1/* Copyright (c) 2015 Fujitsu Ltd.
2 * Author: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of version 2 the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15 *
16 ***********************************************************************
17 * Check for setns() availability, should be called before ns_exec.
18 *
19 */
20
21#include "test.h"
22#include "linux_syscall_numbers.h"
23
24char *TCID = "setns_check";
25
26int main(void)
27{
28	if (syscall(__NR_setns, -1, 0) == -1 && errno == ENOSYS)
29		tst_brkm(TCONF, NULL, "setns is not supported in the kernel");
30	else
31		return 0;
32}
33