zmq_connect () set the send timeout invalid in push mode

[hus1ngx]

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Issue description

In push/pull mode, set the timeout on the push side, and then conect.zmq_send always blocks when the pull side is not online.Even if non-blocking sending is set

Environment

• libzmq version (commit hash if unreleased): 4.3.3
• OS: Ubuntu 20.04

Minimal test code / Steps to reproduce the issue

#include "zhelpers.h"
#include <unistd.h>
int main(void)
{
    int timeout = 30;
    void *context = zmq_ctx_new();
    void *publisher = zmq_socket(context, ZMQ_PUSH);
    zmq_setsockopt(publisher, ZMQ_SNDTIMEO, &timeout, sizeof(timeout));
    zmq_setsockopt(publisher, ZMQ_RCVTIMEO, &timeout, sizeof(timeout));
    zmq_connect(publisher, "ipc:///tmp/pipeline.ipc"); // invalid
    // zmq_bind(publisher, "ipc:///tmp/pipeline.ipc"); // Valid
    char* msg = "We want to see this";
    int rc = zmq_send(publisher, msg,strlen(msg), ZMQ_DONTWAIT);
    if(rc<0)
    {
        printf("%s\n",zmq_strerror(zmq_errno()));
    }
    sleep(1);
    zmq_close(publisher);
    zmq_ctx_destroy(context);
    return 0;
}

What's the actual result? (include assertion message & call stack if applicable)

zmq_send will always block

What's the expected result?

zmq_send exits in time out

[stale[bot]]

This issue has been automatically marked as stale because it has not had activity for 365 days. It will be closed if no further activity occurs within 56 days. Thank you for your contributions.