Re: getting timestamp of last interrupt?

[Hans-Georg Thien]

Richard B. Johnson wrote:
> On Thu, 2 Oct 2003, Hans-Georg Thien wrote:
>
>
> > I am looking for a possibility to read out the last timestamp when an
> > interrupt has occured.
> >
> > e.g.: the user presses a key on the keyboard. Where can I read out the
> > timestamp of this event?
>
>
> You can get A SIGIO signal for every keyboard, (or other input) event.
> What you do with it is entirely up to you. Linux/Unix doesn't have
> "callbacks", instead it has signals. It also has select() and poll(),
> all useful for handling such events. If you want a time-stamp, you
> call gettimeofday() in your signal handler.
Thanks a lot Richard,

... but ... can I use signals in kernel mode?


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