diff options
Diffstat (limited to 'nptl/sysdeps/unix')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c | 3 |
2 files changed, 3 insertions, 5 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)) diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c b/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c index c9e6be16b8..16f1279f8d 100644 --- a/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c +++ b/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c @@ -52,7 +52,8 @@ __pthread_once (once_control, init_routine) oldval = val; newval = (oldval & 3) | __fork_generation | 1; - val = __lll_compare_and_swap (once_control, oldval, newval); + val = atomic_compare_and_exchange_val_acq (once_control, newval, + oldval); } while (__builtin_expect (val != oldval, 0)); |