Florian Winter wrote: > Suppose, an ALSA playback device is opened in blocking mode, and one > thread calls snd_pcm_writei. If the snd_pcm_writei call blocks, because > the internal buffer of the ALSA device is full, is there a way by which > another thread can interrupt the call, so it returns immediately without > writing any data to the device?
No. As far as the user-space library is concerned, ALSA is not thread safe. You have to use non-blocking mode and poll() so that you can send a message through a file descriptor (e.g. pipe or eventfd). Regards, Clemens ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
