diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S index 08a0588910..74e3172ab0 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S @@ -80,15 +80,17 @@ __pthread_cond_wait: addl $1, total_seq(%ebx) adcl $0, total_seq+4(%ebx) -#define FRAME_SIZE 12 +#define FRAME_SIZE 16 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, 4(%esp) movl %edx, 8(%esp) + movl %eax, 12(%esp) /* Unlock. */ 8: LOCK @@ -127,7 +129,11 @@ __pthread_cond_wait: #endif jnz 5f -6: movl woken_seq(%ebx), %eax +6: movl broadcast_seq(%ebx), %eax + cmpl 12(%esp), %eax + jne 16f + + movl woken_seq(%ebx), %eax movl woken_seq+4(%ebx), %ecx movl wakeup_seq(%ebx), %edi @@ -146,7 +152,8 @@ __pthread_cond_wait: 9: addl $1, woken_seq(%ebx) adcl $0, woken_seq+4(%ebx) - LOCK + /* Unlock */ +16: LOCK #if cond_lock == 0 subl $1, (%ebx) #else @@ -264,13 +271,17 @@ __condvar_w_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 |