support/xpthread_barrier_wait.c

   1 /* pthread_barrier_wait with error checking.
   2    Copyright (C) 2016-2017 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <support/xthread.h>
  20
  21 int
  22 xpthread_barrier_wait (pthread_barrier_t *barrier)
  23 {
  24   int ret = pthread_barrier_wait (barrier);
  25   if (ret != 0 && ret != PTHREAD_BARRIER_SERIAL_THREAD)
  26     xpthread_check_return ("pthread_barrier_wait", ret);
  27   return ret == PTHREAD_BARRIER_SERIAL_THREAD;
  28 }