Re: Difference wait_event_interruptible and interruptible_wait_on

[Hendrik Wiese]

Davide Rossetti wrote:

> Hendrik Wiese wrote:
>
> > Hello,
> >
> > I'm porting a device driver from 2.2.14 to 2.6.7 and I got some 
> > problems doing this...
> >
> > one of them is the following:
> > I know that a call to interruptible_wait_on puts a process into sleep 
> > state and that wait_event_interruptible does the same. But the 
> > difference is that wait_event_interruptible needs a condition to pass 
> > to wake up the processes. I do not need that mechanism since I wake 
> > up the processes at other places inside my driver with 
> > wake_up_interruptible calls. So how do I get a function similar to 
> > interruptible_wait_on where no condition is needed using kernel 2.6?
>
>
> I did not check, so maybe I'm wrong, anyway the condition 
> wait_event_interruptible is used to avoid the race window between the 
> time you decide to call it and the time the process is actually made 
> to sleep and ready to be woken up.
> regards
Thanks for your reply.

So what should such a condition be? What should be put there?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/