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29 lines
1.0 KiB
C
29 lines
1.0 KiB
C
/* pthread_spin_unlock -- unlock a spin lock. PowerPC version.
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Copyright (C) 2007-2014 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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int
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pthread_spin_unlock (pthread_spinlock_t *lock)
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{
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__asm __volatile (__lll_rel_instr ::: "memory");
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*lock = 0;
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return 0;
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}
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