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authorJakub Jelinek <jakub@redhat.com>2006-01-04 07:58:23 +0000
committerJakub Jelinek <jakub@redhat.com>2006-01-04 07:58:23 +0000
commit04c414477bd220f2c842453314a6dbb928e3c9e6 (patch)
tree8052cfeac9ce6b340d133433674270ad6a293af9 /nptl/sysdeps/unix/sysv/linux/sparc
parent1df14a6af0eed9687fb62130fac201f2f067a936 (diff)
Updated to fedora-glibc-20060104T0754cvs/fedora-glibc-2_3_90-26
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h25
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c131
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c62
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c100
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c63
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c54
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c117
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c59
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c74
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c1
16 files changed, 680 insertions, 12 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
index 8d12db3a16..ad82aa3ea4 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -79,7 +79,11 @@
})
/* Returns non-zero if error happened, zero if success. */
-#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
+#ifdef __sparc32_atomic_do_lock
+/* Avoid FUTEX_WAKE_OP if supporting pre-v9 CPUs. */
+# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) 1
+#else
+# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
({ \
INTERNAL_SYSCALL_DECL (__err); \
long int __ret; \
@@ -90,16 +94,13 @@
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \
INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
})
-
-#ifdef __sparc32_atomic_do_lock
-#error SPARC < v9 does not support compare and swap which is essential for futex based locking
#endif
static inline int
__attribute__ ((always_inline))
__lll_mutex_trylock (int *futex)
{
- return atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0;
+ return atomic_compare_and_exchange_val_24_acq (futex, 1, 0) != 0;
}
#define lll_mutex_trylock(futex) __lll_mutex_trylock (&(futex))
@@ -107,7 +108,7 @@ static inline int
__attribute__ ((always_inline))
__lll_mutex_cond_trylock (int *futex)
{
- return atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0;
+ return atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0;
}
#define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex))
@@ -119,7 +120,7 @@ static inline void
__attribute__ ((always_inline))
__lll_mutex_lock (int *futex)
{
- int val = atomic_compare_and_exchange_val_acq (futex, 1, 0);
+ int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0);
if (__builtin_expect (val != 0, 0))
__lll_lock_wait (futex);
@@ -131,7 +132,7 @@ static inline void
__attribute__ ((always_inline))
__lll_mutex_cond_lock (int *futex)
{
- int val = atomic_compare_and_exchange_val_acq (futex, 2, 0);
+ int val = atomic_compare_and_exchange_val_24_acq (futex, 2, 0);
if (__builtin_expect (val != 0, 0))
__lll_lock_wait (futex);
@@ -147,7 +148,7 @@ static inline int
__attribute__ ((always_inline))
__lll_mutex_timedlock (int *futex, const struct timespec *abstime)
{
- int val = atomic_compare_and_exchange_val_acq (futex, 1, 0);
+ int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0);
int result = 0;
if (__builtin_expect (val != 0, 0))
@@ -160,7 +161,7 @@ __lll_mutex_timedlock (int *futex, const struct timespec *abstime)
#define lll_mutex_unlock(lock) \
((void) ({ \
int *__futex = &(lock); \
- int __val = atomic_exchange_rel (__futex, 0); \
+ int __val = atomic_exchange_24_rel (__futex, 0); \
if (__builtin_expect (__val > 1, 0)) \
lll_futex_wake (__futex, 1); \
}))
@@ -168,7 +169,7 @@ __lll_mutex_timedlock (int *futex, const struct timespec *abstime)
#define lll_mutex_unlock_force(lock) \
((void) ({ \
int *__futex = &(lock); \
- (void) atomic_exchange_rel (__futex, 0); \
+ (void) atomic_exchange_24_rel (__futex, 0); \
lll_futex_wake (__futex, 1); \
}))
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c
new file mode 100644
index 0000000000..a7611d6a88
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c
@@ -0,0 +1,131 @@
+/* low level locking for pthread library. SPARC version.
+ Copyright (C) 2003, 2006 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 <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <sys/time.h>
+
+
+void
+__lll_lock_wait (int *futex)
+{
+ do
+ {
+ int oldval = atomic_compare_and_exchange_val_24_acq (futex, 2, 1);
+ if (oldval != 0)
+ lll_futex_wait (futex, 2);
+ }
+ while (atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0);
+}
+
+
+int
+__lll_timedlock_wait (int *futex, const struct timespec *abstime)
+{
+ /* Reject invalid timeouts. */
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
+ return EINVAL;
+
+ do
+ {
+ struct timeval tv;
+ struct timespec rt;
+
+ /* Get the current time. */
+ (void) __gettimeofday (&tv, NULL);
+
+ /* Compute relative timeout. */
+ 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;
+ }
+
+ /* Already timed out? */
+ if (rt.tv_sec < 0)
+ return ETIMEDOUT;
+
+ /* Wait. */
+ int oldval = atomic_compare_and_exchange_val_24_acq (futex, 2, 1);
+ if (oldval != 0)
+ lll_futex_timed_wait (futex, 2, &rt);
+ }
+ while (atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0);
+
+ return 0;
+}
+
+
+/* These don't get included in libc.so */
+#ifdef IS_IN_libpthread
+int
+lll_unlock_wake_cb (int *futex)
+{
+ int val = atomic_exchange_24_rel (futex, 0);
+
+ if (__builtin_expect (val > 1, 0))
+ lll_futex_wake (futex, 1);
+
+ return 0;
+}
+
+
+int
+__lll_timedwait_tid (int *tidp, const struct timespec *abstime)
+{
+ int tid;
+
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
+ return EINVAL;
+
+ /* Repeat until thread terminated. */
+ while ((tid = *tidp) != 0)
+ {
+ struct timeval tv;
+ struct timespec rt;
+
+ /* Get the current time. */
+ (void) __gettimeofday (&tv, NULL);
+
+ /* Compute relative timeout. */
+ 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;
+ }
+
+ /* Already timed out? */
+ if (rt.tv_sec < 0)
+ return ETIMEDOUT;
+
+ /* Wait until thread terminates. */
+ if (lll_futex_timed_wait (tidp, tid, &rt) == -ETIMEDOUT)
+ return ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c
new file mode 100644
index 0000000000..bbd08d0041
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 2002, 2006 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 <errno.h>
+#include "pthreadP.h"
+#include <lowlevellock.h>
+
+struct sparc_pthread_barrier
+{
+ struct pthread_barrier b;
+ unsigned char left_lock;
+ unsigned char pshared;
+};
+
+int
+pthread_barrier_init (barrier, attr, count)
+ pthread_barrier_t *barrier;
+ const pthread_barrierattr_t *attr;
+ unsigned int count;
+{
+ struct sparc_pthread_barrier *ibarrier;
+
+ if (__builtin_expect (count == 0, 0))
+ return EINVAL;
+
+ struct pthread_barrierattr *iattr = (struct pthread_barrierattr *) attr;
+ if (iattr != NULL)
+ {
+ if (iattr->pshared != PTHREAD_PROCESS_PRIVATE
+ && __builtin_expect (iattr->pshared != PTHREAD_PROCESS_SHARED, 0))
+ /* Invalid attribute. */
+ return EINVAL;
+ }
+
+ ibarrier = (struct sparc_pthread_barrier *) barrier;
+
+ /* Initialize the individual fields. */
+ ibarrier->b.lock = LLL_LOCK_INITIALIZER;
+ ibarrier->b.left = count;
+ ibarrier->b.init_count = count;
+ ibarrier->b.curr_event = 0;
+ ibarrier->left_lock = 0;
+ ibarrier->pshared = (iattr && iattr->pshared == PTHREAD_PROCESS_SHARED);
+
+ return 0;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c
new file mode 100644
index 0000000000..4dfd11dcbe
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c
@@ -0,0 +1,100 @@
+/* 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 <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <pthreadP.h>
+
+struct sparc_pthread_barrier
+{
+ struct pthread_barrier b;
+ unsigned char left_lock;
+ unsigned char pshared;
+};
+
+/* Wait on barrier. */
+int
+pthread_barrier_wait (barrier)
+ pthread_barrier_t *barrier;
+{
+ struct sparc_pthread_barrier *ibarrier
+ = (struct sparc_pthread_barrier *) barrier;
+ int result = 0;
+
+ /* Make sure we are alone. */
+ lll_lock (ibarrier->b.lock);
+
+ /* One more arrival. */
+ --ibarrier->b.left;
+
+ /* Are these all? */
+ if (ibarrier->b.left == 0)
+ {
+ /* Yes. Increment the event counter to avoid invalid wake-ups and
+ tell the current waiters that it is their turn. */
+ ++ibarrier->b.curr_event;
+
+ /* Wake up everybody. */
+ lll_futex_wake (&ibarrier->b.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->b.curr_event;
+
+ /* Before suspending, make the barrier available to others. */
+ lll_unlock (ibarrier->b.lock);
+
+ /* Wait for the event counter of the barrier to change. */
+ do
+ lll_futex_wait (&ibarrier->b.curr_event, event);
+ while (event == ibarrier->b.curr_event);
+ }
+
+ /* Make sure the init_count is stored locally or in a register. */
+ unsigned int init_count = ibarrier->b.init_count;
+
+ /* If this was the last woken thread, unlock. */
+ if (__atomic_is_v9 || ibarrier->pshared == 0)
+ {
+ if (atomic_increment_val (&ibarrier->b.left) == init_count)
+ /* We are done. */
+ lll_unlock (ibarrier->b.lock);
+ }
+ else
+ {
+ unsigned int left;
+ /* Slightly more complicated. On pre-v9 CPUs, atomic_increment_val
+ is only atomic for threads within the same process, not for
+ multiple processes. */
+ __sparc32_atomic_do_lock24 (&ibarrier->left_lock);
+ left = ++ibarrier->b.left;
+ __sparc32_atomic_do_unlock24 (&ibarrier->left_lock);
+ if (left == init_count)
+ /* We are done. */
+ lll_unlock (ibarrier->b.lock);
+ }
+
+ return result;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c
new file mode 100644
index 0000000000..dffd8c7efa
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2002, 2006 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 <errno.h>
+#include <semaphore.h>
+#include <lowlevellock.h>
+#include <shlib-compat.h>
+#include "semaphoreP.h"
+
+struct sparc_sem
+{
+ struct sem s;
+ unsigned char lock;
+};
+
+
+int
+__new_sem_init (sem, pshared, value)
+ sem_t *sem;
+ int pshared;
+ unsigned int value;
+{
+ /* Parameter sanity check. */
+ if (__builtin_expect (value > SEM_VALUE_MAX, 0))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ /* Map to the internal type. */
+ struct sparc_sem *isem = (struct sparc_sem *) sem;
+
+ /* Use the value the user provided. */
+ isem->s.count = value;
+
+ isem->lock = 0;
+
+ /* We can completely ignore the PSHARED parameter since inter-process
+ use needs no special preparation. */
+
+ return 0;
+}
+versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1);
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_init, __old_sem_init)
+compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c
new file mode 100644
index 0000000000..be1cc60b11
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c
@@ -0,0 +1,54 @@
+/* sem_post -- post to a POSIX semaphore. SPARC version.
+ Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.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 <internaltypes.h>
+#include <semaphore.h>
+
+#include <shlib-compat.h>
+
+int
+__new_sem_post (sem_t *sem)
+{
+ int *futex = (int *) sem, nr;
+
+ if (__atomic_is_v9)
+ nr = atomic_increment_val (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ nr = ++*futex;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ int err = lll_futex_wake (futex, nr);
+ if (__builtin_expect (err, 0) < 0)
+ {
+ __set_errno (-err);
+ return -1;
+ }
+ return 0;
+}
+versioned_symbol (libpthread, __new_sem_post, sem_post, GLIBC_2_1);
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_post, __old_sem_post)
+compat_symbol (libpthread, __old_sem_post, sem_post, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c
new file mode 100644
index 0000000000..efcc9e9aa8
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c
@@ -0,0 +1,117 @@
+/* sem_timedwait -- wait on a semaphore. SPARC version.
+ Copyright (C) 2003, 2006 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 <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <pthreadP.h>
+#include <shlib-compat.h>
+
+
+int
+sem_timedwait (sem_t *sem, const struct timespec *abstime)
+{
+ /* First check for cancellation. */
+ CANCELLATION_P (THREAD_SELF);
+
+ int *futex = (int *) sem;
+ int val;
+ int err;
+
+ if (*futex > 0)
+ {
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ if (val > 0)
+ return 0;
+ }
+
+ err = -EINVAL;
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
+ goto error_return;
+
+ do
+ {
+ struct timeval tv;
+ struct timespec rt;
+ int sec, nsec;
+
+ /* Get the current time. */
+ __gettimeofday (&tv, NULL);
+
+ /* Compute relative timeout. */
+ sec = abstime->tv_sec - tv.tv_sec;
+ nsec = abstime->tv_nsec - tv.tv_usec * 1000;
+ if (nsec < 0)
+ {
+ nsec += 1000000000;
+ --sec;
+ }
+
+ /* Already timed out? */
+ err = -ETIMEDOUT;
+ if (sec < 0)
+ goto error_return;
+
+ /* Do wait. */
+ rt.tv_sec = sec;
+ rt.tv_nsec = nsec;
+
+ /* Enable asynchronous cancellation. Required by the standard. */
+ int oldtype = __pthread_enable_asynccancel ();
+
+ err = lll_futex_timed_wait (futex, 0, &rt);
+
+ /* Disable asynchronous cancellation. */
+ __pthread_disable_asynccancel (oldtype);
+
+ if (err != 0 && err != -EWOULDBLOCK)
+ goto error_return;
+
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ }
+ while (val <= 0);
+
+ return 0;
+
+ error_return:
+ __set_errno (-err);
+ return -1;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c
new file mode 100644
index 0000000000..429494e257
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c
@@ -0,0 +1,59 @@
+/* sem_trywait -- wait on a semaphore. SPARC version.
+ Copyright (C) 2003, 2006 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 <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <shlib-compat.h>
+
+
+int
+__new_sem_trywait (sem_t *sem)
+{
+ int *futex = (int *) sem;
+ int val;
+
+ if (*futex > 0)
+ {
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ if (val > 0)
+ return 0;
+ }
+
+ __set_errno (EAGAIN);
+ return -1;
+}
+versioned_symbol (libpthread, __new_sem_trywait, sem_trywait, GLIBC_2_1);
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_trywait, __old_sem_trywait)
+compat_symbol (libpthread, __old_sem_trywait, sem_trywait, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c
new file mode 100644
index 0000000000..d9fcdcd4ee
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c
@@ -0,0 +1,74 @@
+/* sem_wait -- wait on a semaphore. SPARC version.
+ Copyright (C) 2003, 2006 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 <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <pthreadP.h>
+#include <shlib-compat.h>
+
+
+int
+__new_sem_wait (sem_t *sem)
+{
+ /* First check for cancellation. */
+ CANCELLATION_P (THREAD_SELF);
+
+ int *futex = (int *) sem;
+ int err;
+
+ do
+ {
+ int val;
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ if (val > 0)
+ return 0;
+
+ /* Enable asynchronous cancellation. Required by the standard. */
+ int oldtype = __pthread_enable_asynccancel ();
+
+ err = lll_futex_wait (futex, 0);
+
+ /* Disable asynchronous cancellation. */
+ __pthread_disable_asynccancel (oldtype);
+ }
+ while (err == 0 || err == -EWOULDBLOCK);
+
+ __set_errno (-err);
+ return -1;
+}
+
+versioned_symbol (libpthread, __new_sem_wait, sem_wait, GLIBC_2_1);
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_wait, __old_sem_wait)
+compat_symbol (libpthread, __old_sem_wait, sem_wait, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c
new file mode 100644
index 0000000000..b2b842336e
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c
@@ -0,0 +1 @@
+#include "../../../../../../../pthread_barrier_init.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c
new file mode 100644
index 0000000000..7613863bba
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c
@@ -0,0 +1 @@
+#include "../../../../../../pthread/pthread_barrier_wait.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c
new file mode 100644
index 0000000000..b2ebc4cbb5
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c
@@ -0,0 +1 @@
+#include "../../../../../../../sem_init.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c
new file mode 100644
index 0000000000..4a6eac88f5
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c
@@ -0,0 +1 @@
+#include "../../../sem_post.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c
new file mode 100644
index 0000000000..b2526db02c
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c
@@ -0,0 +1 @@
+#include "../../../sem_timedwait.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c
new file mode 100644
index 0000000000..aae46f725e
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c
@@ -0,0 +1 @@
+#include "../../../sem_trywait.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c
new file mode 100644
index 0000000000..31157f636f
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c
@@ -0,0 +1 @@
+#include "../../../sem_wait.c"