src/core/lib/iomgr/iomgr_posix.cc

   1 /*
   2  *
   3  * Copyright 2015 gRPC authors.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  */
  18
  19 #include <grpc/support/port_platform.h>
  20
  21 #include "src/core/lib/iomgr/port.h"
  22
  23 #ifdef GRPC_POSIX_SOCKET_IOMGR
  24
  25 #include "src/core/lib/debug/trace.h"
  26 #include "src/core/lib/iomgr/ev_posix.h"
  27 #include "src/core/lib/iomgr/iomgr_internal.h"
  28 #include "src/core/lib/iomgr/resolve_address.h"
  29 #include "src/core/lib/iomgr/tcp_client.h"
  30 #include "src/core/lib/iomgr/tcp_posix.h"
  31 #include "src/core/lib/iomgr/tcp_server.h"
  32 #include "src/core/lib/iomgr/timer.h"
  33
  34 extern grpc_tcp_server_vtable grpc_posix_tcp_server_vtable;
  35 extern grpc_tcp_client_vtable grpc_posix_tcp_client_vtable;
  36 extern grpc_timer_vtable grpc_generic_timer_vtable;
  37 extern grpc_pollset_vtable grpc_posix_pollset_vtable;
  38 extern grpc_pollset_set_vtable grpc_posix_pollset_set_vtable;
  39 extern grpc_address_resolver_vtable grpc_posix_resolver_vtable;
  40
  41 static void iomgr_platform_init(void) {
  42   grpc_wakeup_fd_global_init();
  43   grpc_event_engine_init();
  44 }
  45
  46 static void iomgr_platform_flush(void) {}
  47
  48 static void iomgr_platform_shutdown(void) {
  49   grpc_event_engine_shutdown();
  50   grpc_wakeup_fd_global_destroy();
  51 }
  52
  53 static void iomgr_platform_shutdown_background_closure(void) {
  54   grpc_shutdown_background_closure();
  55 }
  56
  57 static bool iomgr_platform_is_any_background_poller_thread(void) {
  58   return grpc_is_any_background_poller_thread();
  59 }
  60
  61 static bool iomgr_platform_add_closure_to_background_poller(
  62     grpc_closure* closure, grpc_error* error) {
  63   return grpc_add_closure_to_background_poller(closure, error);
  64 }
  65
  66 static grpc_iomgr_platform_vtable vtable = {
  67     iomgr_platform_init,
  68     iomgr_platform_flush,
  69     iomgr_platform_shutdown,
  70     iomgr_platform_shutdown_background_closure,
  71     iomgr_platform_is_any_background_poller_thread,
  72     iomgr_platform_add_closure_to_background_poller};
  73
  74 void grpc_set_default_iomgr_platform() {
  75   grpc_set_tcp_client_impl(&grpc_posix_tcp_client_vtable);
  76   grpc_set_tcp_server_impl(&grpc_posix_tcp_server_vtable);
  77   grpc_set_timer_impl(&grpc_generic_timer_vtable);
  78   grpc_set_pollset_vtable(&grpc_posix_pollset_vtable);
  79   grpc_set_pollset_set_vtable(&grpc_posix_pollset_set_vtable);
  80   grpc_set_resolver_impl(&grpc_posix_resolver_vtable);
  81   grpc_set_iomgr_platform_vtable(&vtable);
  82 }
  83
  84 bool grpc_iomgr_run_in_background() {
  85   return grpc_event_engine_run_in_background();
  86 }
  87
  88 #endif /* GRPC_POSIX_SOCKET_IOMGR */