On Tue, 29 Jan 2013, Andrew Strohman wrote:

> I would like to be able to cancel a thread that is in the middle of
> curl_easy_perform without leaking memory or sockets. My first attempt was
> to do this:

All attempts to kill the thread are futile for reasons you've already figured
out.

This question is handled in the FAQ:

http://curl.haxx.se/docs/faq.html#How_do_I_stop_an_ongoing_transfe

-- 
  / daniel.haxx.se
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