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2c44452b AZ |
1 | /* Check if invalid pthread_attr_getaffinity_np does not run any code |
2 | in the thread function. | |
6d7e8eda | 3 | Copyright (C) 2021-2023 Free Software Foundation, Inc. |
2c44452b AZ |
4 | This file is part of the GNU C Library. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, see | |
18 | <https://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include <errno.h> | |
21 | #include <support/check.h> | |
22 | #include <support/xunistd.h> | |
23 | #include <support/xthread.h> | |
24 | #include <stdlib.h> | |
25 | ||
26 | static void * | |
27 | thr_func (void *arg) | |
28 | { | |
29 | abort (); | |
30 | return NULL; | |
31 | } | |
32 | ||
33 | static int | |
34 | do_test (void) | |
35 | { | |
36 | int max_cpu = xsysconf (_SC_NPROCESSORS_CONF) + 1; | |
37 | /* Set a affinity mask with an invalid CPU. */ | |
38 | cpu_set_t *cpuset = CPU_ALLOC (max_cpu); | |
39 | TEST_VERIFY_EXIT (cpuset != NULL); | |
40 | size_t cpusetsize = CPU_ALLOC_SIZE (max_cpu); | |
41 | CPU_ZERO_S (cpusetsize, cpuset); | |
42 | CPU_SET_S (max_cpu, cpusetsize, cpuset); | |
43 | ||
44 | /* Check if the affinity mask does trigger an error. */ | |
45 | TEST_COMPARE (sched_setaffinity (0, cpusetsize, cpuset), -1); | |
46 | TEST_COMPARE (errno, EINVAL); | |
47 | ||
48 | pthread_attr_t attr; | |
49 | xpthread_attr_init (&attr); | |
50 | xpthread_attr_setaffinity_np (&attr, cpusetsize, cpuset); | |
51 | ||
52 | pthread_t thr; | |
53 | TEST_COMPARE (pthread_create (&thr, &attr, thr_func, NULL), EINVAL); | |
54 | xpthread_attr_destroy (&attr); | |
55 | ||
56 | return 0; | |
57 | } | |
58 | ||
59 | #include <support/test-driver.c> |