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

Bachmair Florian - flexSolution GmbH florian.bachmair at flexsolution.eu
Fri Sep 29 11:38:04 CEST 2017


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?

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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