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POKilling background process
 

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    <p>I am running a Java program that acts as a server for my program using <code>CreateProcess</code> with no window (using the settings shown <a href="https://stackoverflow.com/questions/14729940/do-i-need-to-close-handles-to-standard-i-o-after-createprocess">here</a>). I have an object which runs the process in its constructor, saves the process handle, and uses it in the destructor in a call to <code>TerminateProcess</code> to kill it.</p> <p>My problem is that when my window is closed with the X in the corner, this destructor is never called and the process keeps running in the background, the handle is lost, and I have no indication that it is still running or a way to kill it (other the Task Manager). How can I make sure it is killed.</p> <p><strong>Larger picture</strong><br> Here is what I need to do. If you can suggest a better way altogether to accomplish this, that is fine too.<br> I need a new instance of this java server for every run of my program (sometimes even multiple times in the program). I would like to run it without any visible indication (window etc.) but this is not a requirement. I <em>do</em> need to be able to either make sure that no matter what happens the server I opened is killed when I am done with it, or a way to make sure there is no running instance of it and if so, kill it before I start a new one. (Or better yet, both.) Using the process name is no good, since it is just <code>java</code>, and I don't want to kill all Java instances on the computer. I <em>can</em> (if I knew how) check if a program is listening on the port this server uses, and if so close it.</p> <p><strong>EDIT</strong><br> I forgot to mention (if it makes a difference) that the GUI is C# and I have no control over it or over the Java program itself. I am writing a library in c++ that get called from the C# GUI and needs to use the Java server.</p>
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