On Mon, 26 Jan 2004, Tim Goetze wrote:
> when calling snd_pcm_unlink (stream) after an xrun occurred, it
> returns EINVAL (hw: device, duplex, mmap'd IO, stop_threshold = ~0),
> even though 'stream' is a valid PCM stream handle.
>
> the snd_pcm_unlink code path seems to return EINVAL only if the stream
> isn't linked to another.
>
> but EINVAL misses the point, since the stream handle is valid.
> if one tries to unlink a stream that isn't linked to another, EALREADY
> is correct imo.
Yes, changed.
> and my question for today: does the kernel layer unlink PCM streams
> when an xrun occurs?
No. The unlinking is done manually (unlink ioctl) or at close() of
a PCM handle.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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