Linux question , please help a newbie!

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Hi Tom,
I'm looking for a solution to a problem you posted on the net 2 years ago.
I need to be able to interrupt a task that is waiting for a semaphore to be free.
Indeed I use "down_interruptible()" and I'd like to be able to tell to the task
after a period of time : "give up, awake and do something else".
You did not give the solution on the list. So do you have it or do you remember what to
do cause it was a long time ago lol!
Tks, Jérémie

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