1 /*
2 * Copyright (c) International Business Machines Corp., 2005
3 * Author: Ram Pai (linuxram@us.ibm.com)
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 #define _GNU_SOURCE
21
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <string.h>
25 #include <sched.h>
26 #include <signal.h>
27 #include <unistd.h>
28 #include "test.h"
29 #include <sys/types.h>
30 #include <sys/wait.h>
31
myfunc(void * arg)32 int myfunc(void *arg)
33 {
34 return system(arg);
35 }
36
usage(char * cmd)37 static void usage(char *cmd)
38 {
39 printf("%s child_script parent_script\n", cmd);
40 }
41
main(int argc,char * argv[])42 int main(int argc, char *argv[])
43 {
44 char *child_cmd;
45 char *parent_cmd;
46 int ret = 0, childret = 0;
47
48 if (argc < 3) {
49 usage(argv[0]);
50 exit(1);
51 }
52
53 child_cmd = (char *)strdup(argv[2]);
54 parent_cmd = (char *)strdup(argv[1]);
55
56 printf("1\n");
57 ret = ltp_clone_quick(CLONE_NEWNS | SIGCHLD, myfunc, (void *)child_cmd);
58 if (ret != -1) {
59 system(parent_cmd);
60 wait(&childret);
61 } else {
62 fprintf(stderr, "clone failed\n");
63 }
64 if (ret || !WIFEXITED(childret)) {
65 exit(1);
66 }
67 exit(0);
68 }
69