| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H |
| #define GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H |
| |
| #include <grpc/support/sync.h> |
| |
| #include "src/core/lib/iomgr/port.h" |
| |
| #ifdef GRPC_WINSOCK_SOCKET |
| #include "src/core/lib/iomgr/socket_windows.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* There isn't really any such thing as a pollset under Windows, due to the |
| nature of the IO completion ports. A Windows "pollset" is merely a mutex |
| used to synchronize with the IOCP, and workers are condition variables |
| used to block threads until work is ready. */ |
| |
| typedef enum { |
| GRPC_POLLSET_WORKER_LINK_POLLSET = 0, |
| GRPC_POLLSET_WORKER_LINK_GLOBAL, |
| GRPC_POLLSET_WORKER_LINK_TYPES |
| } grpc_pollset_worker_link_type; |
| |
| typedef struct grpc_pollset_worker_link { |
| struct grpc_pollset_worker* next; |
| struct grpc_pollset_worker* prev; |
| } grpc_pollset_worker_link; |
| |
| struct grpc_pollset; |
| typedef struct grpc_pollset grpc_pollset; |
| |
| typedef struct grpc_pollset_worker { |
| gpr_cv cv; |
| int kicked; |
| struct grpc_pollset* pollset; |
| grpc_pollset_worker_link links[GRPC_POLLSET_WORKER_LINK_TYPES]; |
| } grpc_pollset_worker; |
| |
| struct grpc_pollset { |
| int shutting_down; |
| int kicked_without_pollers; |
| int is_iocp_worker; |
| grpc_pollset_worker root_worker; |
| grpc_closure* on_shutdown; |
| }; |
| |
| void grpc_pollset_global_init(void); |
| void grpc_pollset_global_shutdown(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
| |
| #endif /* GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H */ |