From: Ulrich Drepper Date: Fri, 30 May 2003 16:32:35 +0000 (+0000) Subject: (lll_mutex_cond_lock): Add one to value parameter of __lll_lock_wait to reflect reali... X-Git-Tag: cvs/glibc-2_3_3~673 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4761520e934209d9c28851ba3d51a2be18ea5379;p=thirdparty%2Fglibc.git (lll_mutex_cond_lock): Add one to value parameter of __lll_lock_wait to reflect reality in the futex syscall. --- diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h index 877483b22c6..eba0ade2521 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h @@ -118,7 +118,10 @@ extern void __lll_lock_wait (int *futex, int val) attribute_hidden; int __val = atomic_exchange_and_add (__futex, 2); \ __asm __volatile (__lll_acq_instr ::: "memory"); \ 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); \ }) extern int __lll_timedlock_wait