Re: Problems with wait queues

David Woodhouse (dwmw2@infradead.org)
Wed, 26 Jun 2002 22:49:30 +0100


For the benefit of any newcomers to the list who haven't clocked RBJ yet...

root@chaos.analogic.com said:
> I am sure that you can have things look correct as well as run
> properly. However, you didn't show us the code. You need to do
> something like:

> interruptible_sleep_on(&semaphore);

> while your wake-up occurs with:

> wake_up_interruptible(&semaphore);

Do not ever use sleep_on() and friends. Almost all usage of these
functions will be buggy.

--
dwmw2

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