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Re: how to stop curl_easy_perform() from another thread
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From: Daniel Stenberg via curl-library <curl-library_at_cool.haxx.se>
Date: Mon, 19 Oct 2020 11:45:43 +0200 (CEST)
On Fri, 16 Oct 2020, Winnie Poon via curl-library wrote:
> * is it still unsafe to use the same handle in more than 1 thread?
This is a documented fact and is repeated fairly frequently:
https://curl.haxx.se/libcurl/c/threadsafe.html
> * is the progress callback the only proper way to cancel curl_easy_perform?
Not exactly. You can cancel it in several different callbacks in addition to
the progress one.
If you want to avoid the up to a full second delay this introduces, I'd
recommend switching to the multi interface and curl_multi_poll() with
curl_multi_wakeup() from the second thread.
Date: Mon, 19 Oct 2020 11:45:43 +0200 (CEST)
On Fri, 16 Oct 2020, Winnie Poon via curl-library wrote:
> * is it still unsafe to use the same handle in more than 1 thread?
This is a documented fact and is repeated fairly frequently:
https://curl.haxx.se/libcurl/c/threadsafe.html
> * is the progress callback the only proper way to cancel curl_easy_perform?
Not exactly. You can cancel it in several different callbacks in addition to
the progress one.
If you want to avoid the up to a full second delay this introduces, I'd
recommend switching to the multi interface and curl_multi_poll() with
curl_multi_wakeup() from the second thread.
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Received on 2020-10-19