On Wed, 23 Jul 2003, [EMAIL PROTECTED] wrote:
> Hi
>
> Was just wondering if there is any particular reason to acquire a pcm's poll
> descriptor(s) (snd_pcm_poll_descriptors) before each poll, or can I simply do it
> after opening the pcm and be done with it? Can the associated poll fds, or even
> the number of fds change after a pcm has been opened?
No, it's static. You can preallocate fds once.
Don't forget to call ....revents() to get proper poll events.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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