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 #ifndef GRPC_SRC_CORE_LIB_IOMGR_IOCP_WINDOWS_H 20 #define GRPC_SRC_CORE_LIB_IOMGR_IOCP_WINDOWS_H 21 22 #include <grpc/support/port_platform.h> 23 #include <grpc/support/sync.h> 24 25 #include "src/core/lib/iomgr/port.h" 26 27 #ifdef GRPC_WINSOCK_SOCKET 28 29 #include "src/core/lib/iomgr/exec_ctx.h" 30 #include "src/core/lib/iomgr/socket_windows.h" 31 32 typedef enum { 33 GRPC_IOCP_WORK_WORK, 34 GRPC_IOCP_WORK_TIMEOUT, 35 GRPC_IOCP_WORK_KICK 36 } grpc_iocp_work_status; 37 38 grpc_iocp_work_status grpc_iocp_work(grpc_core::Timestamp deadline); 39 void grpc_iocp_init(void); 40 void grpc_iocp_kick(void); 41 void grpc_iocp_flush(void); 42 void grpc_iocp_shutdown(void); 43 void grpc_iocp_add_socket(grpc_winsocket*); 44 45 // Register that this socket has started shutting down. 46 // This prevents gRPC from completing its own shutdown until this socket's 47 // shutdown is finished. IOCP must continue doing work until all such sockets 48 // have finished shutting down. The socket's state_mu must be locked. 49 void grpc_iocp_register_socket_shutdown_socket_locked(grpc_winsocket* socket); 50 51 // Mark that this socket has finished shutting down. 52 // The socket's state lock does not need to be held since this function is only 53 // called once the socket is ready to be destroyed. 54 void grpc_iocp_finish_socket_shutdown(grpc_winsocket* socket); 55 56 #endif 57 58 #endif // GRPC_SRC_CORE_LIB_IOMGR_IOCP_WINDOWS_H 59