Method unrefer

lib_acl_cpp/src/connpool/connect_pool.cpp:110–119

}

void connect_pool::unrefer()
{
	lock_.lock();
	if (--refers_ <= 0 && delay_destroy_) {
		lock_.unlock();
		delete this;
	} else {
		lock_.unlock();
	}
}

void connect_pool::set_key(const char* key)
{