diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h index 6f999221c5..8fa96ed6a2 100644 --- a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h @@ -87,14 +87,11 @@ __r10 == -1 ? -__r8 : __r8; \ }) -#define __lll_compare_and_swap(futex, oldval, newval) \ - __sync_val_compare_and_swap_si ((futex), (oldval), (newval)) - static inline int __attribute__ ((always_inline)) __lll_mutex_trylock (int *futex) { - return __lll_compare_and_swap (futex, 0, 1) != 0; + return atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0; } #define lll_mutex_trylock(futex) __lll_mutex_trylock (&(futex)) |