At Mon, 25 May 2009 20:31:42 +0200 (CEST), Jaroslav Kysela wrote: > > On Mon, 25 May 2009, Werner Van Belle wrote: > > > Takashi Iwai wrote: > >> You can control it via fcntl(). See fcntl(2) man page. > >> > > I looked at that but I didn't find any place in alsalib (or libalsa > > whatever the order of those two words), where I can obtain the file > > handle. They are all of type pcm_something_t. I found a file handle > > quite deep in this library but there seems no way to actually obtain > > that handle. > > > > Do you think fcntl on a pcm_t device would work (if we got it to compile > > first :-) > > snd_pcm_poll_descriptors / snd_pcm_poll_descriptors_count ... which doesn't return always all used fd's. > But I wonder why snd_pcm_close() does not work in child process. Could you > show us 'strace -f -e trace=open,close' for your program? Passing O_CLOEXEC would be the best solution, I think. We just need a few additions. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
