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1 /* Copyright (C) 2005-2020 Free Software Foundation, Inc.
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2 Contributed by Richard Henderson <rth@redhat.com>.
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3
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111
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4 This file is part of the GNU Offloading and Multi Processing Library
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5 (libgomp).
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6
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7 Libgomp is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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14 FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 Under Section 7 of GPL version 3, you are granted additional
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18 permissions described in the GCC Runtime Library Exception, version
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19 3.1, as published by the Free Software Foundation.
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20
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21 You should have received a copy of the GNU General Public License and
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22 a copy of the GCC Runtime Library Exception along with this program;
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23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 <http://www.gnu.org/licenses/>. */
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25
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26 /* This file handles the BARRIER construct. */
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27
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28 #include "libgomp.h"
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29
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30
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31 void
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32 GOMP_barrier (void)
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33 {
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34 struct gomp_thread *thr = gomp_thread ();
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35 struct gomp_team *team = thr->ts.team;
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36
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37 /* It is legal to have orphaned barriers. */
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38 if (team == NULL)
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39 return;
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40
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41 gomp_team_barrier_wait (&team->barrier);
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42 }
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111
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43
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44 bool
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45 GOMP_barrier_cancel (void)
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46 {
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47 struct gomp_thread *thr = gomp_thread ();
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48 struct gomp_team *team = thr->ts.team;
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49
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50 /* The compiler transforms to barrier_cancel when it sees that the
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51 barrier is within a construct that can cancel. Thus we should
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52 never have an orphaned cancellable barrier. */
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53 return gomp_team_barrier_wait_cancel (&team->barrier);
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54 }
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