resources.py 文件源码

def make(self, dependency_resources):
        """Create and start a new thread pool."""
        from twisted.internet import reactor

        global _threadPool
        if _threadPool is None:
            _threadPool = ThreadPool(minthreads=1, maxthreads=1)
            reactor.callWhenRunning(_threadPool.start)
            reactor.addSystemEventTrigger('during', 'shutdown',
                                          _threadPool.stop)
        return _threadPool