barrier.c

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00001 /* Copyright (C) 2005, 2009 Free Software Foundation, Inc.
00002    Contributed by Richard Henderson <rth@redhat.com>.
00003 
00004    This file is part of the GNU OpenMP Library (libgomp).
00005 
00006    Libgomp is free software; you can redistribute it and/or modify it
00007    under the terms of the GNU General Public License as published by
00008    the Free Software Foundation; either version 3, or (at your option)
00009    any later version.
00010 
00011    Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
00012    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00013    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
00014    more details.
00015 
00016    Under Section 7 of GPL version 3, you are granted additional
00017    permissions described in the GCC Runtime Library Exception, version
00018    3.1, as published by the Free Software Foundation.
00019 
00020    You should have received a copy of the GNU General Public License and
00021    a copy of the GCC Runtime Library Exception along with this program;
00022    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023    <http://www.gnu.org/licenses/>.  */
00024 
00025 /* This file handles the BARRIER construct.  */
00026 
00027 #include "libgomp.h"
00028 
00029 
00030 void
00031 GOMP_barrier (void)
00032 {
00033   struct gomp_thread *thr = gomp_thread ();
00034   struct gomp_team *team = thr->ts.team;
00035 
00036   /* It is legal to have orphaned barriers.  */
00037   if (team == NULL)
00038     return;
00039 
00040   gomp_team_barrier_wait (&team->barrier);
00041 }

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