gevent.py 文件源码

def _unpatch_logging_handlers_lock():
    # we dont want to use logger locks since those are used by both real thread and gevent greenlets
    # switching from one to the other will cause gevent hub to throw an exception
    import logging

    RLock = gevent.monkey.saved['threading']['_CRLock']

    for handler in logging._handlers.values():
        if handler.lock:
            handler.lock = RLock()

    def create_unpatched_lock_for_handler(handler):
        handler.lock = RLock()

    # patch future handlers
    logging.Handler.createLock = create_unpatched_lock_for_handler