1 files changed, 90 insertions, 24 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e0724d10aa..3e58593fb1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -893,6 +893,8 @@ add_library(grpc
   src/core/lib/iomgr/gethostname_sysconf.cc
   src/core/lib/iomgr/iocp_windows.cc
   src/core/lib/iomgr/iomgr.cc
+  src/core/lib/iomgr/iomgr_custom.cc
+  src/core/lib/iomgr/iomgr_internal.cc
   src/core/lib/iomgr/iomgr_posix.cc
   src/core/lib/iomgr/iomgr_uv.cc
   src/core/lib/iomgr/iomgr_windows.cc
@@ -901,12 +903,16 @@ add_library(grpc
   src/core/lib/iomgr/lockfree_event.cc
   src/core/lib/iomgr/network_status_tracker.cc
   src/core/lib/iomgr/polling_entity.cc
-  src/core/lib/iomgr/pollset_set_uv.cc
+  src/core/lib/iomgr/pollset.cc
+  src/core/lib/iomgr/pollset_custom.cc
+  src/core/lib/iomgr/pollset_set.cc
+  src/core/lib/iomgr/pollset_set_custom.cc
   src/core/lib/iomgr/pollset_set_windows.cc
   src/core/lib/iomgr/pollset_uv.cc
   src/core/lib/iomgr/pollset_windows.cc
+  src/core/lib/iomgr/resolve_address.cc
+  src/core/lib/iomgr/resolve_address_custom.cc
   src/core/lib/iomgr/resolve_address_posix.cc
-  src/core/lib/iomgr/resolve_address_uv.cc
   src/core/lib/iomgr/resolve_address_windows.cc
   src/core/lib/iomgr/resource_quota.cc
   src/core/lib/iomgr/sockaddr_utils.cc
@@ -918,19 +924,24 @@ add_library(grpc
   src/core/lib/iomgr/socket_utils_uv.cc
   src/core/lib/iomgr/socket_utils_windows.cc
   src/core/lib/iomgr/socket_windows.cc
+  src/core/lib/iomgr/tcp_client.cc
+  src/core/lib/iomgr/tcp_client_custom.cc
   src/core/lib/iomgr/tcp_client_posix.cc
-  src/core/lib/iomgr/tcp_client_uv.cc
   src/core/lib/iomgr/tcp_client_windows.cc
+  src/core/lib/iomgr/tcp_custom.cc
   src/core/lib/iomgr/tcp_posix.cc
+  src/core/lib/iomgr/tcp_server.cc
+  src/core/lib/iomgr/tcp_server_custom.cc
   src/core/lib/iomgr/tcp_server_posix.cc
   src/core/lib/iomgr/tcp_server_utils_posix_common.cc
   src/core/lib/iomgr/tcp_server_utils_posix_ifaddrs.cc
   src/core/lib/iomgr/tcp_server_utils_posix_noifaddrs.cc
-  src/core/lib/iomgr/tcp_server_uv.cc
   src/core/lib/iomgr/tcp_server_windows.cc
   src/core/lib/iomgr/tcp_uv.cc
   src/core/lib/iomgr/tcp_windows.cc
   src/core/lib/iomgr/time_averaged_stats.cc
+  src/core/lib/iomgr/timer.cc
+  src/core/lib/iomgr/timer_custom.cc
   src/core/lib/iomgr/timer_generic.cc
   src/core/lib/iomgr/timer_heap.cc
   src/core/lib/iomgr/timer_manager.cc
@@ -1268,6 +1279,8 @@ add_library(grpc_cronet
   src/core/lib/iomgr/gethostname_sysconf.cc
   src/core/lib/iomgr/iocp_windows.cc
   src/core/lib/iomgr/iomgr.cc
+  src/core/lib/iomgr/iomgr_custom.cc
+  src/core/lib/iomgr/iomgr_internal.cc
   src/core/lib/iomgr/iomgr_posix.cc
   src/core/lib/iomgr/iomgr_uv.cc
   src/core/lib/iomgr/iomgr_windows.cc
@@ -1276,12 +1289,16 @@ add_library(grpc_cronet
   src/core/lib/iomgr/lockfree_event.cc
   src/core/lib/iomgr/network_status_tracker.cc
   src/core/lib/iomgr/polling_entity.cc
-  src/core/lib/iomgr/pollset_set_uv.cc
+  src/core/lib/iomgr/pollset.cc
+  src/core/lib/iomgr/pollset_custom.cc
+  src/core/lib/iomgr/pollset_set.cc
+  src/core/lib/iomgr/pollset_set_custom.cc
   src/core/lib/iomgr/pollset_set_windows.cc
   src/core/lib/iomgr/pollset_uv.cc
   src/core/lib/iomgr/pollset_windows.cc
+  src/core/lib/iomgr/resolve_address.cc
+  src/core/lib/iomgr/resolve_address_custom.cc
   src/core/lib/iomgr/resolve_address_posix.cc
-  src/core/lib/iomgr/resolve_address_uv.cc
   src/core/lib/iomgr/resolve_address_windows.cc
   src/core/lib/iomgr/resource_quota.cc
   src/core/lib/iomgr/sockaddr_utils.cc
@@ -1293,19 +1310,24 @@ add_library(grpc_cronet
   src/core/lib/iomgr/socket_utils_uv.cc
   src/core/lib/iomgr/socket_utils_windows.cc
   src/core/lib/iomgr/socket_windows.cc
+  src/core/lib/iomgr/tcp_client.cc
+  src/core/lib/iomgr/tcp_client_custom.cc
   src/core/lib/iomgr/tcp_client_posix.cc
-  src/core/lib/iomgr/tcp_client_uv.cc
   src/core/lib/iomgr/tcp_client_windows.cc
+  src/core/lib/iomgr/tcp_custom.cc
   src/core/lib/iomgr/tcp_posix.cc
+  src/core/lib/iomgr/tcp_server.cc
+  src/core/lib/iomgr/tcp_server_custom.cc
   src/core/lib/iomgr/tcp_server_posix.cc
   src/core/lib/iomgr/tcp_server_utils_posix_common.cc
   src/core/lib/iomgr/tcp_server_utils_posix_ifaddrs.cc
   src/core/lib/iomgr/tcp_server_utils_posix_noifaddrs.cc
-  src/core/lib/iomgr/tcp_server_uv.cc
   src/core/lib/iomgr/tcp_server_windows.cc
   src/core/lib/iomgr/tcp_uv.cc
   src/core/lib/iomgr/tcp_windows.cc
   src/core/lib/iomgr/time_averaged_stats.cc
+  src/core/lib/iomgr/timer.cc
+  src/core/lib/iomgr/timer_custom.cc
   src/core/lib/iomgr/timer_generic.cc
   src/core/lib/iomgr/timer_heap.cc
   src/core/lib/iomgr/timer_manager.cc
@@ -1634,6 +1656,8 @@ add_library(grpc_test_util
   src/core/lib/iomgr/gethostname_sysconf.cc
   src/core/lib/iomgr/iocp_windows.cc
   src/core/lib/iomgr/iomgr.cc
+  src/core/lib/iomgr/iomgr_custom.cc
+  src/core/lib/iomgr/iomgr_internal.cc
   src/core/lib/iomgr/iomgr_posix.cc
   src/core/lib/iomgr/iomgr_uv.cc
   src/core/lib/iomgr/iomgr_windows.cc
@@ -1642,12 +1666,16 @@ add_library(grpc_test_util
   src/core/lib/iomgr/lockfree_event.cc
   src/core/lib/iomgr/network_status_tracker.cc
   src/core/lib/iomgr/polling_entity.cc
-  src/core/lib/iomgr/pollset_set_uv.cc
+  src/core/lib/iomgr/pollset.cc
+  src/core/lib/iomgr/pollset_custom.cc
+  src/core/lib/iomgr/pollset_set.cc
+  src/core/lib/iomgr/pollset_set_custom.cc
   src/core/lib/iomgr/pollset_set_windows.cc
   src/core/lib/iomgr/pollset_uv.cc
   src/core/lib/iomgr/pollset_windows.cc
+  src/core/lib/iomgr/resolve_address.cc
+  src/core/lib/iomgr/resolve_address_custom.cc
   src/core/lib/iomgr/resolve_address_posix.cc
-  src/core/lib/iomgr/resolve_address_uv.cc
   src/core/lib/iomgr/resolve_address_windows.cc
   src/core/lib/iomgr/resource_quota.cc
   src/core/lib/iomgr/sockaddr_utils.cc
@@ -1659,19 +1687,24 @@ add_library(grpc_test_util
   src/core/lib/iomgr/socket_utils_uv.cc
   src/core/lib/iomgr/socket_utils_windows.cc
   src/core/lib/iomgr/socket_windows.cc
+  src/core/lib/iomgr/tcp_client.cc
+  src/core/lib/iomgr/tcp_client_custom.cc
   src/core/lib/iomgr/tcp_client_posix.cc
-  src/core/lib/iomgr/tcp_client_uv.cc
   src/core/lib/iomgr/tcp_client_windows.cc
+  src/core/lib/iomgr/tcp_custom.cc
   src/core/lib/iomgr/tcp_posix.cc
+  src/core/lib/iomgr/tcp_server.cc
+  src/core/lib/iomgr/tcp_server_custom.cc
   src/core/lib/iomgr/tcp_server_posix.cc
   src/core/lib/iomgr/tcp_server_utils_posix_common.cc
   src/core/lib/iomgr/tcp_server_utils_posix_ifaddrs.cc
   src/core/lib/iomgr/tcp_server_utils_posix_noifaddrs.cc
-  src/core/lib/iomgr/tcp_server_uv.cc
   src/core/lib/iomgr/tcp_server_windows.cc
   src/core/lib/iomgr/tcp_uv.cc
   src/core/lib/iomgr/tcp_windows.cc
   src/core/lib/iomgr/time_averaged_stats.cc
+  src/core/lib/iomgr/timer.cc
+  src/core/lib/iomgr/timer_custom.cc
   src/core/lib/iomgr/timer_generic.cc
   src/core/lib/iomgr/timer_heap.cc
   src/core/lib/iomgr/timer_manager.cc
@@ -1923,6 +1956,8 @@ add_library(grpc_test_util_unsecure
   src/core/lib/iomgr/gethostname_sysconf.cc
   src/core/lib/iomgr/iocp_windows.cc
   src/core/lib/iomgr/iomgr.cc
+  src/core/lib/iomgr/iomgr_custom.cc
+  src/core/lib/iomgr/iomgr_internal.cc
   src/core/lib/iomgr/iomgr_posix.cc
   src/core/lib/iomgr/iomgr_uv.cc
   src/core/lib/iomgr/iomgr_windows.cc
@@ -1931,12 +1966,16 @@ add_library(grpc_test_util_unsecure
   src/core/lib/iomgr/lockfree_event.cc
   src/core/lib/iomgr/network_status_tracker.cc
   src/core/lib/iomgr/polling_entity.cc
-  src/core/lib/iomgr/pollset_set_uv.cc
+  src/core/lib/iomgr/pollset.cc
+  src/core/lib/iomgr/pollset_custom.cc
+  src/core/lib/iomgr/pollset_set.cc
+  src/core/lib/iomgr/pollset_set_custom.cc
   src/core/lib/iomgr/pollset_set_windows.cc
   src/core/lib/iomgr/pollset_uv.cc
   src/core/lib/iomgr/pollset_windows.cc
+  src/core/lib/iomgr/resolve_address.cc
+  src/core/lib/iomgr/resolve_address_custom.cc
   src/core/lib/iomgr/resolve_address_posix.cc
-  src/core/lib/iomgr/resolve_address_uv.cc
   src/core/lib/iomgr/resolve_address_windows.cc
   src/core/lib/iomgr/resource_quota.cc
   src/core/lib/iomgr/sockaddr_utils.cc
@@ -1948,19 +1987,24 @@ add_library(grpc_test_util_unsecure
   src/core/lib/iomgr/socket_utils_uv.cc
   src/core/lib/iomgr/socket_utils_windows.cc
   src/core/lib/iomgr/socket_windows.cc
+  src/core/lib/iomgr/tcp_client.cc
+  src/core/lib/iomgr/tcp_client_custom.cc
   src/core/lib/iomgr/tcp_client_posix.cc
-  src/core/lib/iomgr/tcp_client_uv.cc
   src/core/lib/iomgr/tcp_client_windows.cc
+  src/core/lib/iomgr/tcp_custom.cc
   src/core/lib/iomgr/tcp_posix.cc
+  src/core/lib/iomgr/tcp_server.cc
+  src/core/lib/iomgr/tcp_server_custom.cc
   src/core/lib/iomgr/tcp_server_posix.cc
   src/core/lib/iomgr/tcp_server_utils_posix_common.cc
   src/core/lib/iomgr/tcp_server_utils_posix_ifaddrs.cc
   src/core/lib/iomgr/tcp_server_utils_posix_noifaddrs.cc
-  src/core/lib/iomgr/tcp_server_uv.cc
   src/core/lib/iomgr/tcp_server_windows.cc
   src/core/lib/iomgr/tcp_uv.cc
   src/core/lib/iomgr/tcp_windows.cc
   src/core/lib/iomgr/time_averaged_stats.cc
+  src/core/lib/iomgr/timer.cc
+  src/core/lib/iomgr/timer_custom.cc
   src/core/lib/iomgr/timer_generic.cc
   src/core/lib/iomgr/timer_heap.cc
   src/core/lib/iomgr/timer_manager.cc
@@ -2192,6 +2236,8 @@ add_library(grpc_unsecure
   src/core/lib/iomgr/gethostname_sysconf.cc
   src/core/lib/iomgr/iocp_windows.cc
   src/core/lib/iomgr/iomgr.cc
+  src/core/lib/iomgr/iomgr_custom.cc
+  src/core/lib/iomgr/iomgr_internal.cc
   src/core/lib/iomgr/iomgr_posix.cc
   src/core/lib/iomgr/iomgr_uv.cc
   src/core/lib/iomgr/iomgr_windows.cc
@@ -2200,12 +2246,16 @@ add_library(grpc_unsecure
   src/core/lib/iomgr/lockfree_event.cc
   src/core/lib/iomgr/network_status_tracker.cc
   src/core/lib/iomgr/polling_entity.cc
-  src/core/lib/iomgr/pollset_set_uv.cc
+  src/core/lib/iomgr/pollset.cc
+  src/core/lib/iomgr/pollset_custom.cc
+  src/core/lib/iomgr/pollset_set.cc
+  src/core/lib/iomgr/pollset_set_custom.cc
   src/core/lib/iomgr/pollset_set_windows.cc
   src/core/lib/iomgr/pollset_uv.cc
   src/core/lib/iomgr/pollset_windows.cc
+  src/core/lib/iomgr/resolve_address.cc
+  src/core/lib/iomgr/resolve_address_custom.cc
   src/core/lib/iomgr/resolve_address_posix.cc
-  src/core/lib/iomgr/resolve_address_uv.cc
   src/core/lib/iomgr/resolve_address_windows.cc
   src/core/lib/iomgr/resource_quota.cc
   src/core/lib/iomgr/sockaddr_utils.cc
@@ -2217,19 +2267,24 @@ add_library(grpc_unsecure
   src/core/lib/iomgr/socket_utils_uv.cc
   src/core/lib/iomgr/socket_utils_windows.cc
   src/core/lib/iomgr/socket_windows.cc
+  src/core/lib/iomgr/tcp_client.cc
+  src/core/lib/iomgr/tcp_client_custom.cc
   src/core/lib/iomgr/tcp_client_posix.cc
-  src/core/lib/iomgr/tcp_client_uv.cc
   src/core/lib/iomgr/tcp_client_windows.cc
+  src/core/lib/iomgr/tcp_custom.cc
   src/core/lib/iomgr/tcp_posix.cc
+  src/core/lib/iomgr/tcp_server.cc
+  src/core/lib/iomgr/tcp_server_custom.cc
   src/core/lib/iomgr/tcp_server_posix.cc
   src/core/lib/iomgr/tcp_server_utils_posix_common.cc
   src/core/lib/iomgr/tcp_server_utils_posix_ifaddrs.cc
   src/core/lib/iomgr/tcp_server_utils_posix_noifaddrs.cc
-  src/core/lib/iomgr/tcp_server_uv.cc
   src/core/lib/iomgr/tcp_server_windows.cc
   src/core/lib/iomgr/tcp_uv.cc
   src/core/lib/iomgr/tcp_windows.cc
   src/core/lib/iomgr/time_averaged_stats.cc
+  src/core/lib/iomgr/timer.cc
+  src/core/lib/iomgr/timer_custom.cc
   src/core/lib/iomgr/timer_generic.cc
   src/core/lib/iomgr/timer_heap.cc
   src/core/lib/iomgr/timer_manager.cc
@@ -2995,6 +3050,8 @@ add_library(grpc++_cronet
   src/core/lib/iomgr/gethostname_sysconf.cc
   src/core/lib/iomgr/iocp_windows.cc
   src/core/lib/iomgr/iomgr.cc
+  src/core/lib/iomgr/iomgr_custom.cc
+  src/core/lib/iomgr/iomgr_internal.cc
   src/core/lib/iomgr/iomgr_posix.cc
   src/core/lib/iomgr/iomgr_uv.cc
   src/core/lib/iomgr/iomgr_windows.cc
@@ -3003,12 +3060,16 @@ add_library(grpc++_cronet
   src/core/lib/iomgr/lockfree_event.cc
   src/core/lib/iomgr/network_status_tracker.cc
   src/core/lib/iomgr/polling_entity.cc
-  src/core/lib/iomgr/pollset_set_uv.cc
+  src/core/lib/iomgr/pollset.cc
+  src/core/lib/iomgr/pollset_custom.cc
+  src/core/lib/iomgr/pollset_set.cc
+  src/core/lib/iomgr/pollset_set_custom.cc
   src/core/lib/iomgr/pollset_set_windows.cc
   src/core/lib/iomgr/pollset_uv.cc
   src/core/lib/iomgr/pollset_windows.cc
+  src/core/lib/iomgr/resolve_address.cc
+  src/core/lib/iomgr/resolve_address_custom.cc
   src/core/lib/iomgr/resolve_address_posix.cc
-  src/core/lib/iomgr/resolve_address_uv.cc
   src/core/lib/iomgr/resolve_address_windows.cc
   src/core/lib/iomgr/resource_quota.cc
   src/core/lib/iomgr/sockaddr_utils.cc
@@ -3020,19 +3081,24 @@ add_library(grpc++_cronet
   src/core/lib/iomgr/socket_utils_uv.cc
   src/core/lib/iomgr/socket_utils_windows.cc
   src/core/lib/iomgr/socket_windows.cc
+  src/core/lib/iomgr/tcp_client.cc
+  src/core/lib/iomgr/tcp_client_custom.cc
   src/core/lib/iomgr/tcp_client_posix.cc
-  src/core/lib/iomgr/tcp_client_uv.cc
   src/core/lib/iomgr/tcp_client_windows.cc
+  src/core/lib/iomgr/tcp_custom.cc
   src/core/lib/iomgr/tcp_posix.cc
+  src/core/lib/iomgr/tcp_server.cc
+  src/core/lib/iomgr/tcp_server_custom.cc
   src/core/lib/iomgr/tcp_server_posix.cc
   src/core/lib/iomgr/tcp_server_utils_posix_common.cc
   src/core/lib/iomgr/tcp_server_utils_posix_ifaddrs.cc
   src/core/lib/iomgr/tcp_server_utils_posix_noifaddrs.cc
-  src/core/lib/iomgr/tcp_server_uv.cc
   src/core/lib/iomgr/tcp_server_windows.cc
   src/core/lib/iomgr/tcp_uv.cc
   src/core/lib/iomgr/tcp_windows.cc
   src/core/lib/iomgr/time_averaged_stats.cc
+  src/core/lib/iomgr/timer.cc
+  src/core/lib/iomgr/timer_custom.cc
   src/core/lib/iomgr/timer_generic.cc
   src/core/lib/iomgr/timer_heap.cc
   src/core/lib/iomgr/timer_manager.cc