src/core/lib/iomgr/tcp_posix.h',
                       'src/core/lib/iomgr/tcp_server.h',
                       'src/core/lib/iomgr/tcp_windows.h',
@@ -665,6 +666,7 @@
                               'src/core/lib/iomgr/socket_utils_posix.h',
                               'src/core/lib/iomgr/socket_windows.h',
                               'src/core/lib/iomgr/tcp_client.h',
+                              'src/core/lib/iomgr/tcp_client_posix.h',
                               'src/core/lib/iomgr/tcp_posix.h',
                               'src/core/lib/iomgr/tcp_server.h',
                               'src/core/lib/iomgr/tcp_windows.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index 6c64dc7..0aefd51 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -216,6 +216,7 @@
   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/tcp_client.h )
+  s.files += %w( src/core/lib/iomgr/tcp_client_posix.h )
   s.files += %w( src/core/lib/iomgr/tcp_posix.h )
   s.files += %w( src/core/lib/iomgr/tcp_server.h )
   s.files += %w( src/core/lib/iomgr/tcp_windows.h )
diff --git a/package.xml b/package.xml
index 7d613d7..f3a7c6a 100644
--- a/package.xml
+++ b/package.xml
@@ -223,6 +223,7 @@
     <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/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" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/tcp_server.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/tcp_windows.h" role="src" />
diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
index ddc00bd..f865480 100644
--- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -149,8 +149,8 @@
   c->tcp = NULL;
   grpc_closure_init(&c->connected, connected, c);
   grpc_tcp_client_connect(exec_ctx, &c->connected, &c->tcp,
-                          args->interested_parties, args->addr, args->addr_len,
-                          args->deadline);
+                          args->interested_parties, args->channel_args,
+                          args->addr, args->addr_len, args->deadline);
 }
 
 static const grpc_connector_vtable connector_vtable = {
diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c
index b2c5e5b..1e5b1c2 100644
--- a/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c
@@ -44,6 +44,7 @@
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/iomgr/endpoint.h"
 #include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/tcp_client_posix.h"
 #include "src/core/lib/iomgr/tcp_posix.h"
 #include "src/core/lib/surface/api_trace.h"
 #include "src/core/lib/surface/channel.h"
@@ -65,9 +66,8 @@
   int flags = fcntl(fd, F_GETFL, 0);
   GPR_ASSERT(fcntl(fd, F_SETFL, flags | O_NONBLOCK) == 0);
 
-  grpc_endpoint *client =
-      grpc_tcp_create(grpc_fd_create(fd, "client"),
-                      GRPC_TCP_DEFAULT_READ_SLICE_SIZE, "fd-client");
+  grpc_endpoint *client = grpc_tcp_client_create_from_fd(
+      &exec_ctx, grpc_fd_create(fd, "client"), args, "fd-client");
 
   grpc_transport *transport =
       grpc_create_chttp2_transport(&exec_ctx, final_args, client, 1);
diff --git a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
index f36fbbf..2fbe03a 100644
--- a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
+++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
@@ -207,9 +207,10 @@
   GPR_ASSERT(c->connecting_endpoint == NULL);
   gpr_mu_unlock(&c->mu);
   grpc_closure_init(&c->connected_closure, connected, c);
-  grpc_tcp_client_connect(
-      exec_ctx, &c->connected_closure, &c->newly_connecting_endpoint,
-      args->interested_parties, args->addr, args->addr_len, args->deadline);
+  grpc_tcp_client_connect(exec_ctx, &c->connected_closure,
+                          &c->newly_connecting_endpoint,
+                          args->interested_parties, args->channel_args,
+                          args->addr, args->addr_len, args->deadline);
 }
 
 static const grpc_connector_vtable connector_vtable = {
diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
index f0e0742..2c64878 100644
--- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
+++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
@@ -139,8 +139,8 @@
     goto error;
   }
 
-  err =
-      grpc_tcp_server_create(NULL, grpc_server_get_channel_args(server), &tcp);
+  err = grpc_tcp_server_create(&exec_ctx, NULL,
+                               grpc_server_get_channel_args(server), &tcp);
   if (err != GRPC_ERROR_NONE) {
     goto error;
   }
diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c
index 4350543..020f67e 100644
--- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c
+++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c
@@ -58,7 +58,7 @@
   gpr_asprintf(&name, "fd:%d", fd);
 
   grpc_endpoint *server_endpoint = grpc_tcp_create(
-      grpc_fd_create(fd, name), GRPC_TCP_DEFAULT_READ_SLICE_SIZE, name);
+      grpc_fd_create(fd, name), NULL, GRPC_TCP_DEFAULT_READ_SLICE_SIZE, name);
 
   gpr_free(name);
 
diff --git a/src/core/lib/http/httpcli.c b/src/core/lib/http/httpcli.c
index 593da73..2f6f7e3 100644
--- a/src/core/lib/http/httpcli.c
+++ b/src/core/lib/http/httpcli.c
@@ -226,10 +226,15 @@
   }
   addr = &req->addresses->addrs[req->next_address++];
   grpc_closure_init(&req->connected, on_connected, req);
-  grpc_tcp_client_connect(exec_ctx, &req->connected, &req->ep,
-                          req->context->pollset_set, req->buffer_pool,
-                          (struct sockaddr *)&addr->addr, addr->len,
-                          req->deadline);
+  grpc_arg arg;
+  arg.key = GRPC_ARG_BUFFER_POOL;
+  arg.type = GRPC_ARG_POINTER;
+  arg.value.pointer.p = req->buffer_pool;
+  arg.value.pointer.vtable = grpc_buffer_pool_arg_vtable();
+  grpc_channel_args args = {1, &arg};
+  grpc_tcp_client_connect(
+      exec_ctx, &req->connected, &req->ep, req->context->pollset_set, &args,
+      (struct sockaddr *)&addr->addr, addr->len, req->deadline);
 }
 
 static void on_resolved(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
diff --git a/src/core/lib/iomgr/buffer_pool.c b/src/core/lib/iomgr/buffer_pool.c
index c7e1fcb..0153bce 100644
--- a/src/core/lib/iomgr/buffer_pool.c
+++ b/src/core/lib/iomgr/buffer_pool.c
@@ -33,6 +33,8 @@
 
 #include "src/core/lib/iomgr/buffer_pool.h"
 
+#include <string.h>
+
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
@@ -364,6 +366,21 @@
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
+grpc_buffer_pool *grpc_buffer_pool_from_channel_args(
+    grpc_channel_args *channel_args) {
+  for (size_t i = 0; i < channel_args->num_args; i++) {
+    if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_BUFFER_POOL)) {
+      if (channel_args->args[i].type == GRPC_ARG_POINTER) {
+        return grpc_buffer_pool_internal_ref(
+            channel_args->args[i].value.pointer.p);
+      } else {
+        gpr_log(GPR_DEBUG, GRPC_ARG_BUFFER_POOL " should be a pointer");
+      }
+    }
+  }
+  return grpc_buffer_pool_create();
+}
+
 /*******************************************************************************
  * grpc_buffer_user api
  */
diff --git a/src/core/lib/iomgr/buffer_pool.h b/src/core/lib/iomgr/buffer_pool.h
index 2774a44..2ffc5b6 100644
--- a/src/core/lib/iomgr/buffer_pool.h
+++ b/src/core/lib/iomgr/buffer_pool.h
@@ -41,6 +41,8 @@
 grpc_buffer_pool *grpc_buffer_pool_internal_ref(grpc_buffer_pool *buffer_pool);
 void grpc_buffer_pool_internal_unref(grpc_exec_ctx *exec_ctx,
                                      grpc_buffer_pool *buffer_pool);
+grpc_buffer_pool *grpc_buffer_pool_from_channel_args(
+    grpc_channel_args *channel_args);
 
 typedef enum {
   GRPC_BULIST_AWAITING_ALLOCATION,
diff --git a/src/core/lib/iomgr/tcp_client.h b/src/core/lib/iomgr/tcp_client.h
index 04e4108..b854e5a 100644
--- a/src/core/lib/iomgr/tcp_client.h
+++ b/src/core/lib/iomgr/tcp_client.h
@@ -39,6 +39,8 @@
 #include "src/core/lib/iomgr/pollset_set.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 
+#define GRPC_ARG_TCP_READ_CHUNK_SIZE "grpc.experimental.tcp_read_chunk_size"
+
 /* Asynchronously connect to an address (specified as (addr, len)), and call
    cb with arg and the completed connection when done (or call cb with arg and
    NULL on failure).
@@ -47,7 +49,7 @@
 void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *on_connect,
                              grpc_endpoint **endpoint,
                              grpc_pollset_set *interested_parties,
-                             grpc_buffer_pool *buffer_pool,
+                             const grpc_channel_args *channel_args,
                              const struct sockaddr *addr, size_t addr_len,
                              gpr_timespec deadline);
 
diff --git a/src/core/lib/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c
index 42ceb33..860a4f8 100644
--- a/src/core/lib/iomgr/tcp_client_posix.c
+++ b/src/core/lib/iomgr/tcp_client_posix.c
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_client_posix.h"
 
 #include <errno.h>
 #include <netinet/in.h>
@@ -47,6 +47,7 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/iomgr/ev_posix.h"
 #include "src/core/lib/iomgr/iomgr_posix.h"
 #include "src/core/lib/iomgr/sockaddr_utils.h"
@@ -69,7 +70,7 @@
   char *addr_str;
   grpc_endpoint **ep;
   grpc_closure *closure;
-  grpc_buffer_pool *buffer_pool;
+  grpc_channel_args *channel_args;
 } async_connect;
 
 static grpc_error *prepare_socket(const struct sockaddr *addr, int fd) {
@@ -115,11 +116,38 @@
   if (done) {
     gpr_mu_destroy(&ac->mu);
     gpr_free(ac->addr_str);
-    grpc_buffer_pool_internal_unref(exec_ctx, ac->buffer_pool);
+    grpc_channel_args_destroy(ac->channel_args);
     gpr_free(ac);
   }
 }
 
+grpc_endpoint *grpc_tcp_client_create_from_fd(
+    grpc_exec_ctx *exec_ctx, grpc_fd *fd, const grpc_channel_args *channel_args,
+    const char *addr_str) {
+  size_t tcp_read_chunk_size = GRPC_TCP_DEFAULT_READ_SLICE_SIZE;
+  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create();
+  if (channel_args != NULL) {
+    for (size_t i = 0; i < channel_args->num_args; i++) {
+      if (0 ==
+          strcmp(channel_args->args[i].key, GRPC_ARG_TCP_READ_CHUNK_SIZE)) {
+        grpc_integer_options options = {(int)tcp_read_chunk_size, 1,
+                                        8 * 1024 * 1024};
+        tcp_read_chunk_size = (size_t)grpc_channel_arg_get_integer(
+            &channel_args->args[i], options);
+      } else if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_BUFFER_POOL)) {
+        grpc_buffer_pool_internal_unref(exec_ctx, buffer_pool);
+        buffer_pool = grpc_buffer_pool_internal_ref(
+            channel_args->args[i].value.pointer.p);
+      }
+    }
+  }
+
+  grpc_endpoint *ep =
+      grpc_tcp_create(fd, buffer_pool, tcp_read_chunk_size, addr_str);
+  grpc_buffer_pool_internal_unref(exec_ctx, buffer_pool);
+  return ep;
+}
+
 static void on_writable(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) {
   async_connect *ac = acp;
   int so_error = 0;
@@ -192,8 +220,8 @@
       }
     } else {
       grpc_pollset_set_del_fd(exec_ctx, ac->interested_parties, fd);
-      *ep = grpc_tcp_create(fd, ac->buffer_pool,
-                            GRPC_TCP_DEFAULT_READ_SLICE_SIZE, ac->addr_str);
+      *ep = grpc_tcp_client_create_from_fd(exec_ctx, fd, ac->channel_args,
+                                           ac->addr_str);
       fd = NULL;
       goto finish;
     }
@@ -230,7 +258,7 @@
 static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx,
                                     grpc_closure *closure, grpc_endpoint **ep,
                                     grpc_pollset_set *interested_parties,
-                                    grpc_buffer_pool *buffer_pool,
+                                    const grpc_channel_args *channel_args,
                                     const struct sockaddr *addr,
                                     size_t addr_len, gpr_timespec deadline) {
   int fd;
@@ -279,8 +307,8 @@
   fdobj = grpc_fd_create(fd, name);
 
   if (err >= 0) {
-    *ep = grpc_tcp_create(fdobj, buffer_pool, GRPC_TCP_DEFAULT_READ_SLICE_SIZE,
-                          addr_str);
+    *ep =
+        grpc_tcp_client_create_from_fd(exec_ctx, fdobj, channel_args, addr_str);
     grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_NONE, NULL);
     goto done;
   }
@@ -305,7 +333,7 @@
   ac->refs = 2;
   ac->write_closure.cb = on_writable;
   ac->write_closure.cb_arg = ac;
-  ac->buffer_pool = grpc_buffer_pool_internal_ref(buffer_pool);
+  ac->channel_args = grpc_channel_args_copy(channel_args);
 
   if (grpc_tcp_trace) {
     gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: asynchronously connecting",
@@ -327,18 +355,18 @@
 // overridden by api_fuzzer.c
 void (*grpc_tcp_client_connect_impl)(
     grpc_exec_ctx *exec_ctx, grpc_closure *closure, grpc_endpoint **ep,
-    grpc_pollset_set *interested_parties, grpc_buffer_pool *buffer_pool,
+    grpc_pollset_set *interested_parties, const grpc_channel_args *channel_args,
     const struct sockaddr *addr, size_t addr_len,
     gpr_timespec deadline) = tcp_client_connect_impl;
 
 void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
                              grpc_endpoint **ep,
                              grpc_pollset_set *interested_parties,
-                             grpc_buffer_pool *buffer_pool,
+                             const grpc_channel_args *channel_args,
                              const struct sockaddr *addr, size_t addr_len,
                              gpr_timespec deadline) {
   grpc_tcp_client_connect_impl(exec_ctx, closure, ep, interested_parties,
-                               buffer_pool, addr, addr_len, deadline);
+                               channel_args, addr, addr_len, deadline);
 }
 
 #endif
diff --git a/src/core/lib/iomgr/tcp_client_posix.h b/src/core/lib/iomgr/tcp_client_posix.h
new file mode 100644
index 0000000..d8108b8
--- /dev/null
+++ b/src/core/lib/iomgr/tcp_client_posix.h
@@ -0,0 +1,45 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_CLIENT_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_TCP_CLIENT_POSIX_H
+
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+
+grpc_endpoint *grpc_tcp_client_create_from_fd(
+    grpc_exec_ctx *exec_ctx, grpc_fd *fd, const grpc_channel_args *channel_args,
+    const char *addr_str);
+
+#endif
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index b14ca64..19ceb16 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -917,6 +917,7 @@
 src/core/lib/iomgr/socket_utils_posix.h \
 src/core/lib/iomgr/socket_windows.h \
 src/core/lib/iomgr/tcp_client.h \
+src/core/lib/iomgr/tcp_client_posix.h \
 src/core/lib/iomgr/tcp_posix.h \
 src/core/lib/iomgr/tcp_server.h \
 src/core/lib/iomgr/tcp_windows.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 9d53f4d..8ed3c02 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -833,6 +833,7 @@
 src/core/lib/iomgr/socket_utils_posix.h \
 src/core/lib/iomgr/socket_windows.h \
 src/core/lib/iomgr/tcp_client.h \
+src/core/lib/iomgr/tcp_client_posix.h \
 src/core/lib/iomgr/tcp_posix.h \
 src/core/lib/iomgr/tcp_server.h \
 src/core/lib/iomgr/tcp_windows.h \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 681e2f5..6f7b48d 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -5998,6 +5998,7 @@
       "src/core/lib/iomgr/socket_utils_posix.h", 
       "src/core/lib/iomgr/socket_windows.h", 
       "src/core/lib/iomgr/tcp_client.h", 
+      "src/core/lib/iomgr/tcp_client_posix.h", 
       "src/core/lib/iomgr/tcp_posix.h", 
       "src/core/lib/iomgr/tcp_server.h", 
       "src/core/lib/iomgr/tcp_windows.h", 
@@ -6136,6 +6137,7 @@
       "src/core/lib/iomgr/socket_windows.h", 
       "src/core/lib/iomgr/tcp_client.h", 
       "src/core/lib/iomgr/tcp_client_posix.c", 
+      "src/core/lib/iomgr/tcp_client_posix.h", 
       "src/core/lib/iomgr/tcp_client_windows.c", 
       "src/core/lib/iomgr/tcp_posix.c", 
       "src/core/lib/iomgr/tcp_posix.h", 
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index d9587cb..497e370 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -417,6 +417,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_windows.h" />
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index 54f47d4..e26f385 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@@ -851,6 +851,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.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 d8a31f9..19e8438 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -413,6 +413,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_windows.h" />
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index d88c7c5..5b978fc 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -824,6 +824,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 8a6f2f2..e8776df 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -342,6 +342,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_windows.h" />
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index ce0e8a6..7ba7f33 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -803,6 +803,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.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 29feafa..296cd50 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -233,6 +233,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_windows.h" />
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 1ab09ae..9abbaef 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -581,6 +581,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.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 0273856..c843306 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -332,6 +332,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_windows.h" />
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index a4cdabc..3dda160 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -713,6 +713,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>