?Thanks. That's a good workaround. I can send the signal from the signal handler. -Martin
________________________________ From: zeromq-dev <[email protected]> on behalf of Doron Somech <[email protected]> Sent: Wednesday, January 16, 2019 03:14 To: ZeroMQ development list Subject: Re: [zeromq-dev] pyzmq poller and EINTR [EXTERNAL EMAIL] Add another socket to the zmq_poll, which is a pair, just for signalling the poll to stop. When you want to stop it, send a signal from the paired socket, which you can do from another thread. On Tue, Jan 15, 2019 at 5:50 PM <[email protected]<mailto:[email protected]>> wrote: The C library provides zmq_poll(), which returns -1 on error and set the errno accordingly. I'm particularly interested by errno=EINTR, which means: "The operation was interrupted by delivery of a signal before any events were available." Now if we look at the Python code there is zmq.Poller.poll(timeout=None). This functions returns the list of events that are ready to be processed. There is no mention of how zmq.Poller.poll() behaves when a signal is received. In fact, I did a test and it seems that zmq.Poller.poll() simply cannot be interrupted. I need to implement a loop that is waiting forever on a couple of sockets. However, I want to be able to send a signal (HANGUP) to that process to tell it to stop polling and reload its configuration. Please let me know how I can do this. Thanks. _______________________________________________ zeromq-dev mailing list [email protected]<mailto:[email protected]> https://lists.zeromq.org/mailman/listinfo/zeromq-dev
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