SystemRestart exception to restart the interpreter

src/org/python/core/FunctionThread.java

 package org.python.core;
     
 public class FunctionThread extends Thread
 {
     private final PyObject func;
     private final PyObject[] args;
     private final PySystemState systemState;
 
-    public FunctionThread(PyObject func, PyObject[] args) {
-        super();
+    public FunctionThread(PyObject func, PyObject[] args, long stack_size, ThreadGroup group) {
+        super(group, null, "Thread", stack_size);
         this.func = func;
         this.args = args;
         this.systemState = Py.getSystemState();
     }
         
-    public FunctionThread(PyObject func, PyObject[] args, long stack_size) {
-        super(null, null, "Thread", stack_size);
-        this.func = func;
-        this.args = args;
-        this.systemState = Py.getSystemState();
-    }
-
     public void run() {
         Py.setSystemState(systemState);
         try {
             func.__call__(args);
         } catch (PyException exc) {
-            if (Py.matchException(exc, Py.SystemExit)) {
+            if (Py.matchException(exc, Py.SystemExit) ||
+                    Py.matchException(exc, Py.SystemRestart)) {
                 return;
             }
             Py.stderr.println("Unhandled exception in thread started by " + func);
             Py.printException(exc);
         }
     }
 }