End Program on shutdown/logoff

This is a discussion on End Program on shutdown/logoff within the C++ Programming forums, part of the General Programming Boards category; I have a program in a windows 2k environment that continually listens on a port using winsock, it works fine ...

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    Something Clever ginoitalo's Avatar
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    End Program on shutdown/logoff

    I have a program in a windows 2k environment that continually listens on a port using winsock, it works fine except that when the user logs off or shutsdown the computer, I get that "End Program Now" window because the program is still listening for connections.

    My question is, How can I avoid this message without having the end-users close my program manually ?

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    Software Developer jverkoey's Avatar
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    in win32 applications, i think that when the OS wants to close a program, it sends a WM_CLOSE or a WM_DESTROY message (not sure exactly which one, if either)

    It sounds like you're constantly listening without jumping back to process win32 messages? assuming that you aren't, I'd suggest that you make sure to jump back to handle any win32 messages every now and then.

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    Yes, my avatar is stolen anonytmouse's Avatar
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    If a console application use SetConsoleCtrlHandler().

    If not handle the WM_QUERYENDSESSION or WM_ENDSESSION messages. If you are blocking on a function call you will need to run a message loop on another thread to catch these(or any other) messages.

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