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 "lapi/syscalls.h"
23
24 char *TCID = "setns_check";
25
main(void)26 int 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