1 /* 2 * 3 * Copyright 2017 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_IMPL_CODEGEN_FORK_H 20 #define GRPC_IMPL_CODEGEN_FORK_H 21 22 /** 23 * gRPC applications should call this before calling fork(). There should be no 24 * active gRPC function calls between calling grpc_prefork() and 25 * grpc_postfork_parent()/grpc_postfork_child(). 26 * 27 * 28 * Typical use: 29 * grpc_prefork(); 30 * int pid = fork(); 31 * if (pid) { 32 * grpc_postfork_parent(); 33 * // Parent process.. 34 * } else { 35 * grpc_postfork_child(); 36 * // Child process... 37 * } 38 */ 39 40 void grpc_prefork(void); 41 42 void grpc_postfork_parent(void); 43 44 void grpc_postfork_child(void); 45 46 void grpc_fork_handlers_auto_register(void); 47 48 #endif /* GRPC_IMPL_CODEGEN_FORK_H */ 49