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_CORE_LIB_IOMGR_BLOCK_ANNOTATE_H 20 #define GRPC_CORE_LIB_IOMGR_BLOCK_ANNOTATE_H 21 22 void gpr_thd_start_blocking_region(); 23 void gpr_thd_end_blocking_region(); 24 25 /* These annotations identify the beginning and end of regions where 26 the code may block for reasons other than synchronization functions. 27 These include poll, epoll, and getaddrinfo. */ 28 29 #ifdef GRPC_SCHEDULING_MARK_BLOCKING_REGION 30 #define GRPC_SCHEDULING_START_BLOCKING_REGION \ 31 do { \ 32 gpr_thd_start_blocking_region(); \ 33 } while (0) 34 #define GRPC_SCHEDULING_END_BLOCKING_REGION \ 35 do { \ 36 gpr_thd_end_blocking_region(); \ 37 grpc_core::ExecCtx::Get()->InvalidateNow(); \ 38 } while (0) 39 #define GRPC_SCHEDULING_END_BLOCKING_REGION_NO_EXEC_CTX \ 40 do { \ 41 gpr_thd_end_blocking_region(); \ 42 } while (0) 43 44 #else 45 #define GRPC_SCHEDULING_START_BLOCKING_REGION \ 46 do { \ 47 } while (0) 48 #define GRPC_SCHEDULING_END_BLOCKING_REGION \ 49 do { \ 50 grpc_core::ExecCtx::Get()->InvalidateNow(); \ 51 } while (0) 52 #define GRPC_SCHEDULING_END_BLOCKING_REGION_NO_EXEC_CTX \ 53 do { \ 54 } while (0) 55 #endif 56 57 #endif /* GRPC_CORE_LIB_IOMGR_BLOCK_ANNOTATE_H */ 58
