On Mon, 7 Mar 2011, Saqib Ali wrote:
I have created 3 easy interfaces (that I know have worked in the past) and I'm stacking them onto a multi-interface using curl_multi_add_handle(). When I then run curl_multi_perform(), I'm surprised to find that it doesn't work. In fact the return value of curl_multi_perform is CURLE_UNSUPPORTED_PROTOCOL. That's very strange.
Yes, but that's strange because CURLE_UNSUPPORTED_PROTOCOL is a CURLcode value, while curl_multi_perform() returns a CURLMcode return code...
Thus you didn't get that value, you must've gotten CURLM_BAD_HANDLE instead (which is what a return code of 1 from curl_multi_perform() means).
Can anyone advise why this would be happening? It doesn't seem to make sense.
Can you please show us some code that you try to run and tell us what libcurl version on what operating system you're using?
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