Re: [libssh2] meaning of -37 "Failed getting banner" / "Unable to exchange encryption keys" /
strangely, there isn't, but instead a return code of -1 means poll()
throwing an error – namely "Interrupted system call" (errno=4).
*poll*() returns the number of descriptors that are ready for I/O, or
-1 if an error occurred. If the time limit expires, *poll*() returns
0. If *poll*() returns with an error, including one due to an
interrupted call, the fds array will be unmodified.
Seemingly, this has something to do with a property of
Thanks for your interest, Nick
2012/4/26 TJ Saunders <tj_at_castaglia.org>
> > With your method, the error message is 'Resource temporarily unavailable'
> > (!)
> > Digging deeper, I found two remarkable things:
> > 1) session->api_timeout == 0
> > ... might be due to the interface (no session->api_timeout set??), but
> > doesn't seem to lead to program interruption.
> > 2) in session.c::_libssh2_wait_socket(), line 632 – HAVE_POLL holds...
> > rc = poll(sockets, 1, has_timeout?ms_to_next: -1);
> > returns -1, which directly leads to LIBSSH2_ERROR_TIMEOUT.
> > Any idea??
> From that "Main: TIMEOUT" message you reported, it sounds like your
> application (which is using libssh2) has some sort of overall
> timeout/timer set. Is it possible that that timer is being exceeded
> unexpectedly, or set too short?
> Mankind will not be reasoned out of the feelings of humanity.
> -Sir William Blackstone
> libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
Received on 2012-04-26