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* sysdeps/unix/sysv/linux/sh/lowlevellock.S (__lll_timedlock_wait):

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Store 2 before returning ETIMEDOUT.
This commit is contained in:
Ulrich Drepper 2007-12-05 02:31:48 +00:00
parent da0ff4ae5b
commit 191ec77f9b
2 changed files with 23 additions and 28 deletions
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5
nptl/ChangeLog
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@ -1,3 +1,8 @@
2007-12-04 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/lowlevellock.S (__lll_timedlock_wait):
Store 2 before returning ETIMEDOUT.
2007-11-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S (__lll_timedlock_wait):

46
nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
View File

@ -225,6 +225,12 @@ __lll_timedlock_wait:
add #-8, r15
cfi_adjust_cfa_offset(8)
mov #2, r2
XCHG (r2, @r8, r3)
tst r3, r3
bt 6f
1:
/* Get current time. */
mov r15, r4
@ -250,17 +256,11 @@ __lll_timedlock_wait:
add #-1, r2
4:
cmp/pz r2
bf 5f /* Time is already up. */
bf 2f /* Time is already up. */
mov.l r2, @r15 /* Store relative timeout. */
mov.l r3, @(4,r15)
mov #1, r3
mov #2, r4
CMPXCHG (r3, @r8, r4, r2)
tst r2, r2
bt 8f
mov r8, r4
mov r11, r5
LOAD_FUTEX_WAIT (r5, r0, r1)
@ -272,39 +272,29 @@ __lll_timedlock_wait:
SYSCALL_INST_PAD
mov r0, r5
8:
mov #0, r3
mov #2, r4
CMPXCHG (r3, @r8, r4, r2)
bf/s 7f
mov #0, r0
mov #2, r2
XCHG (r2, @r8, r3)
tst r3, r3
bt/s 6f
mov #-ETIMEDOUT, r1
cmp/eq r5, r1
bf 1b
2: mov #ETIMEDOUT, r3
6:
mov r3, r0
add #8, r15
mov.l @r15+, r8
mov.l @r15+, r9
mov.l @r15+, r10
rts
mov.l @r15+, r11
7:
/* Check whether the time expired. */
mov #-ETIMEDOUT, r1
cmp/eq r5, r1
bt 5f
/* Make sure the current holder knows we are going to sleep. */
XCHG (r2, @r8, r3)
tst r3, r3
bt/s 6b
mov #0, r0
bra 1b
nop
3:
rts
mov #EINVAL, r0
5:
bra 6b
mov #ETIMEDOUT, r0
cfi_endproc
.L1k: