[zeromq-dev] czmq zsock_unbind does naught on windows?

[Brian T. Carcich]

All CZMQ tests run clean on Linux.

On Mon, Aug 31, 2015 at 4:06 PM, Brian T. Carcich <briantcarcich at gmail.com>
wrote:

> Windows 7 Pro SP1
> x64
> MS VS Community 2015
> 0mq 4.1.3
> czmq 3.0.2
> libsodium (current from github as of about two weeks ago)
>
> I am having a little trouble with the czmq self-test under Windows 7 x64.
>
> The first problem was the 10s = 10,000ms sleep test that occasionally
> sometimes takes as little as 9926ms.  Meh.
>
> The second is a problem with zsock_unbind in zsock.c under czmq.
>
> At this point I don't need a solution, rather I'd like to know if this is
> a known issue and/or is there a workaround.
>
> I made some brief google searches for this problem but have not yet found
> anything.
>
> See one of the following URLs:
>
>   https://drive.google.com/open?id=0B-W08w76n9kkR3dLYmZUMGJqVVk
>
>
> https://docs.google.com/drawings/d/1IAiCv9Apx5Ue7z2alDhfxV9wzw0pqhcJ_PYhpSK61dQ
>
> It looks like zsock_unbind() does not release the port (errno is
> EADDRINUSE), which is what the 100ms sleep was supposed to help with.  When
> I stop the debugger the port no longer shows up in the netstat -an output.
>
> I have not yet looked to see whether this is a problem with czmq or 0mq.
>
> In the example above I increased the sleep after the zsock_unbind call to
> 30s and printf'ed the return code, errno string and ZMQ_VERSION, and the
> socket is still not unbound.
>
> I'm going to go try this on a Linux box.
>
> Best regards,
>
> Brian Carcich
>
>
>
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