Fons Adriaensen wrote: > On Wed, Nov 08, 2006 at 05:58:40PM +0100, Clemens Ladisch wrote: > > > In that case, how can one test if *all* pollfd for a given > > > pcm are ready ? > > > > You cannot. The state of the file descriptors is not necessarily > > related to the state of the PCM device (which is why this function > > exists). > > So a loop waiting for both capture and playback being ready > could be something like (cut down to the bare minimum): > [...]
Yes. The various snd_pcm_poll* functions just make the descriptors look like a single poll descriptor. The logic should always be the same as if it were using a single fd. Regards, Clemens
