detect power events in a linux computer c++

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I want to be able to detect when the user shutsdown, retsrta, logs off,sleeps or hibernates and send a message when this happens. I need to do this in c++. If someone can give me an example, I would greatly appreciate it.
Thanks.

Posted 25-Mar-15 15:29pm

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Afzaal Ahmad Zeeshan 25-Mar-15 22:58pm

If you can get notified when these events occur, you can then inside event handler right the code to log these events. Can't you?

Sergey Alexandrovich Kryukov 26-Mar-15 1:26am

There plenty information on this topic, but it looks like different distro are equipped with different components involved in power management. You can do your search.
—SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2015-03-25T19:32:00

Please see this very general information: http://events.linuxfoundation.org/sites/events/files/slides/kernel_PM_plain.pdf[^].

You can find a lot of information: http://bit.ly/1Ni5JXI[^].

You need to find out what is installed in your distro and some other ones. This is the documentation for Ubuntu, just in case: https://wiki.ubuntu.com/PowerManagement[^].

—SA