nptl/tst-thread-affinity-pthread.c

   1 /* Multi-threaded test for pthread_getaffinity_np, pthread_setaffinity_np.
   2    Copyright (C) 2015-2024 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 <errno.h>
  20 #include <pthread.h>
  21
  22 /* Defined for the benefit of tst-skeleton-thread-affinity.c, included
  23    below.  */
  24
  25 static int
  26 setaffinity (size_t size, const cpu_set_t *set)
  27 {
  28   int ret = pthread_setaffinity_np (pthread_self (), size, set);
  29   if (ret != 0)
  30     {
  31       errno = ret;
  32       return -1;
  33     }
  34   return 0;
  35 }
  36
  37 static int
  38 getaffinity (size_t size, cpu_set_t *set)
  39 {
  40   int ret = pthread_getaffinity_np (pthread_self (), size, set);
  41   if (ret != 0)
  42     {
  43       errno = ret;
  44       return -1;
  45     }
  46   return 0;
  47 }
  48
  49 #include "tst-skeleton-thread-affinity.c"