/* Copyright (c) 2015 Fujitsu Ltd. * Author: Guangwen Feng <fenggw-fnst@cn.fujitsu.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of version 2 the GNU General Public License as * published by the Free Software Foundation. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * *********************************************************************** * Check for setns() availability, should be called before ns_exec. * */ #include "test.h" #include "lapi/syscalls.h" char *TCID = "setns_check"; int main(void) { if (syscall(__NR_setns, -1, 0) == -1 && errno == ENOSYS) tst_brkm(TCONF, NULL, "setns is not supported in the kernel"); else return 0; }