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Re: curl_easy_perform spawns a new thread
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From: Daniel Stenberg via curl-library <curl-library_at_lists.haxx.se>
Date: Tue, 19 Jul 2022 11:24:53 +0200 (CEST)
On Tue, 19 Jul 2022, Thomas de Toulmon via curl-library wrote:
> I have the following issue in my code. I call curl_easy_perform (via the cpr
> library) and it spawns a new thread. I was able to verify that this is
> precisely the call to curl_easy_perform that spawns a new thread and
> terminates it before returning.
>
> Is there a way I can prevent this from happening? I.e. to have
> curl_easy_perform run in the current thread and prevent it from spawning a
> new thread?
If you use a libcurl built to use the threaded resolver (which is the default
one), libcurl will fire up a new thread for resolving names. That's a built-in
choice. The thread is only used for resolving names and nothing else.
You can opt to build libcurl with the stock synch resolver or with c-ares, but
those choices then come with other possible downsides.
Date: Tue, 19 Jul 2022 11:24:53 +0200 (CEST)
On Tue, 19 Jul 2022, Thomas de Toulmon via curl-library wrote:
> I have the following issue in my code. I call curl_easy_perform (via the cpr
> library) and it spawns a new thread. I was able to verify that this is
> precisely the call to curl_easy_perform that spawns a new thread and
> terminates it before returning.
>
> Is there a way I can prevent this from happening? I.e. to have
> curl_easy_perform run in the current thread and prevent it from spawning a
> new thread?
If you use a libcurl built to use the threaded resolver (which is the default
one), libcurl will fire up a new thread for resolving names. That's a built-in
choice. The thread is only used for resolving names and nothing else.
You can opt to build libcurl with the stock synch resolver or with c-ares, but
those choices then come with other possible downsides.
-- / daniel.haxx.se | Commercial curl support up to 24x7 is available! | Private help, bug fixes, support, ports, new features | https://curl.se/support.html -- Unsubscribe: https://lists.haxx.se/listinfo/curl-library Etiquette: https://curl.se/mail/etiquette.htmlReceived on 2022-07-19