xnu-344.23.tar.gz

[apple/xnu.git] / iokit / IOKit / pwr_mgt / IOPMPagingPlexus.h

/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
 *
 * HISTORY
 *
 */


#ifndef _IOKIT_IOPMPAGINGPLEXUS_H
#define _IOKIT_IOPMPAGINGPLEXUS_H

#include <IOKit/IOService.h>



/*! @class IOPMPagingPlexus : public IOService
    @abstract 
    @discussion  
*/

class IOPMPagingPlexus : public IOService
{
    OSDeclareDefaultStructors(IOPMPagingPlexus)


protected:

    bool	systemBooting;	// true until preferences received.  Then we act.
    IOLock *	ourLock;
    
public:

    virtual bool start ( IOService * );
    virtual IOReturn setAggressiveness ( unsigned long, unsigned long );
    
protected:

    virtual IOService * findProvider ( IOService * );
    virtual void processSiblings ( IOService * );
    virtual void processChildren ( void );

};

#endif /* ! _IOKIT_IOPMPAGINGPLEXUS_H */