Gracefully detecting program termination.

Gracefully detecting program termination.

[Jano]

Hello fellow Adagoers,

I have a program that runs under Win32 and Linux. It's a daemon-like 
tool, so it is launched on startup and runs until system goes down.

Now I'm interested in it detecting when the shutdown is happening to 
save some data and do a graceful ending.

In Linux I think it suffices to trap SIGTERM and company. In Windows 
I've seen that I could catch Ctrl-C that way but not a system shutdown.

I'm still in the process of investigating it so I haven't still reached 
a dead end, but just in case someone is doing this already and can throw 
me a quick pointer in the way to go...

Thanks!

Re: Gracefully detecting program termination.

[Dmitry Shykhman]

"Jano" <nono@celes.unizar.es> wrote in message
news:MPG.19ffcb3643db1f8989776@News.CIS.DFN.DE...
> I have a program that runs under Win32 and Linux. It's a daemon-like
> tool, so it is launched on startup and runs until system goes down.
>
> Now I'm interested in it detecting when the shutdown is happening to
> save some data and do a graceful ending.
>
> In Linux I think it suffices to trap SIGTERM and company. In Windows
> I've seen that I could catch Ctrl-C that way but not a system shutdown.
>

Try to check WM_QUERYENDSESSION message

Re: Gracefully detecting program termination.

[Jano]

Dmitry Shykhman dice...

> Try to check WM_QUERYENDSESSION message

That's OK for windows appz... anyways, I've found my way using 
SetConsoleCtrlHandler. 

Thanks!