mirror of git://gcc.gnu.org/git/gcc.git
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
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Contributed by Richard Henderson <rth@redhat.com>.
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This file is part of the GNU Offloading and Multi Processing Library
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(libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file handles the BARRIER construct. */
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#include "libgomp.h"
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void
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GOMP_barrier (void)
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{
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struct gomp_thread *thr = gomp_thread ();
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struct gomp_team *team = thr->ts.team;
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/* It is legal to have orphaned barriers. */
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if (team == NULL)
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return;
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gomp_team_barrier_wait (&team->barrier);
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}
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bool
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GOMP_barrier_cancel (void)
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{
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struct gomp_thread *thr = gomp_thread ();
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struct gomp_team *team = thr->ts.team;
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/* The compiler transforms to barrier_cancel when it sees that the
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barrier is within a construct that can cancel. Thus we should
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never have an orphaned cancellable barrier. */
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return gomp_team_barrier_wait_cancel (&team->barrier);
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}
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