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authorUlrich Drepper <drepper@redhat.com>2004-06-01 18:14:07 +0000
committerUlrich Drepper <drepper@redhat.com>2004-06-01 18:14:07 +0000
commit016deb4c4fb9c52abe842bfc468af2ea38691dbc (patch)
tree9324385be04aa939183f339859dd40c226d3cf5a /nptl
parentd3db7f92583a0075d71f638364b296addab35b89 (diff)
downloadglibc-016deb4c4fb9c52abe842bfc468af2ea38691dbc.tar.gz
glibc-016deb4c4fb9c52abe842bfc468af2ea38691dbc.tar.xz
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(__condvar_tw_cleanup): Fix access to saved broadcast_seq value.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S32
1 files changed, 19 insertions, 13 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
index c0fd1a99a8..305fa4d5d7 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
@@ -82,6 +82,7 @@ __pthread_cond_timedwait:
 
 	addl	$1, total_seq(%ebx)
 	adcl	$0, total_seq+4(%ebx)
+	addl	$1, cond_futex(%ebx)
 
 #define FRAME_SIZE 24
 	subl	$FRAME_SIZE, %esp
@@ -148,6 +149,8 @@ __pthread_cond_timedwait:
 21:	movl	%ecx, 4(%esp)
 	movl	%edx, 8(%esp)
 
+	movl	cond_futex(%ebx), %edi
+
 	/* Unlock.  */
 	LOCK
 #if cond_lock == 0
@@ -164,12 +167,12 @@ __pthread_cond_timedwait:
 	leal	4(%esp), %esi
 	xorl	%ecx, %ecx	/* movl $FUTEX_WAIT, %ecx */
 	movl	%edi, %edx
-	addl	$wakeup_seq, %ebx
-.Ladd_wakeup:
+	addl	$cond_futex, %ebx
+.Ladd_cond_futex:
 	movl	$SYS_futex, %eax
 	ENTER_KERNEL
-	subl	$wakeup_seq, %ebx
-.Lsub_wakeup:
+	subl	$cond_futex, %ebx
+.Lsub_cond_futex:
 	movl	%eax, %esi
 
 	movl	(%esp), %eax
@@ -212,6 +215,7 @@ __pthread_cond_timedwait:
 
 	addl	$1, wakeup_seq(%ebx)
 	adcl	$0, wakeup_seq+4(%ebx)
+	addl	$1, cond_futex(%ebx)
 	movl	$ETIMEDOUT, %esi
 	jmp	14f
 
@@ -359,7 +363,7 @@ __condvar_tw_cleanup3:
 	.size	__condvar_tw_cleanup3, .-__condvar_tw_cleanup3
 	.type	__condvar_tw_cleanup2, @function
 __condvar_tw_cleanup2:
-	subl	$wakeup_seq, %ebx
+	subl	$cond_futex, %ebx
 	.size	__condvar_tw_cleanup2, .-__condvar_tw_cleanup2
 	.type	__condvar_tw_cleanup, @function
 __condvar_tw_cleanup:
@@ -384,12 +388,14 @@ __condvar_tw_cleanup:
 	call	__lll_mutex_lock_wait
 
 1:	movl	broadcast_seq(%ebx), %eax
-	cmpl	12(%esp), %eax
+	cmpl	20(%esp), %eax
 	jne	3f
 
 	addl	$1, wakeup_seq(%ebx)
 	adcl	$0, wakeup_seq+4(%ebx)
 
+	addl	$1, cond_futex(%ebx)
+
 	addl	$1, woken_seq(%ebx)
 	adcl	$0, woken_seq+4(%ebx)
 
@@ -409,7 +415,7 @@ __condvar_tw_cleanup:
 	call	__lll_mutex_unlock_wake
 
 	/* Wake up all waiters to make sure no signal gets lost.  */
-2:	addl	$wakeup_seq, %ebx
+2:	addl	$cond_futex, %ebx
 	movl	$FUTEX_WAKE, %ecx
 	movl	$SYS_futex, %eax
 	movl	$0x7fffffff, %edx
@@ -435,7 +441,7 @@ __condvar_tw_cleanup:
 	.uleb128 .Lcstend-.Lcstbegin
 .Lcstbegin:
 	.long	.LcleanupSTART-.LSTARTCODE
-	.long	.Ladd_wakeup-.LcleanupSTART
+	.long	.Ladd_cond_futex-.LcleanupSTART
 	.long	__condvar_tw_cleanup-.LSTARTCODE
 	.uleb128  0
 	.long	.LebxmovedUR-.LSTARTCODE
@@ -443,15 +449,15 @@ __condvar_tw_cleanup:
 	.long	__condvar_tw_cleanup3-.LSTARTCODE
 	.uleb128  0
 	.long	.LebxmovedUR-.LSTARTCODE
-	.long	.Ladd_wakeup-.LebxmovedUR
+	.long	.Ladd_cond_futex-.LebxmovedUR
 	.long	__condvar_tw_cleanup-.LSTARTCODE
 	.uleb128  0
-	.long	.Ladd_wakeup-.LSTARTCODE
-	.long	.Lsub_wakeup-.Ladd_wakeup
+	.long	.Ladd_cond_futex-.LSTARTCODE
+	.long	.Lsub_cond_futex-.Ladd_cond_futex
 	.long	__condvar_tw_cleanup2-.LSTARTCODE
 	.uleb128  0
-	.long	.Lsub_wakeup-.LSTARTCODE
-	.long	.LcleanupEND-.Lsub_wakeup
+	.long	.Lsub_cond_futex-.LSTARTCODE
+	.long	.LcleanupEND-.Lsub_cond_futex
 	.long	__condvar_tw_cleanup-.LSTARTCODE
 	.uleb128  0
 	.long	.LcallUR-.LSTARTCODE