| /* |
| * Copyright (c) International Business Machines Corp., 2001 |
| * 07/2001 Ported by Wayne Boyer |
| * Copyright (c) 2016 Cyril Hrubis <chrubis@suse.cz> |
| * |
| * 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 |
| */ |
| /* |
| * Verify that any user can successfully increase the nice value of |
| * the process by passing a higher increment value (> max. applicable limits) |
| * to nice() system call. |
| */ |
| #include <unistd.h> |
| #include <errno.h> |
| #include <sys/resource.h> |
| |
| #include "tst_test.h" |
| |
| #define NICEINC 50 |
| #define MAX_PRIO 19 |
| #define DEFAULT_PRIO 0 |
| |
| static void verify_nice(void) |
| { |
| int new_nice; |
| |
| TEST(nice(NICEINC)); |
| |
| if (TST_RET == -1) { |
| tst_res(TFAIL | TTERRNO, "nice(%d) returned -1", NICEINC); |
| return; |
| } |
| |
| if (TST_ERR) { |
| tst_res(TFAIL | TTERRNO, "nice(%d) failed", NICEINC); |
| return; |
| } |
| |
| new_nice = SAFE_GETPRIORITY(PRIO_PROCESS, 0); |
| |
| if (new_nice != MAX_PRIO) { |
| tst_res(TFAIL, "Process priority %i, expected %i", |
| new_nice, MAX_PRIO); |
| return; |
| } |
| |
| tst_res(TPASS, "nice(%d) passed", NICEINC); |
| |
| TEST(nice(DEFAULT_PRIO)); |
| if (TST_ERR) |
| tst_brk(TBROK | TERRNO, "nice(-NICEINC) failed"); |
| } |
| |
| static struct tst_test test = { |
| .test_all = verify_nice, |
| }; |