1 /*
2 * Copyright (c) 2018, Linux Test Project
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include <stdlib.h>
19 #include <unistd.h>
20 #include "tst_test.h"
21 #include "tst_sys_conf.h"
22
23 static const char * const save_restore[] = {
24 "?/proc/nonexistent",
25 "!/proc/sys/kernel/numa_balancing",
26 "/proc/sys/kernel/core_pattern",
27 NULL,
28 };
29
setup(void)30 static void setup(void)
31 {
32 SAFE_FILE_PRINTF("/proc/sys/kernel/core_pattern", "changed");
33 tst_sys_conf_dump();
34 }
35
run(void)36 static void run(void)
37 {
38 tst_res(TPASS, "OK");
39 }
40
41 static struct tst_test test = {
42 .needs_root = 1,
43 .test_all = run,
44 .setup = setup,
45 .save_restore = save_restore,
46 };
47