Re: Timer callback called excessively?!

Den tors 5 mars 2020 16:14Daniel Stenberg <daniel_at_haxx.se> skrev:

> On Mon, 2 Mar 2020, Andreas Bengtsson via curl-library wrote:
>
> > I am using libcurl 7.68.0 and i am experiencing a strange issue with the
> > timer function callback being called a lot during download of a file.
>
> Do you know if this is any difference in behavior compared to previous
> versions?
>

Yes, we moved from 7.58.0, and there we didn't see this behaviour. No
change in our code except moving from libcurl 7.58.0 included in Android to
prebuilt 7.68.0.

>
> > When i call curl_multi_socket_action, i always get a callback on the
> timer
> > function, even if the timer did not elapse. While downloading the timer
> > callback is called approx. 3000 times / sec with the timeout set to
> > 1000ms...
>
> Ugh. Sounds like a terrible bug. Can you help us and write up a test
> program
> that reproduces the problem?
>

I can try...

>
> > Am i missing something crucial here that makes my implementation of
> libcurl
> > trigger the timer callback that often?
>
> It should only call the timer callback if it needs to update the timer and
> it
> really shouldn't be possible to update it that often...
>
> --
>
> / daniel.haxx.se | Commercial curl support up to 24x7 is available!
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Regards
Andreas

>
>

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Received on 2020-03-05