At Wed, 17 Oct 2007 20:55:11 -0400 (EDT),
Mike Gorse wrote:
>
> This patch causes snd_pcm_dmix_close() to up a semaphore after downing it
> if it is unable to discard it. It prevents some deadlock that I am
> getting when a couple of applications interact and one of them closes the
> device and later re-opens it.
Thanks, applied to HG tree now.
Takashi
>
> --
>
> --- src/pcm/pcm_dmix.c.orig 2007-10-17 20:19:47.000000000 -0400
> +++ src/pcm/pcm_dmix.c 2007-10-17 20:50:46.000000000 -0400
> @@ -652,8 +652,11 @@
> if (dmix->client)
> snd_pcm_direct_client_discard(dmix);
> shm_sum_discard(dmix);
> - if (snd_pcm_direct_shm_discard(dmix))
> - snd_pcm_direct_semaphore_discard(dmix);
> + if (snd_pcm_direct_shm_discard(dmix)) {
> + if (snd_pcm_direct_semaphore_discard(dmix)) {
> + snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
> + }
> + }
> else
> snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
> free(dmix->bindings);
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@xxxxxxxxxxxxxxxx
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
