Fri Dec 31 13:28:00 GMT 1999
On Wed, 15 Dec 1999 08:57:40 -0500, Jeremy Gunter <jeremy dot gunter at wabash
dot edu> wrote:
> I have just started using cygwin. Very impressed so far. I am almost done
> porting a small Linux application I had previously written, and I would
> like it to run as a service. My question is how do I get the program to
> exit when windows shuts down without windows complaining that it can't
> shutdown the program automatically. I don't want the user to have to
> explicitly shut down the application before exiting.
Normally you'd have a Windows application with a hidden window and a message
loop, and a window procedure in which you'd handle WM_QUERYENDSESSION by
returning true to indicate that you're prepared to shut down (then you get
WM_CLOSE as normal). Search on WM_QUERYENDSESSION at M$.
If you don't have this you can create a thread that does nothing else. You'll
have a signal handler of some sort in your ported thread that recognises when
to shut down, and you'll send that signal from the window thread.
For a die-hard console-only, not-calling-user32.dll-at-all app, you can
investigate the .pif attribute that allows a command window to be closed by
Windows. I don't know how this works on NT. If your app should be persistent
across logouts, you may also like to read about services (we may prefer daemons
in this group) at
Dirk Fieldhouse Logica UK Limited
email@example.com 75 Hampstead Road
c=gb;a=attmail;p=logica; London NW1 2PL
+44 (20) 7637 9111
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