[zeromq-dev] Assertion failed: pfd.revents & POLLIN (src/signaler.cpp:243)

Marcin Romaszewicz marcin at brkt.com
Fri Sep 29 20:08:20 CEST 2017


On Fri, Sep 29, 2017 at 2:38 AM, Bachmair Florian - flexSolution GmbH <
florian.bachmair at flexsolution.eu> wrote:

> Hi!
>
> When I stop my application in roughly 1 out of 20 tries I get this error:
>
> Assertion failed: pfd.revents & POLLIN (src/signaler.cpp:243) (here is
> the corresponding line of code: https://github.com/zeromq/
> libzmq/blob/v4.2.0/src/signaler.cpp#L243 )
>
>      Stack trace of thread 8576:
>          #0  0x00007f56d22a78a0 raise (libc.so.6)
>          #1  0x00007f56d22a8f09 abort (libc.so.6)
>          #2  0x00007f5686c7cc99 n/a (/home/flex/core-1.5.0-
> SNAPSHOT/lib/native/libzmq.so.5)
>          #3  0x00007f56d26255a0 _IO_2_1_stderr_ (libc.so.6)
>
>
> Before I stop my application I disconnect from ALL publishers with
>
>    zsock_disconnect(subscriber, "tcp://%s:%d", c_ip, port);
>
> after that I destroy my sockets and actors
>
>    zsock_destroy(&publisher);
>    zsock_destroy(&req);
>    zsock_destroy(&subscriber);
>
>
>    //this is never finished
>    zactor_destroy(&actorRep);
>    zactor_destroy(&actorSub);
>
>
> I guess its a problem with stopping the actors, how do I propperly stop
> this actor?
>

You need to send it a message telling it to quit.


> void sub_actor(zsock_t *pipe, void *args) {
>     zsock_signal(pipe, 0);
>     while (!zsys_interrupted) {
>         char* topic;
>         char* timestamp;
>         char* value;
>         char* id;
>         zsock_recv(subscriber, "ssss", &topic, &timestamp, &id, &value);
>
>         onMessageReceived(topic, timestamp, id,value);
>     }
> }
>
> Thanks Florian
>
>
>
>
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>
>
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