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* sysdeps/pthread/pthread_barrier_wait.c: Move to...

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* pthread_barrier_wait.c: ...here.
	* sysdeps/pthread/pthread_cond_broadcast.c: Move to...
	* pthread_cond_broadcast.c: ...here.
	* sysdeps/pthread/pthread_cond_signal.c: Move to...
	* pthread_cond_signal.c: ...here.
	* sysdeps/pthread/pthread_cond_timedwait.c: Move to...
	* pthread_cond_timedwait.c: ...here.
	* sysdeps/pthread/pthread_cond_wait.c: Move to...
	* pthread_cond_wait.c: ...here.
	* sysdeps/pthread/pthread_once.c: Move to...
	* pthread_once.c: ...here.
	* sysdeps/pthread/pthread_rwlock_rdlock.c: Move to...
	* pthread_rwlock_rdlock.c: ...here.
	* sysdeps/pthread/pthread_rwlock_timedrdlock.c: Move to...
	* pthread_rwlock_timedrdlock.c: ...here.
	* sysdeps/pthread/pthread_rwlock_timedwrlock.c: Move to...
	* pthread_rwlock_timedwrlock.c: ...here.
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	* pthread_rwlock_unlock.c: ...here.
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	* pthread_rwlock_wrlock.c: ...here.
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	* pthread_spin_init.c: ...here.
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	* pthread_getcpuclockid.c: ...here.
This commit is contained in:
Ulrich Drepper
2006-10-28 05:15:26 +00:00
parent 006a8f6f62
commit eb0a3d0cab
17 changed files with 34 additions and 0 deletions
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61
nptl/pthread_cond_signal.c Normal file
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <endian.h>
#include <errno.h>
#include <sysdep.h>
#include <lowlevellock.h>
#include <pthread.h>
#include <pthreadP.h>
#include <shlib-compat.h>
#include <kernel-features.h>
int
__pthread_cond_signal (cond)
pthread_cond_t *cond;
{
/* Make sure we are alone. */
lll_mutex_lock (cond->__data.__lock);
/* Are there any waiters to be woken? */
if (cond->__data.__total_seq > cond->__data.__wakeup_seq)
{
/* Yes. Mark one of them as woken. */
++cond->__data.__wakeup_seq;
++cond->__data.__futex;
/* Wake one. */
if (! __builtin_expect (lll_futex_wake_unlock (&cond->__data.__futex, 1,
1, &cond->__data.__lock),
0))
return 0;
lll_futex_wake (&cond->__data.__futex, 1);
}
/* We are done. */
lll_mutex_unlock (cond->__data.__lock);
return 0;
}
versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal,
GLIBC_2_3_2);