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     * @return false if we are finished, true otherwise
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     * @return false if we are finished, true otherwise
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     */
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     */
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    protected boolean step ()
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    protected boolean step ()
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    {
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    {
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        /* Check if we're completely finished */
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        /* Check if we're completely finished */
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        if (cur_proc == null && run_queue.isEmpty ())
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        if (schedulerFinished ())
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            return false;
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            return false;
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- 
 
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        /* Pull in any new processes */
- 
 
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        queueWaitingProcesses ();
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        /* Check if we have a process, if not, load one */
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        /* Check if we have a process, if not, load one */
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        if (cur_proc == null)
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        if (cur_proc == null)
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            startProcess (run_queue.elementAt (0));
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            startProcess (run_queue.firstElement ());
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        /* If we're able, run the current process */
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        /* If we're able, run the current process */
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        if (cur_proc.time_left > 0)
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        if (cur_proc.time_left > 0)
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            scheduleCurrent ();
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            scheduleCurrent ();
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        else
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        else