| /* |
| * Copyright (c) International Business Machines Corp., 2007 |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| * Author: Serge Hallyn <serue@us.ibm.com> |
| * |
| * uts namespaces were introduced around 2.6.19. Kernels before that, |
| * assume they are not enabled. Kernels after that, check for -EINVAL |
| * when trying to use CLONE_NEWUTS. |
| ***************************************************************************/ |
| |
| #include <sys/utsname.h> |
| #include <sched.h> |
| #include <stdio.h> |
| #include "../libclone/libclone.h" |
| #include "test.h" |
| |
| const char *TCID = "check_utsns_enabled"; |
| |
| int dummy(void *v) |
| { |
| return 0; |
| } |
| |
| int main(void) |
| { |
| int pid; |
| |
| if (tst_kvercmp(2, 6, 19) < 0) |
| return 1; |
| |
| pid = ltp_clone_quick(CLONE_NEWUTS, dummy, NULL); |
| |
| if (pid == -1) { |
| perror("ltp_clone_quick"); |
| return 3; |
| } |
| return 0; |
| } |