Package hudson.util.jna

Source Code of hudson.util.jna.Kernel32Utils

/*
* The MIT License
*
* Copyright (c) 2010, CloudBees, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util.jna;

import com.sun.jna.Pointer;
import com.sun.jna.ptr.IntByReference;

/**
*
* @author Kohsuke Kawaguchi
*/
public class Kernel32Utils {
    /**
     * Given the process handle, waits for its completion and returns the exit code.
     */
    public static int waitForExitProcess(Pointer hProcess) throws InterruptedException {
        while (true) {
            if (Thread.interrupted())
                throw new InterruptedException();

            Kernel32.INSTANCE.WaitForSingleObject(hProcess,1000);
            IntByReference exitCode = new IntByReference();
            exitCode.setValue(-1);
            Kernel32.INSTANCE.GetExitCodeProcess(hProcess,exitCode);

            int v = exitCode.getValue();
            if (v !=Kernel32.STILL_ACTIVE) {
                return v;
            }
        }
    }
}
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