[Tux3] Tux3 kernel port - stupid semaphore tricks

[Maciej Żenczykowski]

I'm assuming this means semaphores aren't actually implemented using waitqueues.
(and if not, why not?)

On Fri, Sep 19, 2008 at 13:30, Daniel Phillips <phillips at phunq.net> wrote:
> On Friday 19 September 2008 12:22, Maciej Żenczykowski wrote:
>> Care to explain, which of these is better, why and when?
>
> Not really better, just different.  Introducing more techniques and ways
> of looking at things.  The semaphore hides a state variable.  The wait
> queue is likely microscopically faster, which doesn't matter unless you
> are doing bulk IO.
>
> Regards,
>
> Daniel
>
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