| /* |
| * |
| * 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 */ |