1 /* vsystem.cpp 2 * Copyright (C) 2021 Sven Jähnichen 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <https://www.gnu.org/licenses/>. 16 */ 17 18 #include "vsystem.hpp" 19 #include <unistd.h> 20 #include <cstdio> 21 22 namespace BUtilities 23 { 24 vexec(char * argv[])25[[noreturn]] static void vexec (char* argv[]) 26 { 27 execvp (argv[0], argv); 28 perror ("execvp"); 29 _exit (1); 30 } 31 vsystem(char * argv[])32int vsystem (char* argv[]) 33 { 34 pid_t pid = vfork(); 35 if (pid != 0) return pid; 36 vexec (argv); 37 return 0; 38 } 39 40 } 41