Allowed sharing of common C++ code between RoboRIO and Simulation.

Change-Id: I8bf2bda9df389c13ae0567a62dbf0ca931ceb6f8

wpilibc/wpilibC++/src/Commands/WaitForChildren.cpp

@@ -0,0 +1,39 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2011. All Rights Reserved.							  */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib.  */
+/*----------------------------------------------------------------------------*/
+
+#include "Commands/WaitForChildren.h"
+#include "Commands/CommandGroup.h"
+
+WaitForChildren::WaitForChildren(double timeout) :
+	Command("WaitForChildren", timeout)
+{	
+}
+
+WaitForChildren::WaitForChildren(const char *name, double timeout) :
+	Command(name, timeout)
+{
+}
+
+void WaitForChildren::Initialize()
+{
+}
+
+void WaitForChildren::Execute()
+{
+}
+
+void WaitForChildren::End()
+{
+}
+
+void WaitForChildren::Interrupted()
+{
+}
+
+bool WaitForChildren::IsFinished()
+{
+    return GetGroup() == NULL || GetGroup()->GetSize() == 0;
+}