From: Hans-Georg Thien <1682-600@onlinehome.de>
To: linux-kernel@vger.kernel.org
Subject: Re: getting timestamp of last interrupt?
Date: Sat, 04 Oct 2003 06:03:55 +0200 [thread overview]
Message-ID: <3F7E46AB.3030709@onlinehome.de> (raw)
In-Reply-To: <fa.fvjdidn.13ni70f@ifi.uio.no>
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?
next parent reply other threads:[~2003-10-04 4:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.fj0euih.s2sbop@ifi.uio.no>
[not found] ` <fa.fvjdidn.13ni70f@ifi.uio.no>
2003-10-04 4:03 ` Hans-Georg Thien [this message]
2003-10-06 12:52 ` getting timestamp of last interrupt? Richard B. Johnson
2003-10-06 18:21 ` Hans-Georg Thien
2003-10-06 18:34 ` Richard B. Johnson
2003-10-06 19:05 ` Hans-Georg Thien
2003-10-06 19:33 ` Richard B. Johnson
2003-10-06 21:59 ` Hans-Georg Thien
[not found] ` <fa.ch95hks.10kepak@ifi.uio.no>
2003-10-04 4:05 ` Hans-Georg Thien
2003-10-06 15:26 ` Gabriel Paubert
2003-10-06 18:37 ` Hans-Georg Thien
2003-05-01 21:48 [RFC][PATCH] "Disable Trackpad while typing" on Notebooks withh a PS/2 Trackpad Hans-Georg Thien
2003-05-08 19:12 ` [RFC][PATCH] "Disable Trackpad while typing" on Notebooks withh aPS/2 Trackpad Khalid Aziz
2003-05-27 20:47 ` Hans-Georg Thien
2003-05-27 21:10 ` wwp
2003-10-02 17:40 ` getting timestamp of last interrupt? Hans-Georg Thien
2003-10-02 18:54 ` Karim Yaghmour
2003-10-02 18:59 ` Richard B. Johnson
2003-10-02 22:46 ` Peter Chubb
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