diff options
Diffstat (limited to 'sysdeps/nptl/lowlevellock.h')
| -rw-r--r-- | sysdeps/nptl/lowlevellock.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/nptl/lowlevellock.h b/sysdeps/nptl/lowlevellock.h index 6f017afdd5..e905829ee4 100644 --- a/sysdeps/nptl/lowlevellock.h +++ b/sysdeps/nptl/lowlevellock.h @@ -63,8 +63,10 @@ /* If LOCK is 0 (not acquired), set to 1 (acquired with no waiters) and return 0. Otherwise leave lock unchanged and return non-zero to indicate that the lock was not acquired. */ +#define __lll_trylock(lock) \ + __glibc_unlikely (atomic_compare_and_exchange_bool_acq ((lock), 1, 0)) #define lll_trylock(lock) \ - __glibc_unlikely (atomic_compare_and_exchange_bool_acq (&(lock), 1, 0)) + __lll_trylock (&(lock)) /* If LOCK is 0 (not acquired), set to 2 (acquired, possibly with waiters) and return 0. Otherwise leave lock unchanged and return non-zero to indicate |