| /* Copyright (C) 2005-2017 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); |
| } |