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diff --git a/engines/tony/sched.h b/engines/tony/sched.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Data structures used by the process scheduler
+ */
+
+#ifndef TONY_SCHED_H
+#define TONY_SCHED_H
+
+#include "tony/coroutine.h"
+
+namespace Tony {
+
+// the size of process specific info
+#define	PARAM_SIZE	32
+
+// the maximum number of processes
+#define	NUM_PROCESS	100
+#define MAX_PROCESSES 100
+
+typedef void (*CORO_ADDR)(CoroContext &, const void *);
+
+/** process structure */
+struct PROCESS {
+	PROCESS *pNext;	///< pointer to next process in active or free list
+	PROCESS *pPrevious;	///< pointer to previous process in active or free list
+
+	CoroContext state;		///< the state of the coroutine
+	CORO_ADDR  coroAddr;	///< the entry point of the coroutine
+
+	int sleepTime;		///< number of scheduler cycles to sleep
+	int pid;		///< process ID
+	char param[PARAM_SIZE];	///< process specific info
+};
+typedef PROCESS *PPROCESS;
+
+struct INT_CONTEXT;
+
+/**
+ * Create and manage "processes" (really coroutines).
+ */
+class Scheduler {
+public:
+	/** Pointer to a function of the form "void function(PPROCESS)" */
+	typedef void (*VFPTRPP)(PROCESS *);
+
+private:
+
+	/** list of all processes */
+	PROCESS *processList;
+
+	/** active process list - also saves scheduler state */
+	PROCESS *active;
+
+	/** pointer to free process list */
+	PROCESS *pFreeProcesses;
+
+	/** the currently active process */
+	PROCESS *pCurrent;
+
+#ifdef DEBUG
+	// diagnostic process counters
+	int numProcs;
+	int maxProcs;
+
+	void CheckStack();
+#endif
+
+	/**
+	 * Called from killProcess() to enable other resources
+	 * a process may be allocated to be released.
+	 */
+	VFPTRPP pRCfunction;
+
+
+public:
+
+	Scheduler();
+	~Scheduler();
+
+	void reset();
+
+	#ifdef	DEBUG
+	void printStats();
+	#endif
+
+	void schedule();
+	void rescheduleAll();
+	void reschedule(PPROCESS pReSchedProc = NULL);
+	void giveWay(PPROCESS pReSchedProc = NULL);
+
+	PROCESS *createProcess(int pid, CORO_ADDR coroAddr, const void *pParam, int sizeParam);
+	PROCESS *createProcess(CORO_ADDR coroAddr, const void *pParam) {
+		return createProcess(0, coroAddr, &pParam, sizeof(void *));
+	}
+	void killProcess(PROCESS *pKillProc);
+
+	PROCESS *getCurrentProcess();
+	int getCurrentPID() const;
+	int killMatchingProcess(int pidKill, int pidMask = -1);
+
+
+	void setResourceCallback(VFPTRPP pFunc);
+
+};
+
+extern Scheduler *g_scheduler;	// FIXME: Temporary global var, to be used until everything has been OOifyied
+
+} // End of namespace Tony
+
+#endif		// TONY_SCHED_H