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/*
*
* 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_BLOCK_ANNOTATE_H
#define GRPC_CORE_LIB_IOMGR_BLOCK_ANNOTATE_H
#ifdef __cplusplus
extern "C" {
#endif
void gpr_thd_start_blocking_region();
void gpr_thd_end_blocking_region();
#ifdef __cplusplus
}
#endif
/* These annotations identify the beginning and end of regions where
the code may block for reasons other than synchronization functions.
These include poll, epoll, and getaddrinfo. */
#ifdef GRPC_SCHEDULING_MARK_BLOCKING_REGION
#define GRPC_SCHEDULING_START_BLOCKING_REGION \
do { \
gpr_thd_start_blocking_region(); \
} while (0)
#define GRPC_SCHEDULING_END_BLOCKING_REGION_NO_EXEC_CTX \
do { \
gpr_thd_end_blocking_region(); \
} while (0)
#define GRPC_SCHEDULING_END_BLOCKING_REGION_WITH_EXEC_CTX(ec) \
do { \
gpr_thd_end_blocking_region(); \
grpc_exec_ctx_invalidate_now((ec)); \
} while (0)
#else
#define GRPC_SCHEDULING_START_BLOCKING_REGION \
do { \
} while (0)
#define GRPC_SCHEDULING_END_BLOCKING_REGION_NO_EXEC_CTX \
do { \
} while (0)
#define GRPC_SCHEDULING_END_BLOCKING_REGION_WITH_EXEC_CTX(ec) \
do { \
grpc_exec_ctx_invalidate_now((ec)); \
} while (0)
#endif
#endif /* GRPC_CORE_LIB_IOMGR_BLOCK_ANNOTATE_H */
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