1 | /* Test for sched_rr_get_interval |
2 | Copyright (C) 2021-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <time.h> |
20 | #include <sched.h> |
21 | #include <support/check.h> |
22 | |
23 | static int |
24 | do_test (void) |
25 | { |
26 | struct timespec ts[2] = { { -1, -1 }, { -1, -1 } }; |
27 | const struct sched_param param = { |
28 | .sched_priority = sched_get_priority_max (SCHED_RR) - 10, |
29 | }; |
30 | int result = sched_setscheduler (pid: 0, SCHED_RR, param: ¶m); |
31 | |
32 | if (result != 0) |
33 | FAIL_UNSUPPORTED ("sched_setscheduler error: %m\n" ); |
34 | |
35 | TEST_COMPARE (sched_rr_get_interval (0, ts), 0); |
36 | |
37 | /* Check if returned time values are correct. */ |
38 | TEST_VERIFY (ts[0].tv_sec >= 0); |
39 | TEST_VERIFY (ts[0].tv_nsec >= 0 && ts[0].tv_nsec < 1000000000); |
40 | TEST_VERIFY (ts[1].tv_sec == -1 && ts[1].tv_nsec == -1); |
41 | |
42 | return 0; |
43 | } |
44 | |
45 | #include <support/test-driver.c> |
46 | |