/*
 * Copyright (c) 2003-2005 The Regents of The University of Michigan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Nathan Binkert
 *          Steve Reinhardt
 */

#ifndef __SIM_EXIT_HH__
#define __SIM_EXIT_HH__

#include <string>

#include "sim/host.hh"

// forward declaration
class Callback;
class EventQueue;
class SimLoopExitEvent;

/// Register a callback to be called when Python exits.  Defined in
/// sim/main.cc.
void registerExitCallback(Callback *);

/// Schedule an event to exit the simulation loop (returning to
/// Python) at the indicated tick.  The message and exit_code
/// parameters are saved in the SimLoopExitEvent to indicate why the
/// exit occurred.
SimLoopExitEvent *schedExitSimLoop(const std::string &message, Tick when,
                                   Tick repeat = 0, EventQueue *q = NULL,
                                   int exit_code = 0);

/// Schedule an event to exit the simulation loop (returning to
/// Python) at the end of the current cycle (curTick).  The message
/// and exit_code parameters are saved in the SimLoopExitEvent to
/// indicate why the exit occurred.
void exitSimLoop(const std::string &message, int exit_code = 0);

#endif // __SIM_EXIT_HH__