/* * Copyright (c) International Business Machines Corp., 2005 * Author: Ram Pai (linuxram@us.ibm.com) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #define _GNU_SOURCE #include <stdlib.h> #include <stdio.h> #include <string.h> #include <sched.h> #include <signal.h> #include <unistd.h> #include "test.h" #include <sys/types.h> #include <sys/wait.h> int myfunc(void *arg) { return system(arg); } static void usage(char *cmd) { printf("%s child_script parent_script\n", cmd); } int main(int argc, char *argv[]) { char *child_cmd; char *parent_cmd; int ret = 0, childret = 0; if (argc < 3) { usage(argv[0]); exit(1); } child_cmd = (char *)strdup(argv[2]); parent_cmd = (char *)strdup(argv[1]); printf("1\n"); ret = ltp_clone_quick(CLONE_NEWNS | SIGCHLD, myfunc, (void *)child_cmd); if (ret != -1) { system(parent_cmd); wait(&childret); } else { fprintf(stderr, "clone failed\n"); } if (ret || !WIFEXITED(childret)) { exit(1); } exit(0); }