[zeromq-dev] Possible zpoller issue

[Doron Somech]

I'm guessing you are building libzmq from master including draft?

I think the return value from zmq_poller_wait changed to EAGAIN on time
out. CZMQ is still checking for ETIMEDOUT. We should fix CZMQ to check for
either.

https://github.com/zeromq/czmq/blob/master/src/zpoller.c#L233



On Sep 16, 2017 06:53, "Justin Azoff" <justin.azoff at gmail.com> wrote:

> Am I doing something wrong with zpoller here, or is this a bug?
>
> #include "czmq_library.h"
>
> int main(int argc, char **argv)
> {
>
>     zsock_t * sock =  zsock_new (ZMQ_DEALER);
>     zsock_connect(sock, "tcp://172.0.0.1:9999");
>     zpoller_t *poller = zpoller_new (NULL);
>     if(zpoller_add (poller, sock)) {
>         zsys_debug("add failed?!?");
>     }
>     zsys_debug("Polling...");
>     void *ret = zpoller_wait (poller, 3000);
>     zsys_debug("Done.");
>     zsys_debug("zpoller_wait() is %s", ret ? "not null" : "null");
>
>     zsys_debug("zpoller_expired() is %s", zpoller_expired(poller) ?
> "true" : "false");
>     zsys_debug("zpoller_terminated() is %s",
> zpoller_terminated(poller) ? "true" : "false");
>     zsock_destroy(&sock);
>
> }
>
>  $ make && ./poll
> make: Nothing to be done for `all'.
> D: 17-09-15 22:49:23 Polling...
> D: 17-09-15 22:49:26 Done.
> D: 17-09-15 22:49:26 zpoller_wait() is null
> D: 17-09-15 22:49:26 zpoller_expired() is false
> D: 17-09-15 22:49:26 zpoller_terminated() is false
>
> I was expecting expired to return True.
>
>
>
> --
> - Justin
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