diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S index cdcf6d2914..8d09e22afd 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S @@ -83,8 +83,12 @@ __pthread_cond_broadcast: subl $1, cond_lock-wakeup_seq(%ebx) jne 7f + /* Don't use requeue for pshared condvars. */ +8: cmpl $-1, %edi + je 9f + /* Wake up all threads. */ -8: movl $FUTEX_REQUEUE, %ecx + movl $FUTEX_REQUEUE, %ecx movl $SYS_futex, %eax movl $0x7fffffff, %esi movl $1, %edx @@ -97,10 +101,9 @@ __pthread_cond_broadcast: #ifndef __ASSUME_FUTEX_REQUEUE cmpl $-EINVAL, %eax je 9f -10: #endif - xorl %eax, %eax +10: xorl %eax, %eax popl %edi popl %esi popl %ebx @@ -138,14 +141,12 @@ __pthread_cond_broadcast: call __lll_mutex_unlock_wake jmp 8b -#ifndef __ASSUME_FUTEX_REQUEUE 9: /* The futex requeue functionality is not available. */ movl $0x7fffffff, %edx movl $FUTEX_WAKE, %ecx movl $SYS_futex, %eax ENTER_KERNEL jmp 10b -#endif .size __pthread_cond_broadcast, .-__pthread_cond_broadcast versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast, GLIBC_2_3_2) |