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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_GPR_TLS_PTHREAD_H
#define GRPC_CORE_LIB_GPR_TLS_PTHREAD_H
#include <grpc/support/port_platform.h>
#include <grpc/support/log.h> /* for GPR_ASSERT */
#include <pthread.h>
/** Thread local storage based on pthread library calls.
#include tls.h to use this - and see that file for documentation */
struct gpr_pthread_thread_local {
pthread_key_t key;
};
/** Use GPR_TLS_DECL to declare tls static variables outside a class */
#define GPR_TLS_DECL(name) static struct gpr_pthread_thread_local name = {0}
/** Use GPR_TLS_CLASS_DECL to declare tls static variable members of a class.
* GPR_TLS_CLASS_DEF needs to be called to define this member. */
#define GPR_TLS_CLASS_DECL(name) static struct gpr_pthread_thread_local name
/** Use GPR_TLS_CLASS_DEF to declare tls static variable members of a class.
* GPR_TLS_CLASS_DEF needs to be called to define this member. */
#define GPR_TLS_CLASS_DEF(name) struct gpr_pthread_thread_local name = {0}
#define gpr_tls_init(tls) GPR_ASSERT(0 == pthread_key_create(&(tls)->key, NULL))
#define gpr_tls_destroy(tls) pthread_key_delete((tls)->key)
#define gpr_tls_get(tls) ((intptr_t)pthread_getspecific((tls)->key))
#ifdef __cplusplus
extern "C" {
#endif
intptr_t gpr_tls_set(struct gpr_pthread_thread_local* tls, intptr_t value);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_LIB_GPR_TLS_PTHREAD_H */
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