I may have found a bug, but could somebody tell me how you are
supposed to use the curl_multi_socket_action API when using
pipelining?
My problem is that the requests are pipelined, but not in the order in
which they were curl_multi_add_handle()ed. Instead the requests are
sent in an apparently random order.

When using curl_multi_perform() instead, which I think is what all the
curl tests use when testing pipelining, the requests are done
correctly, in order.

I have adapted the hiperfifo.c example to show the problem, you can
see it in http://pastebin.com/aY9GFDDd

I'm testing with libcurl 7.43. I'm even using CURLOPT_PIPEWAIT.

I have tried delaying the curl_multi_add_handle() calls until the
first one finishes, but it doesn't help. And doing all the
curl_multi_add_handle() calls before any transfer works fine with
curl_multi_perform().

It's a bug or I'm doing something wrong?
curl_multi_socket_action is the recommended multi interface, isn't it?

Thanks.
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Received on 2015-06-18