Bug#238432: Acknowledgement (gcj-3.3: gcj fails to wait for its child processes on exec())

[Jari Juslin <zds@iki.fi>]

And here comes the test program.

import java.io.*;

/**
 * This program demonstrates bug in gcj Runtime.exec().
 *
 * @author Jari Juslin, zds@iki.fi
 *
 * @version $Revision$
 */

public class GcjExecBugDemo {
    
/* **************************************************************** */
                    
    void run() {
        Process uptimeProcess;
        Reader  stdoutReader;
        
        while (true) {
            try {
                uptimeProcess = Runtime.getRuntime().exec("uptime");
                // Just to make sure that bug is not in not opening
                // input to process.
                uptimeProcess.getOutputStream().close();
                stdoutReader = new InputStreamReader(uptimeProcess.getInputStream());
                
                while (stdoutReader.read() != -1)
                    ;
                stdoutReader.close();
                uptimeProcess.destroy();
    
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            } catch (IOException e) {
                System.out.println("IOException: " +
                    e.getMessage());
    
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException ex) {
                    ex.printStackTrace();
                }
            }
        }
    }
    
/* **************************************************************** */
                
    public static void main(String[] args) {
        GcjExecBugDemo  gcjExecBugDemo;
        
        gcjExecBugDemo = new GcjExecBugDemo();
        gcjExecBugDemo.run();
    }
}

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