Re: Why do I get broken pipe on write to a pcm in statePREPARED?

[Takashi Iwai <tiwai@suse.de>]

At Sun, 15 Sep 2002 19:56:59 +0200,
Abramo Bagnara wrote:
> 
> Jaroslav Kysela wrote:
> > 
> > I think that the current behaviour of write() is ok, the behaviour of
> > poll() might be "fixed". I see advantages for both. I would prefer to have
> > this configurable to satisfy multi-threaded applications. We can put a new
> > variable to sw_params.
> 
> Implementing that specific behaviour for poll I've paid most attention
> to efficiency issues.
> 
> Consider that if you choose a differente behaviour for poll you're
> forced to check for xruns (i.e. enter kernel space) just before *every*
> poll!

well, the origianl question was the behavior of poll at the prepare
(and pause) state, so the theme has nothing to do with xruns (it
cannot happen :)

the behavior of poll at other states should be as well as before.

> Sincerely I think this is a stupid approach and I doubt that making it
> conditional is a smarter idea.

agreed here.


ciao,

Takashi


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