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38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* pthread_mutex_destroy. Hurd version.
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Copyright (C) 2016-2020 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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<https://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <pt-internal.h>
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#include "pt-mutex.h"
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#include <hurdlock.h>
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int
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_pthread_mutex_destroy (pthread_mutex_t *mtxp)
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{
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atomic_read_barrier ();
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if (*(volatile unsigned int *) &mtxp->__lock != 0)
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return EBUSY;
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mtxp->__type = -1;
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return 0;
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}
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strong_alias (_pthread_mutex_destroy, pthread_mutex_destroy)
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