-#define smc_special_trylock(lock, flags) (1)
-#define smc_special_lock(lock, flags) do { } while (0)
-#define smc_special_unlock(lock, flags) do { } while (0)
+#define smc_special_trylock(lock, flags) (flags == flags)
+#define smc_special_lock(lock, flags) do { flags = 0; } while (0)
+#define smc_special_unlock(lock, flags) do { flags = 0; } while (0)