} rwlock_t;
#define RW_LOCK_BIAS 0x01000000
#define RW_LOCK_UNLOCKED (rwlock_t) { { 0 }, { RW_LOCK_BIAS } }
#define rwlock_init(x) do { *(x) = RW_LOCK_UNLOCKED; } while (0)
} rwlock_t;
#define RW_LOCK_BIAS 0x01000000
#define RW_LOCK_UNLOCKED (rwlock_t) { { 0 }, { RW_LOCK_BIAS } }
#define rwlock_init(x) do { *(x) = RW_LOCK_UNLOCKED; } while (0)