diff options
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h index 877483b22c..eba0ade252 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 |