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38 lines
1.6 KiB
C
38 lines
1.6 KiB
C
/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
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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 "pthread_rwlock_common.c"
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/* See pthread_rwlock_common.c. */
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int
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pthread_rwlock_timedrdlock (pthread_rwlock_t *rwlock,
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const struct timespec *abstime)
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{
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/* Make sure the passed in timeout value is valid. Note that the previous
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implementation assumed that this check *must* not be performed if there
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would in fact be no blocking; however, POSIX only requires that "the
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validity of the abstime parameter need not be checked if the lock can be
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immediately acquired" (i.e., we need not but may check it). */
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/* ??? Just move this to __pthread_rwlock_rdlock_full? */
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if (__glibc_unlikely (abstime->tv_nsec >= 1000000000
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|| abstime->tv_nsec < 0))
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return EINVAL;
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return __pthread_rwlock_rdlock_full (rwlock, abstime);
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}
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