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_MSVC_H 20 #define GRPC_CORE_LIB_GPR_TLS_MSVC_H 21 22 /** Thread local storage based on ms visual c compiler primitives. 23 #include <grpc/support/port_platform.h> 24 25 #include tls.h to use this - and see that file for documentation */ 26 27 #include <cstdint> 28 29 struct gpr_msvc_thread_local { 30 intptr_t value; 31 }; 32 33 /** Use GPR_TLS_DECL to declare tls static variables outside a class */ 34 #define GPR_TLS_DECL(name) \ 35 static __declspec(thread) struct gpr_msvc_thread_local name = {0} 36 37 /** Use GPR_TLS_CLASS_DECL to declare tls static variable members of a class. 38 * GPR_TLS_CLASS_DEF needs to be called to define this member. */ 39 #define GPR_TLS_CLASS_DECL(name) \ 40 static __declspec(thread) struct gpr_msvc_thread_local name 41 42 #define GPR_TLS_CLASS_DEF(name) \ 43 __declspec(thread) struct gpr_msvc_thread_local name = {0} 44 45 #define gpr_tls_init(tls) \ 46 do { \ 47 } while (0) 48 #define gpr_tls_destroy(tls) \ 49 do { \ 50 } while (0) 51 #define gpr_tls_set(tls, new_value) (((tls)->value) = (new_value)) 52 #define gpr_tls_get(tls) ((tls)->value) 53 54 #endif /* GRPC_CORE_LIB_GPR_TLS_MSVC_H */ 55