Re: Curl timeout option in milliseconds

> Cases 1, 2 and 3 work fine but timeout occurs wrongly in cases 4 and 5.
> Please correct me if my understanding here is wrong.

Didn't this change the behavior? Your original statement said sub second
timeouts still took a full second but in this output it looks like they failed
completely.

You also never answered my question about what resolver backend your build is
using but I think that the above behavior answers it for me with enough
certainty:

I think libcurl returns an error for you due to this condition:

https://github.com/curl/curl/blob/c6b70de24660673648a37be4d18638274d7f5741/lib/hostip.c#L662-L669

... this is because you've built libcurl to use the synchronous name resolver
and we can only time-out that with signal() and that function only has integer
second resolution. If you ask for a shorter timeout, that can't be fullfilled.

libcurl defaults to using the threaded resolver these days which will fire up
the resolver in a sepearate thread that can be abandonded easier and in less
than a second.

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