El Tue, Nov 27, 2007 at 10:37:00PM -0600 Larry Finger ha dit:
> If a particular routine needs to lock a mutex, but it may be entered with
> that mutex already locked,
> would the following code be SMP safe?
>
> hold_lock = mutex_trylock()
>
> ...
>
> if (hold_lock)
> mutex_unlock()
this is wont work, a mutex must not be released from another
context than the one that acquired it.
--
Matthias Kaehlcke
Linux Application Developer
Barcelona
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Don't walk in front of me, I may not follow
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