Method RWLock

src/bthread/rwlock.h:35–41

    typedef bthread_rwlock_t* native_handler_type;

    RWLock() {
        int rc = bthread_rwlock_init(&_rwlock, NULL);
        if (rc) {
            throw std::system_error(std::error_code(rc, std::system_category()),
                                    "RWLock constructor failed");
        }
    }

    ~RWLock() {
        CHECK_EQ(0, bthread_rwlock_destroy(&_rwlock));