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authorUlrich Drepper <drepper@redhat.com>2003-11-21 10:00:11 +0000
committerUlrich Drepper <drepper@redhat.com>2003-11-21 10:00:11 +0000
commite42a990eccb6ce79650db5fb713b94732df82f4d (patch)
tree95d395c4c8c069d3d93fe99895c0fb5415ef9d48 /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
parentbf68b2366d75a427ec74084e97e242d460196db0 (diff)
Update.
* sysdeps/pthread/pthread_cond_wait.c (__pthread_cond_wait): Don't store mutex address if the current value is ~0l. * sysdeps/pthread/pthread_cond_timedwait.c (__pthread_cond_timedwait): Likewise. * sysdeps/pthread/pthread_cond_broadcast.c (__pthread_cond_broadcast): Don't use requeue for pshared condvars. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S (__pthread_cond_wait): Don't store mutex address if the current value is ~0l. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S (__pthread_cond_timedwait): Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S (__pthread_cond_broadcast): Don't use requeue for pshared condvars. * pthread_cond_init.c (__pthread_cond_init): Initialize __mutex element with ~0l for pshared condvars, with NULL otherwise. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S (__pthread_cond_wait): Don't store mutex address if the current value is ~0l. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S (__pthread_cond_timedwait): Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S (__pthread_cond_broadcast): Don't use requeue for pshared condvars.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S10
1 files changed, 5 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
index e6b2bbf19c..8e26681b3b 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
@@ -72,8 +72,11 @@ __pthread_cond_broadcast:
decl cond_lock-wakeup_seq(%rdi)
jne 7f
+8: cmpq $-1, %r8
+ je 9f
+
/* Wake up all threads. */
-8: movq $FUTEX_REQUEUE, %rsi
+ movq $FUTEX_REQUEUE, %rsi
movq $SYS_futex, %rax
movl $1, %edx
movq $0x7fffffff, %r10
@@ -82,10 +85,9 @@ __pthread_cond_broadcast:
#ifndef __ASSUME_FUTEX_REQUEUE
cmpq $-EINVAL, %rax
je 9f
-10:
#endif
- xorl %eax, %eax
+10: xorl %eax, %eax
retq
.align 16
@@ -119,14 +121,12 @@ __pthread_cond_broadcast:
subq $cond_lock-wakeup_seq, %rdi
jmp 8b
-#ifndef __ASSUME_FUTEX_REQUEUE
9: /* The futex requeue functionality is not available. */
movq $0x7fffffff, %rdx
movq $FUTEX_WAKE, %rsi
movq $SYS_futex, %rax
syscall
jmp 10b
-#endif
.size __pthread_cond_broadcast, .-__pthread_cond_broadcast
versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast,
GLIBC_2_3_2)