return 1;
}
+int CRYPTO_atomic_read(int *val, int *ret, CRYPTO_RWLOCK *lock)
+{
+# if defined(__GNUC__) && defined(__ATOMIC_ACQUIRE)
+ if (__atomic_is_lock_free(sizeof(*val), val)) {
+ __atomic_load(val, ret, __ATOMIC_ACQUIRE);
+ return 1;
+ }
+# endif
+ if (!CRYPTO_THREAD_read_lock(lock))
+ return 0;
+
+ *ret = *val;
+
+ if (!CRYPTO_THREAD_unlock(lock))
+ return 0;
+
+ return 1;
+}
+
+int CRYPTO_atomic_write(int *val, int n, CRYPTO_RWLOCK *lock)
+{
+# if defined(__GNUC__) && defined(__ATOMIC_RELEASE)
+ if (__atomic_is_lock_free(sizeof(*val), val)) {
+ __atomic_store(val, &n, __ATOMIC_RELEASE);
+ return 1;
+ }
+# endif
+ if (!CRYPTO_THREAD_write_lock(lock))
+ return 0;
+
+ *val = n;
+
+ if (!CRYPTO_THREAD_unlock(lock))
+ return 0;
+
+ return 1;
+}
+
# ifdef OPENSSL_SYS_UNIX
static pthread_once_t fork_once_control = PTHREAD_ONCE_INIT;