Messages in this thread | | | Date | Wed, 28 Nov 2007 09:10:31 +0100 | From | Matthias Kaehlcke <> | Subject | Re: Question regarding mutex locking |
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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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