typedef void CRYPTO_RWLOCK;
CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
-CRYPTO_RWLOCK *CRYPTO_THREAD_glock_new(const char *name);
int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);