Re: select() on /dev/input/eventX not level-triggered?

From: Dmitry Torokhov
Date: Mon May 23 2011 - 14:13:23 EST

On Fri, May 20, 2011 at 01:50:51AM +0200, Pavel Machek wrote:
> Hi!
> I'm debugging strange behaviour on /dev/input/eventX ... it seems that
> select is not behaving level-triggered as it apparently should. I can
> reproduce it when hitting windows & alt keys.
> Now, I really should rewrite it into C, first, but perhaps someone has
> an idea?

Is this with next or with mainline? In next we try not to signal that FD
is ready unless we have full packet in the buffer...

FWIW I see python indeed not reading the tail of events (btw the format
should be 'llhhi' and the size on 64 bit arches is 24, not 16) but when
I hacked evtest to use select and non-blockign read it all worked


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