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_GPR_TLS_GCC_H 20 #define GRPC_CORE_LIB_GPR_TLS_GCC_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include <stdbool.h> 25 26 #include <grpc/support/log.h> 27 28 /** Thread local storage based on gcc compiler primitives. 29 #include tls.h to use this - and see that file for documentation */ 30 31 struct gpr_gcc_thread_local { 32 intptr_t value; 33 }; 34 35 #define GPR_TLS_DECL(name) \ 36 static __thread struct gpr_gcc_thread_local name = {0} 37 38 #define GPR_TLS_CLASS_DECL(name) \ 39 static __thread struct gpr_gcc_thread_local name 40 41 #define GPR_TLS_CLASS_DEF(name) __thread struct gpr_gcc_thread_local name = {0} 42 43 #define gpr_tls_init(tls) \ 44 do { \ 45 } while (0) 46 #define gpr_tls_destroy(tls) \ 47 do { \ 48 } while (0) 49 #define gpr_tls_set(tls, new_value) (((tls)->value) = (new_value)) 50 #define gpr_tls_get(tls) ((tls)->value) 51 52 #endif /* GRPC_CORE_LIB_GPR_TLS_GCC_H */ 53