[alsa-devel] Confusion about whether snd_pcm_poll_descriptors_revents()'s revents field is a single integer or an array
tiwai at suse.de
Mon Feb 2 16:10:43 CET 2009
At Mon, 2 Feb 2009 16:04:10 +0100 (CET),
Jaroslav Kysela wrote:
> On Mon, 2 Feb 2009, Takashi Iwai wrote:
> > ==
> > >From fdd79369b24d2e9405d4ec5f1bdfc09dda127ed4 Mon Sep 17 00:00:00 2001
> > From: Takashi Iwai <tiwai at suse.de>
> > Date: Mon, 2 Feb 2009 15:43:48 +0100
> > Subject: [PATCH] Fix handling of revents in snd_pcm_poll_descriptors_revents()
> > The revents parameter is ambiguously defined whether it's a pointer
> > to a single event or an arary. While the recent pcm_hw.c assumes it
> > being a single event, the old multi plugin supposed it as an array.
> > Similarly snd_pcm_wait_nocheck() checks the revents as an arary.
> Please, remove notice about the multi plugin. It is not true.
> > This patch defines the behavior of revents more strictly. It's a
> > pointer of a single event.
> > Fixed snd_pcm_wait_nocheck() to follow that.
> > Signed-off-by: Takashi Iwai <tiwai at suse.de>
> Otherwise acked..
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