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 | 26 |
1 files changed, 24 insertions, 2 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 06ad11c11b..1783095ff8 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 @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -202,8 +202,20 @@ __pthread_cond_timedwait: 15: cmpl $-ETIMEDOUT, %esi jne 8b + jmp 24f -13: addl $1, wakeup_seq(%ebx) + /* Lock. */ +13: movl $1, %edx + xorl %eax, %eax + LOCK +#if cond_lock == 0 + cmpxchgl %edx, (%ebx) +#else + cmpxchgl %edx, cond_lock(%ebx) +#endif + jnz 23f + +24: addl $1, wakeup_seq(%ebx) adcl $0, wakeup_seq+4(%ebx) movl $ETIMEDOUT, %esi jmp 14f @@ -335,6 +347,16 @@ __pthread_cond_timedwait: js 13b jmp 21b #endif + + /* Locking after time elapsed failed. */ +23: +#if cond_lock == 0 + movl %ebx, %ecx +#else + leal cond_lock(%ebx), %ecx +#endif + call __lll_mutex_lock_wait + jmp 24b .size __pthread_cond_timedwait, .-__pthread_cond_timedwait versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait, GLIBC_2_3_2) |