dsp mmap change

John Baldwin jhb at freebsd.org
Fri May 6 16:11:36 UTC 2011


On Friday, May 06, 2011 4:55:00 am Andriy Gapon wrote:
> 
> I would like to ask for a review and/or testing of the following patch:
> http://people.freebsd.org/~avg/dev_dsp_mmap.diff
> 
> It's supposed to fix an issue described here:
> http://lists.freebsd.org/pipermail/freebsd-multimedia/2011-
February/011691.html
> 
> In short, the following pseudo-code should do the right thing:
> fd = open(/dev/dsp, O_RDWR);
> mmap(PROT_READ, fd);
> mmap(PROT_WRITE, fd);

Are the buffers statically allocated?

-- 
John Baldwin


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