glibc/support/xpthread_barrier_wait.c

/* pthread_barrier_wait with error checking.
   Copyright (C) 2016-2017 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
   <http://www.gnu.org/licenses/>.  */

#include <support/xthread.h>

int
xpthread_barrier_wait (pthread_barrier_t *barrier)
{
  int ret = pthread_barrier_wait (barrier);
  if (ret != 0 && ret != PTHREAD_BARRIER_SERIAL_THREAD)
    xpthread_check_return ("pthread_barrier_wait", ret);
  return ret == PTHREAD_BARRIER_SERIAL_THREAD;
}