diff options
Diffstat (limited to 'crypto/threads_pthread.c')
| -rw-r--r-- | crypto/threads_pthread.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/threads_pthread.c b/crypto/threads_pthread.c index 9f4ae76bf8..5cc48afb16 100644 --- a/crypto/threads_pthread.c +++ b/crypto/threads_pthread.c @@ -110,8 +110,11 @@ int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b) int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock) { # if defined(__GNUC__) && defined(__ATOMIC_ACQ_REL) - *ret = __atomic_add_fetch(val, amount, __ATOMIC_ACQ_REL); -# else + if (__atomic_is_lock_free(sizeof(*val), val)) { + *ret = __atomic_add_fetch(val, amount, __ATOMIC_ACQ_REL); + return 1; + } +# endif if (!CRYPTO_THREAD_write_lock(lock)) return 0; @@ -120,7 +123,6 @@ int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock) if (!CRYPTO_THREAD_unlock(lock)) return 0; -# endif return 1; } |