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authorJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
commit32c075e1f01849e161724bbd400ba77244e482cc (patch)
tree5f083a3f352104f32bb6c902d57fa3f294bd8d4d /nptl/pthread_cond_broadcast.c
parentd6220e9ee38c1c9285221b023346201ec5f511b3 (diff)
.
Diffstat (limited to 'nptl/pthread_cond_broadcast.c')
-rw-r--r--nptl/pthread_cond_broadcast.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/nptl/pthread_cond_broadcast.c b/nptl/pthread_cond_broadcast.c
deleted file mode 100644
index 2b8b5460f4..0000000000
--- a/nptl/pthread_cond_broadcast.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* Copyright (C) 2003, 2004, 2006 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_broadcast (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 them all as woken. */
- cond->__data.__wakeup_seq = cond->__data.__total_seq;
- cond->__data.__woken_seq = cond->__data.__total_seq;
- cond->__data.__futex = (unsigned int) cond->__data.__total_seq * 2;
- int futex_val = cond->__data.__futex;
- /* Signal that a broadcast happened. */
- ++cond->__data.__broadcast_seq;
-
- /* We are done. */
- lll_mutex_unlock (cond->__data.__lock);
-
- /* Do not use requeue for pshared condvars. */
- if (cond->__data.__mutex == (void *) ~0l)
- goto wake_all;
-
- /* Wake everybody. */
- pthread_mutex_t *mut = (pthread_mutex_t *) cond->__data.__mutex;
-
- /* XXX: Kernel so far doesn't support requeue to PI futex. */
- if (__builtin_expect (mut->__data.__kind & PTHREAD_MUTEX_PRIO_INHERIT_NP,
- 0))
- goto wake_all;
-
- /* lll_futex_requeue returns 0 for success and non-zero
- for errors. */
- if (__builtin_expect (lll_futex_requeue (&cond->__data.__futex, 1,
- INT_MAX, &mut->__data.__lock,
- futex_val), 0))
- {
- /* The requeue functionality is not available. */
- wake_all:
- lll_futex_wake (&cond->__data.__futex, INT_MAX);
- }
-
- /* That's all. */
- return 0;
- }
-
- /* We are done. */
- lll_mutex_unlock (cond->__data.__lock);
-
- return 0;
-}
-
-versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast,
- GLIBC_2_3_2);