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2003-05-30  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/ia64/lowlevellock.h
	(__lll_mutex_cond_lock): Add one to value parameter of
	__lll_lock_wait to reflect reality in the futex syscall.
	* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
	(lll_mutex_cond_lock): Likewise.
This commit is contained in:
Ulrich Drepper 2003-05-30 16:36:18 +00:00
parent 4761520e93
commit 50794a453b
2 changed files with 12 additions and 1 deletions
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8
nptl/ChangeLog
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@ -1,3 +1,11 @@
2003-05-30 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h
(__lll_mutex_cond_lock): Add one to value parameter of
__lll_lock_wait to reflect reality in the futex syscall.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
(lll_mutex_cond_lock): Likewise.
2003-05-30 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/s390/lowlevellock.h (__lll_mutex_cond_lock):

5
nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
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@ -142,7 +142,10 @@ __lll_mutex_cond_lock (int *futex)
int val = atomic_exchange_and_add (futex, 2);
if (__builtin_expect (val != 0, 0))
__lll_lock_wait (futex, val);
/* Note, the val + 1 is kind of ugly here. __lll_lock_wait will add
1 again. But we added 2 to the futex value so this is the right
value which will be passed to the kernel. */
__lll_lock_wait (futex, val + 1);
}
#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))