diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S | 21 |
1 files changed, 12 insertions, 9 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 f88d2d33bb..5799d8f862 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 @@ -56,12 +56,13 @@ __pthread_cond_timedwait: movl 28(%esp), %ebp /* Get internal lock. */ - movl $1, %eax + movl $1, %edx + xorl %eax, %eax LOCK #if cond_lock == 0 - xaddl %eax, (%ebx) + cmpxchgl %edx, (%ebx) #else - xaddl %eax, cond_lock(%ebx) + cmpxchgl %edx, cond_lock(%ebx) #endif testl %eax, %eax jne 1f @@ -170,12 +171,13 @@ __pthread_cond_timedwait: .LcleanupEND: /* Lock. */ - movl $1, %eax + movl $1, %edx + xorl %eax, %eax LOCK #if cond_lock == 0 - xaddl %eax, (%ebx) + cmpxchgl %edx, (%ebx) #else - xaddl %eax, cond_lock(%ebx) + cmpxchgl %edx, cond_lock(%ebx) #endif testl %eax, %eax jne 5f @@ -353,12 +355,13 @@ __condvar_tw_cleanup: movl %eax, %esi /* Get internal lock. */ - movl $1, %eax + movl $1, %edx + xorl %eax, %eax LOCK #if cond_lock == 0 - xaddl %eax, (%ebx) + cmpxchgl %edx, (%ebx) #else - xaddl %eax, cond_lock(%ebx) + cmpxchgl %edx, cond_lock(%ebx) #endif testl %eax, %eax je 1f |