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 | 31 |
1 files changed, 23 insertions, 8 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 acc5a6a5f6..c0fd1a99a8 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 @@ -83,15 +83,17 @@ __pthread_cond_timedwait: addl $1, total_seq(%ebx) adcl $0, total_seq+4(%ebx) -#define FRAME_SIZE 20 +#define FRAME_SIZE 24 subl $FRAME_SIZE, %esp .Lsubl: /* Get and store current wakeup_seq value. */ movl wakeup_seq(%ebx), %edi movl wakeup_seq+4(%ebx), %edx + movl broadcast_seq(%ebx), %eax movl %edi, 12(%esp) movl %edx, 16(%esp) + movl %eax, 20(%esp) /* Get the current time. */ 8: movl %ebx, %edx @@ -139,7 +141,8 @@ __pthread_cond_timedwait: addl $1000000000, %edx subl $1, %ecx 12: testl %ecx, %ecx - js 13f + movl $-ETIMEDOUT, %esi + js 6f /* Store relative timeout. */ 21: movl %ecx, 4(%esp) @@ -184,7 +187,11 @@ __pthread_cond_timedwait: #endif jnz 5f -6: movl woken_seq(%ebx), %eax +6: movl broadcast_seq(%ebx), %eax + cmpl 20(%esp), %eax + jne 23f + + movl woken_seq(%ebx), %eax movl woken_seq+4(%ebx), %ecx movl wakeup_seq(%ebx), %edi @@ -203,16 +210,19 @@ __pthread_cond_timedwait: 15: cmpl $-ETIMEDOUT, %esi jne 8b -13: addl $1, wakeup_seq(%ebx) + addl $1, wakeup_seq(%ebx) adcl $0, wakeup_seq+4(%ebx) movl $ETIMEDOUT, %esi jmp 14f +23: xorl %esi, %esi + jmp 24f + 9: xorl %esi, %esi 14: addl $1, woken_seq(%ebx) adcl $0, woken_seq+4(%ebx) - LOCK +24: LOCK #if cond_lock == 0 subl $1, (%ebx) #else @@ -332,7 +342,8 @@ __pthread_cond_timedwait: addl $1000000000, %edx subl $1, %ecx 20: testl %ecx, %ecx - js 13b + movl $-ETIMEDOUT, %esi + js 6b jmp 21b #endif .size __pthread_cond_timedwait, .-__pthread_cond_timedwait @@ -372,13 +383,17 @@ __condvar_tw_cleanup: #endif call __lll_mutex_lock_wait -1: addl $1, wakeup_seq(%ebx) +1: movl broadcast_seq(%ebx), %eax + cmpl 12(%esp), %eax + jne 3f + + addl $1, wakeup_seq(%ebx) adcl $0, wakeup_seq+4(%ebx) addl $1, woken_seq(%ebx) adcl $0, woken_seq+4(%ebx) - LOCK +3: LOCK #if cond_lock == 0 subl $1, (%ebx) #else |