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Work around kernel rejecting valid absolute timestamps.

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This commit is contained in:
Thomas Schwinge 2012-03-08 11:22:41 +01:00
parent c564a81246
commit 2edd9a79e5
2 changed files with 11 additions and 2 deletions
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3
nptl/ChangeLog
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@ -1,5 +1,8 @@
2012-03-08 Thomas Schwinge <thomas@codesourcery.com>
* sysdeps/unix/sysv/linux/sh/lowlevellock.S (__lll_timedlock_wait):
Check for timestamp before the Epoch.
* sysdeps/unix/sysv/linux/sh/sem_timedwait.S (sem_timedwait): Fix
updating nwaiters.

10
nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
View File

@ -1,5 +1,4 @@
/* Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
/* Copyright (C) 2003-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -243,6 +242,12 @@ __lll_timedlock_wait:
bt .Lreltmo
# endif
/* if (timeout->tv_sec < 0) return ETIMEDOUT; */
mov.l @r6, r1
cmp/pz r1
bf/s 5f
mov #ETIMEDOUT, r0
mov r4, r2
mov r5, r4
mov r7, r5
@ -278,6 +283,7 @@ __lll_timedlock_wait:
neg r0, r3
3:
mov r3, r0
5:
rts
mov.l @r15+, r12