diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h index 0caee0cd1f..a715879dbd 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h @@ -101,30 +101,35 @@ #define lll_mutex_trylock(lock) __lll_trylock (&(lock)) -extern void __lll_lock_wait (int *futex, int val) attribute_hidden; +extern void __lll_lock_wait (int *futex) attribute_hidden; #define lll_mutex_lock(lock) \ (void) ({ \ int *__futex = &(lock); \ - if (atomic_compare_and_exchange_bool_acq (__futex, 1, 0) != 0) \ + if (__builtin_expect (atomic_compare_and_exchange_val_acq (__futex, 1, 0),\ + 0) != 0) \ __lll_lock_wait (__futex); \ }) #define lll_mutex_cond_lock(lock) \ (void) ({ \ int *__futex = &(lock); \ - if (atomic_compare_and_exchange_bool_acq (__futex, 2, 0) != 0) \ + if (__builtin_expect (atomic_compare_and_exchange_val_acq (__futex, 2, 0),\ + 0) != 0) \ __lll_lock_wait (__futex); \ }) extern int __lll_timedlock_wait - (int *futex, int val, const struct timespec *) attribute_hidden; + (int *futex, const struct timespec *) attribute_hidden; #define lll_mutex_timedlock(lock, abstime) \ - (void) ({ \ + ({ \ int *__futex = &(lock); \ - if (atomic_compare_and_exchange_bool_acq (__futex, 1, 0) != 0) \ - __lll_timedlock_wait (__futex, abstime); \ + int __val = 0; \ + if (__builtin_expect (atomic_compare_and_exchange_val_acq (__futex, 1, 0),\ + 0) != 0) \ + __val = __lll_timedlock_wait (__futex, abstime); \ + __val; \ }) #define lll_mutex_unlock(lock) \ |