Method RWLockManager

include/phxcomm/lock_manager.h:35–42

        WRITE = 2,
    };
    RWLockManager(pthread_rwlock_t *mutex, const Type &flag) {
        mutex_ = mutex;
        if (flag == READ) {
            pthread_rwlock_rdlock(mutex_);
        } else if (flag == WRITE) {
            pthread_rwlock_wrlock(mutex_);
        }
    }
    ~RWLockManager() {
        pthread_rwlock_unlock(mutex_);
    }