> Looks like the timeout is not honored in asynchronous name resolution in
> curl. I looked at the code (version 7.20.0)
You know that is quite an old release?

> , and the expected behavior is
> to call Curl_is_resolved repeatedly till timed out or we get a valid
> response back, whichever happens first. Curl_is_resolved sets the timeout
> for select/poll as 0, which means that these would time out immediately. So,
> if the dns name does not get resolved in the first attempt, the function
> just returns an error. There is no "polling" happening here.

I guess you are talking about the threaded resolver.

See http://curl.haxx.se/changes.html#7_21_1 :

 "Fixed in 7.21.1 - August 11 2010
   ...
   threaded resolver: fix timeout issue"

Maybe that was the bug you've (re)discovered.
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Received on 2010-12-15