1 /* 2 * Copyright 2015 Andrew Ayer 3 * 4 * This file is part of git-crypt. 5 * 6 * git-crypt is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * git-crypt is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with git-crypt. If not, see <http://www.gnu.org/licenses/>. 18 * 19 * Additional permission under GNU GPL version 3 section 7: 20 * 21 * If you modify the Program, or any covered work, by linking or 22 * combining it with the OpenSSL project's OpenSSL library (or a 23 * modified version of that library), containing parts covered by the 24 * terms of the OpenSSL or SSLeay licenses, the licensors of the Program 25 * grant you additional permission to convey the resulting work. 26 * Corresponding Source for a non-source form of such a combination 27 * shall include the source code for the parts of OpenSSL used as well 28 * as that of the covered work. 29 */ 30 31 #ifndef GIT_CRYPT_COPROCESS_HPP 32 #define GIT_CRYPT_COPROCESS_HPP 33 34 #include "fhstream.hpp" 35 #include <unistd.h> 36 #include <vector> 37 38 class Coprocess { 39 pid_t pid; 40 41 int stdin_pipe_reader; 42 int stdin_pipe_writer; 43 ofhstream* stdin_pipe_ostream; 44 static size_t write_stdin (void*, const void*, size_t); 45 46 int stdout_pipe_reader; 47 int stdout_pipe_writer; 48 ifhstream* stdout_pipe_istream; 49 static size_t read_stdout (void*, void*, size_t); 50 51 Coprocess (const Coprocess&); // Disallow copy 52 Coprocess& operator= (const Coprocess&); // Disallow assignment 53 public: 54 Coprocess (); 55 ~Coprocess (); 56 57 std::ostream* stdin_pipe (); 58 void close_stdin (); 59 60 std::istream* stdout_pipe (); 61 void close_stdout (); 62 63 void spawn (const std::vector<std::string>&); 64 65 int wait (); 66 }; 67 68 #endif 69