glibc/nptl/tst-thread-affinity-pthread.c

/* Multi-threaded test for pthread_getaffinity_np, pthread_setaffinity_np.
   Copyright (C) 2015-2024 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <pthread.h>

/* Defined for the benefit of tst-skeleton-thread-affinity.c, included
   below.  */

static int
setaffinity (size_t size, const cpu_set_t *set)
{
  int ret = pthread_setaffinity_np (pthread_self (), size, set);
  if (ret != 0)
    {
      errno = ret;
      return -1;
    }
  return 0;
}

static int
getaffinity (size_t size, cpu_set_t *set)
{
  int ret = pthread_getaffinity_np (pthread_self (), size, set);
  if (ret != 0)
    {
      errno = ret;
      return -1;
    }
  return 0;
}

#include "tst-skeleton-thread-affinity.c"