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_SRC_CORE_LIB_GPR_SUBPROCESS_H 20 #define GRPC_SRC_CORE_LIB_GPR_SUBPROCESS_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include <string> 25 26 typedef struct gpr_subprocess gpr_subprocess; 27 28 /// .exe on windows, empty on unices 29 const char* gpr_subprocess_binary_extension(); 30 31 gpr_subprocess* gpr_subprocess_create(int argc, const char** argv); 32 33 gpr_subprocess* gpr_subprocess_create_with_envp(int argc, const char** argv, 34 int envc, const char** envp); 35 36 // communicate to the subprocess via stdin, stdout and stderr 37 bool gpr_subprocess_communicate(gpr_subprocess* p, std::string& input_data, 38 std::string* output_data, std::string* error); 39 /// if subprocess has not been joined, kill it 40 void gpr_subprocess_destroy(gpr_subprocess* p); 41 /// returns exit status; can be called at most once 42 int gpr_subprocess_join(gpr_subprocess* p); 43 void gpr_subprocess_interrupt(gpr_subprocess* p); 44 int gpr_subprocess_get_process_id(gpr_subprocess* p); 45 46 #endif // GRPC_SRC_CORE_LIB_GPR_SUBPROCESS_H 47