Messages in this thread | | | Date | Sat, 04 Oct 2003 06:03:55 +0200 | From | Hans-Georg Thien <> | Subject | Re: getting timestamp of last interrupt? |
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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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