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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