Le vendredi 23 octobre 2009 21:51:45 Daniel Yek, vous avez écrit : > [Branch the thread for a separate suggestion...] > > Rémi Denis-Courmont wrote: > > Le dimanche 18 octobre 2009 20:13:15 Robert Hancock, vous avez écrit : > >>> From the earlier thread, I reckon that ALSA developers consider that > >>> this > >>> is an upper-layer issue. Maybe so, but then how is the upper-layer > >>> supposed to find which file descriptors ALSA-lib has opened - if any? > >>> Conversely, if ALSA- lib won't tell while file descriptors it is using, > >>> what could possibly be the use case for not closing those on exec? > >> > >> I agree that it's a difficult problem for an app that wants to fork > >> and exec another process.. I'd think really should be some way for an > >> app to control the CLOEXEC flag for the file descriptors that alsa-lib > >> has open.. > > > > <snip> > > > > That said, I still fail to see any potential use case to not set the > > flag. > > Since ALSA-lib won't let the application know about the file handles, any > > application cannot a use them across exec() in the first place. > > Is snd_pcm_poll_descriptors() adequate for this particular issue? That tells the application what descriptors to poll for ALSA to use. That does not tell what the descriptors do. So re-using those descriptors across exec() would be very far-fetched. -- Rémi Denis-Courmont http://git.remlab.net/cgi-bin/gitweb.cgi?p=vlc-courmisch.git;a=summary _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
