On Wed, 8 Sep 2010, Arunkumar Manickam wrote:

> I am using curl_multi interface to do HTTPS transaction using openssl.

Then please use the curl-library mailing list for questions and issues with
libcurl!

> When curl_multi_fdset returns CURLM_OK but sets max_fd to -1, should it be
> considered as a fatal error and the download be stopped ?

When that happens, libcurl has no socket to wait on so it can't return any.

> or simply call curl_multi_fdset again after a delay ?

You should consider no socket as there's no socket for wait for, but in order
to not busy-loop you need to wait at least a short while anyway before you
proceed. A short sleep is suitable in that case.

-- 
  / daniel.haxx.se
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