1  /* Check if invalid pthread_attr_getaffinity_np does not run any code
       2     in the thread function.
       3     Copyright (C) 2021-2023 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 *
      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>