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34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/* elision-unlock.c: Commit an elided pthread lock.
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Copyright (C) 2013-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include "pthreadP.h"
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#include "lowlevellock.h"
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#include "hle.h"
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int
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__lll_unlock_elision(int *lock, int private)
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{
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/* When the lock was free we're in a transaction.
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When you crash here you unlocked a free lock. */
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if (*lock == 0)
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_xend();
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else
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lll_unlock ((*lock), private);
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return 0;
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}
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