mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-11-30 23:35:00 +08:00
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
|
|
Contributed by Richard Henderson <rth@redhat.com>.
|
|
|
|
This file is part of the GNU Offloading and Multi Processing Library
|
|
(libgomp).
|
|
|
|
Libgomp is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3, or (at your option)
|
|
any later version.
|
|
|
|
Libgomp 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 General Public License for
|
|
more details.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
/* This file handles the BARRIER construct. */
|
|
|
|
#include "libgomp.h"
|
|
|
|
|
|
void
|
|
GOMP_barrier (void)
|
|
{
|
|
struct gomp_thread *thr = gomp_thread ();
|
|
struct gomp_team *team = thr->ts.team;
|
|
|
|
/* It is legal to have orphaned barriers. */
|
|
if (team == NULL)
|
|
return;
|
|
|
|
gomp_team_barrier_wait (&team->barrier);
|
|
}
|
|
|
|
bool
|
|
GOMP_barrier_cancel (void)
|
|
{
|
|
struct gomp_thread *thr = gomp_thread ();
|
|
struct gomp_team *team = thr->ts.team;
|
|
|
|
/* The compiler transforms to barrier_cancel when it sees that the
|
|
barrier is within a construct that can cancel. Thus we should
|
|
never have an orphaned cancellable barrier. */
|
|
return gomp_team_barrier_wait_cancel (&team->barrier);
|
|
}
|