[Bug 53486] foobar2000.exe with foo_out_upnp breaks sending audio stream to another upnp renderer after a short period of time

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53486

--- Comment #5 from Jinoh Kang  ---
(In reply to Pawel from comment #3)
> Please note, that errno will always be zero, because you assign it to zero
> just before the fprintf output statement.

Actually there is a "poll(2)" call in-between.  My intention was to determine
if the poll had failed.
> When I comment out the line 3575
> "errno = 0;" of ./server/sock.c the log line says as follows:
>
> server/sock.c:3586:req_send_socket:forcing STATUS_ALERTED (errno=115)
>
> I have restarted the foobar for several times and the errno always returns
> 115.

I guess it would have been leftover errno value from other system calls.