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authorUlrich Drepper <drepper@redhat.com>2006-10-28 05:15:26 +0000
committerUlrich Drepper <drepper@redhat.com>2006-10-28 05:15:26 +0000
commiteb0a3d0cab507fecefe390a340f74ab8e5cf7831 (patch)
treec97ac1c33a78c454c0aeb520624af29c724355d2 /nptl/sysdeps/pthread
parent006a8f6f626e6e4d30b73c2ee20377b6a8cce1b7 (diff)
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* sysdeps/pthread/pthread_barrier_wait.c: Move to...
* 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. * sysdeps/pthread/pthread_rwlock_unlock.c: Move to... * pthread_rwlock_unlock.c: ...here. * sysdeps/pthread/pthread_rwlock_wrlock.c: Move to... * pthread_rwlock_wrlock.c: ...here. * sysdeps/pthread/pthread_spin_destroy.c: Move to... * pthread_spin_destroy.c: ...here. * sysdeps/pthread/pthread_spin_init.c: Move to... * pthread_spin_init.c: ...here. * sysdeps/pthread/pthread_spin_unlock.c: Move to... * pthread_spin_unlock.c: ...here. * sysdeps/pthread/pthread_getcpuclockid.c: Move to... * pthread_getcpuclockid.c: ...here.
Diffstat (limited to 'nptl/sysdeps/pthread')
-rw-r--r--nptl/sysdeps/pthread/pthread_barrier_wait.c77
-rw-r--r--nptl/sysdeps/pthread/pthread_cond_broadcast.c86
-rw-r--r--nptl/sysdeps/pthread/pthread_cond_signal.c61
-rw-r--r--nptl/sysdeps/pthread/pthread_cond_timedwait.c214
-rw-r--r--nptl/sysdeps/pthread/pthread_cond_wait.c191
-rw-r--r--nptl/sysdeps/pthread/pthread_getcpuclockid.c57
-rw-r--r--nptl/sysdeps/pthread/pthread_once.c54
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_rdlock.c95
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_timedrdlock.c137
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c127
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_unlock.c57
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_wrlock.c87
-rw-r--r--nptl/sysdeps/pthread/pthread_spin_destroy.c29
-rw-r--r--nptl/sysdeps/pthread/pthread_spin_init.c28
-rw-r--r--nptl/sysdeps/pthread/pthread_spin_unlock.c30
15 files changed, 0 insertions, 1330 deletions
diff --git a/nptl/sysdeps/pthread/pthread_barrier_wait.c b/nptl/sysdeps/pthread/pthread_barrier_wait.c
deleted file mode 100644
index c6b563f..0000000
--- a/nptl/sysdeps/pthread/pthread_barrier_wait.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* 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 <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <pthreadP.h>
-
-
-/* Wait on barrier. */
-int
-pthread_barrier_wait (barrier)
- pthread_barrier_t *barrier;
-{
- struct pthread_barrier *ibarrier = (struct pthread_barrier *) barrier;
- int result = 0;
-
- /* Make sure we are alone. */
- lll_lock (ibarrier->lock);
-
- /* One more arrival. */
- --ibarrier->left;
-
- /* Are these all? */
- if (ibarrier->left == 0)
- {
- /* Yes. Increment the event counter to avoid invalid wake-ups and
- tell the current waiters that it is their turn. */
- ++ibarrier->curr_event;
-
- /* Wake up everybody. */
- lll_futex_wake (&ibarrier->curr_event, INT_MAX);
-
- /* This is the thread which finished the serialization. */
- result = PTHREAD_BARRIER_SERIAL_THREAD;
- }
- else
- {
- /* The number of the event we are waiting for. The barrier's event
- number must be bumped before we continue. */
- unsigned int event = ibarrier->curr_event;
-
- /* Before suspending, make the barrier available to others. */
- lll_unlock (ibarrier->lock);
-
- /* Wait for the event counter of the barrier to change. */
- do
- lll_futex_wait (&ibarrier->curr_event, event);
- while (event == ibarrier->curr_event);
- }
-
- /* Make sure the init_count is stored locally or in a register. */
- unsigned int init_count = ibarrier->init_count;
-
- /* If this was the last woken thread, unlock. */
- if (atomic_increment_val (&ibarrier->left) == init_count)
- /* We are done. */
- lll_unlock (ibarrier->lock);
-
- return result;
-}
diff --git a/nptl/sysdeps/pthread/pthread_cond_broadcast.c b/nptl/sysdeps/pthread/pthread_cond_broadcast.c
deleted file mode 100644
index 2b8b546..0000000
--- a/nptl/sysdeps/pthread/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);
diff --git a/nptl/sysdeps/pthread/pthread_cond_signal.c b/nptl/sysdeps/pthread/pthread_cond_signal.c
deleted file mode 100644
index 5a9bbca..0000000
--- a/nptl/sysdeps/pthread/pthread_cond_signal.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* 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);
diff --git a/nptl/sysdeps/pthread/pthread_cond_timedwait.c b/nptl/sysdeps/pthread/pthread_cond_timedwait.c
deleted file mode 100644
index fdbf43e..0000000
--- a/nptl/sysdeps/pthread/pthread_cond_timedwait.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/* 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>
-
-
-/* Cleanup handler, defined in pthread_cond_wait.c. */
-extern void __condvar_cleanup (void *arg)
- __attribute__ ((visibility ("hidden")));
-
-struct _condvar_cleanup_buffer
-{
- int oldtype;
- pthread_cond_t *cond;
- pthread_mutex_t *mutex;
- unsigned int bc_seq;
-};
-
-int
-__pthread_cond_timedwait (cond, mutex, abstime)
- pthread_cond_t *cond;
- pthread_mutex_t *mutex;
- const struct timespec *abstime;
-{
- struct _pthread_cleanup_buffer buffer;
- struct _condvar_cleanup_buffer cbuffer;
- int result = 0;
-
- /* Catch invalid parameters. */
- if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
- return EINVAL;
-
- /* Make sure we are along. */
- lll_mutex_lock (cond->__data.__lock);
-
- /* Now we can release the mutex. */
- int err = __pthread_mutex_unlock_usercnt (mutex, 0);
- if (err)
- {
- lll_mutex_unlock (cond->__data.__lock);
- return err;
- }
-
- /* We have one new user of the condvar. */
- ++cond->__data.__total_seq;
- ++cond->__data.__futex;
- cond->__data.__nwaiters += 1 << COND_CLOCK_BITS;
-
- /* Remember the mutex we are using here. If there is already a
- different address store this is a bad user bug. Do not store
- anything for pshared condvars. */
- if (cond->__data.__mutex != (void *) ~0l)
- cond->__data.__mutex = mutex;
-
- /* Prepare structure passed to cancellation handler. */
- cbuffer.cond = cond;
- cbuffer.mutex = mutex;
-
- /* Before we block we enable cancellation. Therefore we have to
- install a cancellation handler. */
- __pthread_cleanup_push (&buffer, __condvar_cleanup, &cbuffer);
-
- /* The current values of the wakeup counter. The "woken" counter
- must exceed this value. */
- unsigned long long int val;
- unsigned long long int seq;
- val = seq = cond->__data.__wakeup_seq;
- /* Remember the broadcast counter. */
- cbuffer.bc_seq = cond->__data.__broadcast_seq;
-
- while (1)
- {
- struct timespec rt;
- {
-#ifdef __NR_clock_gettime
- INTERNAL_SYSCALL_DECL (err);
- int ret;
- ret = INTERNAL_SYSCALL (clock_gettime, err, 2,
- (cond->__data.__nwaiters
- & ((1 << COND_CLOCK_BITS) - 1)),
- &rt);
-# ifndef __ASSUME_POSIX_TIMERS
- if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (ret, err), 0))
- {
- struct timeval tv;
- (void) gettimeofday (&tv, NULL);
-
- /* Convert the absolute timeout value to a relative timeout. */
- rt.tv_sec = abstime->tv_sec - tv.tv_sec;
- rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
- }
- else
-# endif
- {
- /* Convert the absolute timeout value to a relative timeout. */
- rt.tv_sec = abstime->tv_sec - rt.tv_sec;
- rt.tv_nsec = abstime->tv_nsec - rt.tv_nsec;
- }
-#else
- /* Get the current time. So far we support only one clock. */
- struct timeval tv;
- (void) gettimeofday (&tv, NULL);
-
- /* Convert the absolute timeout value to a relative timeout. */
- rt.tv_sec = abstime->tv_sec - tv.tv_sec;
- rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
-#endif
- }
- if (rt.tv_nsec < 0)
- {
- rt.tv_nsec += 1000000000;
- --rt.tv_sec;
- }
- /* Did we already time out? */
- if (__builtin_expect (rt.tv_sec < 0, 0))
- {
- if (cbuffer.bc_seq != cond->__data.__broadcast_seq)
- goto bc_out;
-
- goto timeout;
- }
-
- unsigned int futex_val = cond->__data.__futex;
-
- /* Prepare to wait. Release the condvar futex. */
- lll_mutex_unlock (cond->__data.__lock);
-
- /* Enable asynchronous cancellation. Required by the standard. */
- cbuffer.oldtype = __pthread_enable_asynccancel ();
-
- /* Wait until woken by signal or broadcast. */
- err = lll_futex_timed_wait (&cond->__data.__futex,
- futex_val, &rt);
-
- /* Disable asynchronous cancellation. */
- __pthread_disable_asynccancel (cbuffer.oldtype);
-
- /* We are going to look at shared data again, so get the lock. */
- lll_mutex_lock(cond->__data.__lock);
-
- /* If a broadcast happened, we are done. */
- if (cbuffer.bc_seq != cond->__data.__broadcast_seq)
- goto bc_out;
-
- /* Check whether we are eligible for wakeup. */
- val = cond->__data.__wakeup_seq;
- if (val != seq && cond->__data.__woken_seq != val)
- break;
-
- /* Not woken yet. Maybe the time expired? */
- if (__builtin_expect (err == -ETIMEDOUT, 0))
- {
- timeout:
- /* Yep. Adjust the counters. */
- ++cond->__data.__wakeup_seq;
- ++cond->__data.__futex;
-
- /* The error value. */
- result = ETIMEDOUT;
- break;
- }
- }
-
- /* Another thread woken up. */
- ++cond->__data.__woken_seq;
-
- bc_out:
-
- cond->__data.__nwaiters -= 1 << COND_CLOCK_BITS;
-
- /* If pthread_cond_destroy was called on this variable already,
- notify the pthread_cond_destroy caller all waiters have left
- and it can be successfully destroyed. */
- if (cond->__data.__total_seq == -1ULL
- && cond->__data.__nwaiters < (1 << COND_CLOCK_BITS))
- lll_futex_wake (&cond->__data.__nwaiters, 1);
-
- /* We are done with the condvar. */
- lll_mutex_unlock (cond->__data.__lock);
-
- /* The cancellation handling is back to normal, remove the handler. */
- __pthread_cleanup_pop (&buffer, 0);
-
- /* Get the mutex before returning. */
- err = __pthread_mutex_cond_lock (mutex);
-
- return err ?: result;
-}
-
-versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
- GLIBC_2_3_2);
diff --git a/nptl/sysdeps/pthread/pthread_cond_wait.c b/nptl/sysdeps/pthread/pthread_cond_wait.c
deleted file mode 100644
index f5f5cec..0000000
--- a/nptl/sysdeps/pthread/pthread_cond_wait.c
+++ /dev/null
@@ -1,191 +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>
-
-
-struct _condvar_cleanup_buffer
-{
- int oldtype;
- pthread_cond_t *cond;
- pthread_mutex_t *mutex;
- unsigned int bc_seq;
-};
-
-
-void
-__attribute__ ((visibility ("hidden")))
-__condvar_cleanup (void *arg)
-{
- struct _condvar_cleanup_buffer *cbuffer =
- (struct _condvar_cleanup_buffer *) arg;
- unsigned int destroying;
-
- /* We are going to modify shared data. */
- lll_mutex_lock (cbuffer->cond->__data.__lock);
-
- if (cbuffer->bc_seq == cbuffer->cond->__data.__broadcast_seq)
- {
- /* This thread is not waiting anymore. Adjust the sequence counters
- appropriately. We do not increment WAKEUP_SEQ if this would
- bump it over the value of TOTAL_SEQ. This can happen if a thread
- was woken and then canceled. */
- if (cbuffer->cond->__data.__wakeup_seq
- < cbuffer->cond->__data.__total_seq)
- {
- ++cbuffer->cond->__data.__wakeup_seq;
- ++cbuffer->cond->__data.__futex;
- }
- ++cbuffer->cond->__data.__woken_seq;
- }
-
- cbuffer->cond->__data.__nwaiters -= 1 << COND_CLOCK_BITS;
-
- /* If pthread_cond_destroy was called on this variable already,
- notify the pthread_cond_destroy caller all waiters have left
- and it can be successfully destroyed. */
- destroying = 0;
- if (cbuffer->cond->__data.__total_seq == -1ULL
- && cbuffer->cond->__data.__nwaiters < (1 << COND_CLOCK_BITS))
- {
- lll_futex_wake (&cbuffer->cond->__data.__nwaiters, 1);
- destroying = 1;
- }
-
- /* We are done. */
- lll_mutex_unlock (cbuffer->cond->__data.__lock);
-
- /* Wake everybody to make sure no condvar signal gets lost. */
- if (! destroying)
- lll_futex_wake (&cbuffer->cond->__data.__futex, INT_MAX);
-
- /* Get the mutex before returning unless asynchronous cancellation
- is in effect. */
- __pthread_mutex_cond_lock (cbuffer->mutex);
-}
-
-
-int
-__pthread_cond_wait (cond, mutex)
- pthread_cond_t *cond;
- pthread_mutex_t *mutex;
-{
- struct _pthread_cleanup_buffer buffer;
- struct _condvar_cleanup_buffer cbuffer;
- int err;
-
- /* Make sure we are along. */
- lll_mutex_lock (cond->__data.__lock);
-
- /* Now we can release the mutex. */
- err = __pthread_mutex_unlock_usercnt (mutex, 0);
- if (__builtin_expect (err, 0))
- {
- lll_mutex_unlock (cond->__data.__lock);
- return err;
- }
-
- /* We have one new user of the condvar. */
- ++cond->__data.__total_seq;
- ++cond->__data.__futex;
- cond->__data.__nwaiters += 1 << COND_CLOCK_BITS;
-
- /* Remember the mutex we are using here. If there is already a
- different address store this is a bad user bug. Do not store
- anything for pshared condvars. */
- if (cond->__data.__mutex != (void *) ~0l)
- cond->__data.__mutex = mutex;
-
- /* Prepare structure passed to cancellation handler. */
- cbuffer.cond = cond;
- cbuffer.mutex = mutex;
-
- /* Before we block we enable cancellation. Therefore we have to
- install a cancellation handler. */
- __pthread_cleanup_push (&buffer, __condvar_cleanup, &cbuffer);
-
- /* The current values of the wakeup counter. The "woken" counter
- must exceed this value. */
- unsigned long long int val;
- unsigned long long int seq;
- val = seq = cond->__data.__wakeup_seq;
- /* Remember the broadcast counter. */
- cbuffer.bc_seq = cond->__data.__broadcast_seq;
-
- do
- {
- unsigned int futex_val = cond->__data.__futex;
-
- /* Prepare to wait. Release the condvar futex. */
- lll_mutex_unlock (cond->__data.__lock);
-
- /* Enable asynchronous cancellation. Required by the standard. */
- cbuffer.oldtype = __pthread_enable_asynccancel ();
-
- /* Wait until woken by signal or broadcast. */
- lll_futex_wait (&cond->__data.__futex, futex_val);
-
- /* Disable asynchronous cancellation. */
- __pthread_disable_asynccancel (cbuffer.oldtype);
-
- /* We are going to look at shared data again, so get the lock. */
- lll_mutex_lock (cond->__data.__lock);
-
- /* If a broadcast happened, we are done. */
- if (cbuffer.bc_seq != cond->__data.__broadcast_seq)
- goto bc_out;
-
- /* Check whether we are eligible for wakeup. */
- val = cond->__data.__wakeup_seq;
- }
- while (val == seq || cond->__data.__woken_seq == val);
-
- /* Another thread woken up. */
- ++cond->__data.__woken_seq;
-
- bc_out:
-
- cond->__data.__nwaiters -= 1 << COND_CLOCK_BITS;
-
- /* If pthread_cond_destroy was called on this varaible already,
- notify the pthread_cond_destroy caller all waiters have left
- and it can be successfully destroyed. */
- if (cond->__data.__total_seq == -1ULL
- && cond->__data.__nwaiters < (1 << COND_CLOCK_BITS))
- lll_futex_wake (&cond->__data.__nwaiters, 1);
-
- /* We are done with the condvar. */
- lll_mutex_unlock (cond->__data.__lock);
-
- /* The cancellation handling is back to normal, remove the handler. */
- __pthread_cleanup_pop (&buffer, 0);
-
- /* Get the mutex before returning. */
- return __pthread_mutex_cond_lock (mutex);
-}
-
-versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
- GLIBC_2_3_2);
diff --git a/nptl/sysdeps/pthread/pthread_getcpuclockid.c b/nptl/sysdeps/pthread/pthread_getcpuclockid.c
deleted file mode 100644
index 8506f94..0000000
--- a/nptl/sysdeps/pthread/pthread_getcpuclockid.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- 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; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include <errno.h>
-#include <pthreadP.h>
-#include <sys/time.h>
-#include <tls.h>
-
-
-int
-pthread_getcpuclockid (threadid, clockid)
- pthread_t threadid;
- clockid_t *clockid;
-{
- struct pthread *pd = (struct pthread *) threadid;
-
- /* Make sure the descriptor is valid. */
- if (INVALID_TD_P (pd))
- /* Not a valid thread handle. */
- return ESRCH;
-
-#ifdef CLOCK_THREAD_CPUTIME_ID
- /* We need to store the thread ID in the CLOCKID variable together
- with a number identifying the clock. We reserve the low 3 bits
- for the clock ID and the rest for the thread ID. This is
- problematic if the thread ID is too large. But 29 bits should be
- fine.
-
- If some day more clock IDs are needed the ID part can be
- enlarged. The IDs are entirely internal. */
- if (pd->tid >= 1 << (8 * sizeof (*clockid) - CLOCK_IDFIELD_SIZE))
- return ERANGE;
-
- /* Store the number. */
- *clockid = CLOCK_THREAD_CPUTIME_ID | (pd->tid << CLOCK_IDFIELD_SIZE);
-
- return 0;
-#else
- /* We don't have a timer for that. */
- return ENOENT;
-#endif
-}
diff --git a/nptl/sysdeps/pthread/pthread_once.c b/nptl/sysdeps/pthread/pthread_once.c
deleted file mode 100644
index 9b2cef8..0000000
--- a/nptl/sysdeps/pthread/pthread_once.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- 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 "pthreadP.h"
-#include <lowlevellock.h>
-
-
-
-static lll_lock_t once_lock = LLL_LOCK_INITIALIZER;
-
-
-int
-__pthread_once (once_control, init_routine)
- pthread_once_t *once_control;
- void (*init_routine) (void);
-{
- /* XXX Depending on whether the LOCK_IN_ONCE_T is defined use a
- global lock variable or one which is part of the pthread_once_t
- object. */
- if (*once_control == PTHREAD_ONCE_INIT)
- {
- lll_lock (once_lock);
-
- /* XXX This implementation is not complete. It doesn't take
- cancelation and fork into account. */
- if (*once_control == PTHREAD_ONCE_INIT)
- {
- init_routine ();
-
- *once_control = !PTHREAD_ONCE_INIT;
- }
-
- lll_unlock (once_lock);
- }
-
- return 0;
-}
-strong_alias (__pthread_once, pthread_once)
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c b/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c
deleted file mode 100644
index e225d70..0000000
--- a/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* 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 <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <pthread.h>
-#include <pthreadP.h>
-
-
-/* Acquire read lock for RWLOCK. */
-int
-__pthread_rwlock_rdlock (rwlock)
- pthread_rwlock_t *rwlock;
-{
- int result = 0;
-
- /* Make sure we are along. */
- lll_mutex_lock (rwlock->__data.__lock);
-
- while (1)
- {
- /* Get the rwlock if there is no writer... */
- if (rwlock->__data.__writer == 0
- /* ...and if either no writer is waiting or we prefer readers. */
- && (!rwlock->__data.__nr_writers_queued
- || rwlock->__data.__flags == 0))
- {
- /* Increment the reader counter. Avoid overflow. */
- if (__builtin_expect (++rwlock->__data.__nr_readers == 0, 0))
- {
- /* Overflow on number of readers. */
- --rwlock->__data.__nr_readers;
- result = EAGAIN;
- }
-
- break;
- }
-
- /* Make sure we are not holding the rwlock as a writer. This is
- a deadlock situation we recognize and report. */
- if (__builtin_expect (rwlock->__data.__writer
- == THREAD_GETMEM (THREAD_SELF, tid), 0))
- {
- result = EDEADLK;
- break;
- }
-
- /* Remember that we are a reader. */
- if (__builtin_expect (++rwlock->__data.__nr_readers_queued == 0, 0))
- {
- /* Overflow on number of queued readers. */
- --rwlock->__data.__nr_readers_queued;
- result = EAGAIN;
- break;
- }
-
- int waitval = rwlock->__data.__readers_wakeup;
-
- /* Free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- /* Wait for the writer to finish. */
- lll_futex_wait (&rwlock->__data.__readers_wakeup, waitval);
-
- /* Get the lock. */
- lll_mutex_lock (rwlock->__data.__lock);
-
- --rwlock->__data.__nr_readers_queued;
- }
-
- /* We are done, free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- return result;
-}
-
-weak_alias (__pthread_rwlock_rdlock, pthread_rwlock_rdlock)
-strong_alias (__pthread_rwlock_rdlock, __pthread_rwlock_rdlock_internal)
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_timedrdlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedrdlock.c
deleted file mode 100644
index 80ea83a..0000000
--- a/nptl/sysdeps/pthread/pthread_rwlock_timedrdlock.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/* 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 <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <pthread.h>
-#include <pthreadP.h>
-
-
-/* Try to acquire read lock for RWLOCK or return after specfied time. */
-int
-pthread_rwlock_timedrdlock (rwlock, abstime)
- pthread_rwlock_t *rwlock;
- const struct timespec *abstime;
-{
- int result = 0;
-
- /* Make sure we are along. */
- lll_mutex_lock(rwlock->__data.__lock);
-
- while (1)
- {
- int err;
-
- /* Get the rwlock if there is no writer... */
- if (rwlock->__data.__writer == 0
- /* ...and if either no writer is waiting or we prefer readers. */
- && (!rwlock->__data.__nr_writers_queued
- || rwlock->__data.__flags == 0))
- {
- /* Increment the reader counter. Avoid overflow. */
- if (++rwlock->__data.__nr_readers == 0)
- {
- /* Overflow on number of readers. */
- --rwlock->__data.__nr_readers;
- result = EAGAIN;
- }
-
- break;
- }
-
- /* Make sure we are not holding the rwlock as a writer. This is
- a deadlock situation we recognize and report. */
- if (__builtin_expect (rwlock->__data.__writer
- == THREAD_GETMEM (THREAD_SELF, tid), 0))
- {
- result = EDEADLK;
- break;
- }
-
- /* Make sure the passed in timeout value is valid. Ideally this
- test would be executed once. But since it must not be
- performed if we would not block at all simply moving the test
- to the front is no option. Replicating all the code is
- costly while this test is not. */
- if (__builtin_expect (abstime->tv_nsec >= 1000000000
- || abstime->tv_nsec < 0, 0))
- {
- result = EINVAL;
- break;
- }
-
- /* Get the current time. So far we support only one clock. */
- struct timeval tv;
- (void) gettimeofday (&tv, NULL);
-
- /* Convert the absolute timeout value to a relative timeout. */
- struct timespec rt;
- rt.tv_sec = abstime->tv_sec - tv.tv_sec;
- rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
- if (rt.tv_nsec < 0)
- {
- rt.tv_nsec += 1000000000;
- --rt.tv_sec;
- }
- /* Did we already time out? */
- if (rt.tv_sec < 0)
- {
- /* Yep, return with an appropriate error. */
- result = ETIMEDOUT;
- break;
- }
-
- /* Remember that we are a reader. */
- if (++rwlock->__data.__nr_readers_queued == 0)
- {
- /* Overflow on number of queued readers. */
- --rwlock->__data.__nr_readers_queued;
- result = EAGAIN;
- break;
- }
-
- int waitval = rwlock->__data.__readers_wakeup;
-
- /* Free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- /* Wait for the writer to finish. */
- err = lll_futex_timed_wait (&rwlock->__data.__readers_wakeup,
- waitval, &rt);
-
- /* Get the lock. */
- lll_mutex_lock (rwlock->__data.__lock);
-
- --rwlock->__data.__nr_readers_queued;
-
- /* Did the futex call time out? */
- if (err == -ETIMEDOUT)
- {
- /* Yep, report it. */
- result = ETIMEDOUT;
- break;
- }
- }
-
- /* We are done, free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- return result;
-}
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
deleted file mode 100644
index 97c0598..0000000
--- a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/* 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 <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <pthread.h>
-#include <pthreadP.h>
-
-
-/* Try to acquire write lock for RWLOCK or return after specfied time. */
-int
-pthread_rwlock_timedwrlock (rwlock, abstime)
- pthread_rwlock_t *rwlock;
- const struct timespec *abstime;
-{
- int result = 0;
-
- /* Make sure we are along. */
- lll_mutex_lock (rwlock->__data.__lock);
-
- while (1)
- {
- int err;
-
- /* Get the rwlock if there is no writer and no reader. */
- if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
- {
- /* Mark self as writer. */
- rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid);
- break;
- }
-
- /* Make sure we are not holding the rwlock as a writer. This is
- a deadlock situation we recognize and report. */
- if (__builtin_expect (rwlock->__data.__writer
- == THREAD_GETMEM (THREAD_SELF, tid), 0))
- {
- result = EDEADLK;
- break;
- }
-
- /* Make sure the passed in timeout value is valid. Ideally this
- test would be executed once. But since it must not be
- performed if we would not block at all simply moving the test
- to the front is no option. Replicating all the code is
- costly while this test is not. */
- if (__builtin_expect (abstime->tv_nsec >= 1000000000
- || abstime->tv_nsec < 0, 0))
- {
- result = EINVAL;
- break;
- }
-
- /* Get the current time. So far we support only one clock. */
- struct timeval tv;
- (void) gettimeofday (&tv, NULL);
-
- /* Convert the absolute timeout value to a relative timeout. */
- struct timespec rt;
- rt.tv_sec = abstime->tv_sec - tv.tv_sec;
- rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
- if (rt.tv_nsec < 0)
- {
- rt.tv_nsec += 1000000000;
- --rt.tv_sec;
- }
- /* Did we already time out? */
- if (rt.tv_sec < 0)
- {
- result = ETIMEDOUT;
- break;
- }
-
- /* Remember that we are a writer. */
- if (++rwlock->__data.__nr_writers_queued == 0)
- {
- /* Overflow on number of queued writers. */
- --rwlock->__data.__nr_writers_queued;
- result = EAGAIN;
- break;
- }
-
- int waitval = rwlock->__data.__writer_wakeup;
-
- /* Free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- /* Wait for the writer or reader(s) to finish. */
- err = lll_futex_timed_wait (&rwlock->__data.__writer_wakeup,
- waitval, &rt);
-
- /* Get the lock. */
- lll_mutex_lock (rwlock->__data.__lock);
-
- /* To start over again, remove the thread from the writer list. */
- --rwlock->__data.__nr_writers_queued;
-
- /* Did the futex call time out? */
- if (err == -ETIMEDOUT)
- {
- result = ETIMEDOUT;
- break;
- }
- }
-
- /* We are done, free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- return result;
-}
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_unlock.c b/nptl/sysdeps/pthread/pthread_rwlock_unlock.c
deleted file mode 100644
index 9cae8b6..0000000
--- a/nptl/sysdeps/pthread/pthread_rwlock_unlock.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Copyright (C) 2003 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 <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <pthread.h>
-#include <pthreadP.h>
-
-/* Unlock RWLOCK. */
-int
-__pthread_rwlock_unlock (pthread_rwlock_t *rwlock)
-{
- lll_mutex_lock (rwlock->__data.__lock);
- if (rwlock->__data.__writer)
- rwlock->__data.__writer = 0;
- else
- --rwlock->__data.__nr_readers;
- if (rwlock->__data.__nr_readers == 0)
- {
- if (rwlock->__data.__nr_writers_queued)
- {
- ++rwlock->__data.__writer_wakeup;
- lll_mutex_unlock (rwlock->__data.__lock);
- lll_futex_wake (&rwlock->__data.__writer_wakeup, 1);
- return 0;
- }
- else if (rwlock->__data.__nr_readers_queued)
- {
- ++rwlock->__data.__readers_wakeup;
- lll_mutex_unlock (rwlock->__data.__lock);
- lll_futex_wake (&rwlock->__data.__readers_wakeup, INT_MAX);
- return 0;
- }
- }
- lll_mutex_unlock (rwlock->__data.__lock);
- return 0;
-}
-
-weak_alias (__pthread_rwlock_unlock, pthread_rwlock_unlock)
-strong_alias (__pthread_rwlock_unlock, __pthread_rwlock_unlock_internal)
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c
deleted file mode 100644
index 822aeed..0000000
--- a/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/* Copyright (C) 2003 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 <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <pthread.h>
-#include <pthreadP.h>
-
-
-/* Acquire write lock for RWLOCK. */
-int
-__pthread_rwlock_wrlock (rwlock)
- pthread_rwlock_t *rwlock;
-{
- int result = 0;
-
- /* Make sure we are along. */
- lll_mutex_lock (rwlock->__data.__lock);
-
- while (1)
- {
- /* Get the rwlock if there is no writer and no reader. */
- if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
- {
- /* Mark self as writer. */
- rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid);
- break;
- }
-
- /* Make sure we are not holding the rwlock as a writer. This is
- a deadlock situation we recognize and report. */
- if (__builtin_expect (rwlock->__data.__writer
- == THREAD_GETMEM (THREAD_SELF, tid), 0))
- {
- result = EDEADLK;
- break;
- }
-
- /* Remember that we are a writer. */
- if (++rwlock->__data.__nr_writers_queued == 0)
- {
- /* Overflow on number of queued writers. */
- --rwlock->__data.__nr_writers_queued;
- result = EAGAIN;
- break;
- }
-
- int waitval = rwlock->__data.__writer_wakeup;
-
- /* Free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- /* Wait for the writer or reader(s) to finish. */
- lll_futex_wait (&rwlock->__data.__writer_wakeup, waitval);
-
- /* Get the lock. */
- lll_mutex_lock (rwlock->__data.__lock);
-
- /* To start over again, remove the thread from the writer list. */
- --rwlock->__data.__nr_writers_queued;
- }
-
- /* We are done, free the lock. */
- lll_mutex_unlock (rwlock->__data.__lock);
-
- return result;
-}
-
-weak_alias (__pthread_rwlock_wrlock, pthread_rwlock_wrlock)
-strong_alias (__pthread_rwlock_wrlock, __pthread_rwlock_wrlock_internal)
diff --git a/nptl/sysdeps/pthread/pthread_spin_destroy.c b/nptl/sysdeps/pthread/pthread_spin_destroy.c
deleted file mode 100644
index 4d0109c..0000000
--- a/nptl/sysdeps/pthread/pthread_spin_destroy.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- 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 "pthreadP.h"
-
-
-int
-pthread_spin_destroy (lock)
- pthread_spinlock_t *lock;
-{
- /* Nothing to do. */
- return 0;
-}
diff --git a/nptl/sysdeps/pthread/pthread_spin_init.c b/nptl/sysdeps/pthread/pthread_spin_init.c
deleted file mode 100644
index c227508..0000000
--- a/nptl/sysdeps/pthread/pthread_spin_init.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* pthread_spin_init -- initialize a spin lock. Generic version.
- Copyright (C) 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Paul Mackerras <paulus@au.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 "pthreadP.h"
-
-int
-pthread_spin_init (pthread_spinlock_t *lock, int pshared)
-{
- *lock = 0;
- return 0;
-}
diff --git a/nptl/sysdeps/pthread/pthread_spin_unlock.c b/nptl/sysdeps/pthread/pthread_spin_unlock.c
deleted file mode 100644
index f97cadf..0000000
--- a/nptl/sysdeps/pthread/pthread_spin_unlock.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* pthread_spin_unlock -- unlock a spin lock. Generic version.
- Copyright (C) 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Paul Mackerras <paulus@au.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 "pthreadP.h"
-#include <atomic.h>
-
-int
-pthread_spin_unlock (pthread_spinlock_t *lock)
-{
- atomic_full_barrier ();
- *lock = 0;
- return 0;
-}