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[directfb-dev] Re: WaitForEvent with timers?
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[directfb-dev] Re: WaitForEvent with timers?

Quoting Till Adam (
> Hello there,
> in an effort to familiarize myself with the DirectFB API, I'm currently
> porting Tom Gilbert's Imlib2 based image/webcam viewer feh to DFB. It
> has among other features a slideshow mode, which changes the image after
> a configurable amount of time. These timers are implemented using
> select() as to avoid busy waiting. They are interrupted by keyboard
> events for example when the user wants to terminate the program during
> such a timer period.
> I'd like to propose the addition of timeout values as an additional
> parameter to WaitForEvent, which would of course require using select
> in the _device_EventThread() handlers. An alternative would be to add
> WaitForEventWithTimeout() or something similar to the API.
> What do you think?

This is exactly the next step I would have done for these functions.
I just switched to using pthread conditions that support idle waiting
with timeout.

Denis Oliver Kropp
( convergence           )
( integrated media gmbh )

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