1 /* Check if invalid pthread_attr_getaffinity_np does not run any code
2 in the thread function.
3 Copyright (C) 2021 Free Software Foundation, Inc.
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 *
thr_func(void * arg)27 thr_func (void *arg)
28 {
29 abort ();
30 return NULL;
31 }
32
33 static int
do_test(void)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>
60