any port use /dev/dsp directly?

Glen Barber glen.j.barber at
Thu Jan 14 01:41:17 UTC 2010

Gary Kline wrote: 
> 	I have a couple short programs where I mess with /dev/dsp.  I'll open
> 	check to be sure the speed is right, open in mono or stereo, &c.  is 
> 	there anything is ports that uses this dev by opening, doing ioctls and 
> 	so forth?
> 	I think I may need to flush my data before closing the FILE *FP. Not
> 	sure; just guessing.

I don't know if this directly answers your question, but from sound(4):

	Default sound card for systems with multiple sound cards.  When
	using devfs(5), the default device for /dev/dsp.  Equivalent to a
	symlink from /dev/dsp to /dev/dsp${hw.snd.default_unit}.

FWIW, www/linux-f10-flashplugin10 is using /dev/dsp0.0 on my system at the


Glen Barber

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