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75fcceded2
2004-06-03 Ulrich Drepper <drepper@redhat.com> * sysdeps/i386/i486/bits/atomic.h: Optimize a bit.
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <shlib-compat.h>
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#include "pthreadP.h"
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int
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__pthread_cond_init (cond, cond_attr)
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pthread_cond_t *cond;
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const pthread_condattr_t *cond_attr;
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{
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/* Note that we don't need the PSHARED information from COND-ATTR.
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Conditional variables are always usable in multiple processes. */
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struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
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cond->__data.__lock = LLL_MUTEX_LOCK_INITIALIZER;
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cond->__data.__futex = 0;
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cond->__data.__clock = (icond_attr == NULL
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? CLOCK_REALTIME : (icond_attr->value & 0xfe) >> 1);
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cond->__data.__total_seq = 0;
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cond->__data.__wakeup_seq = 0;
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cond->__data.__woken_seq = 0;
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cond->__data.__mutex = (icond_attr == NULL || (icond_attr->value & 1) == 0
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? NULL : (void *) ~0l);
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cond->__data.__broadcast_seq = 0;
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return 0;
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}
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versioned_symbol (libpthread, __pthread_cond_init,
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pthread_cond_init, GLIBC_2_3_2);
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