On Tue, Nov 30, 2004 at 09:25:11AM -0500, Prokopenko, Konstantyn wrote:
> Hello,
>
> If no external event is there to interrupt your module, you can implement
> simple function to sleep number of ticks:
>
> Note: Each tick = 1000/HZ where HZ = scheduler frequency (defined in
> asm/param.h)
>
> void dev_wait(unsigned long ticks)
> {
> unsigned long awake = jiffies+ticks;
>
> current->policy |= SCHED_YIELD
> while(awake > jiffies)
> schedule();
> }
No, what happens when jiffies wraps, directly comparing things with
jiffies is not good, please use the wrapper functions for that.
Just use schedule_timeout() if you want to do something like this.
thanks,
greg k-h
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