32 lines
1.4 KiB
C
32 lines
1.4 KiB
C
/* Oversized reductions lock variable
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Copyright (C) 2017-2022 Free Software Foundation, Inc.
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Contributed by Mentor Graphics.
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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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/* We use a global lock variable for reductions on objects larger than
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64 bits. Until and unless proven that lock contention for
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different reductions is a problem, a single lock will suffice. */
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unsigned volatile __reduction_lock = 0;
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