iokit/IOKit/system_management/IOWatchDogTimer.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 #ifndef _IOWATCHDOGTIMER_H
  27 #define _IOWATCHDOGTIMER_H
  28
  29 #include <IOKit/IOService.h>
  30
  31 class IOWatchDogTimer : public IOService
  32 {
  33   OSDeclareAbstractStructors(IOWatchDogTimer);
  34
  35 protected:
  36   IONotifier *notifier;
  37   struct ExpansionData { };
  38   ExpansionData *reserved;
  39
  40 public:
  41   virtual bool start(IOService *provider);
  42   virtual void stop(IOService *provider);
  43   virtual IOReturn setProperties(OSObject *properties);
  44   virtual void setWatchDogTimer(UInt32 timeOut) = 0;
  45
  46   OSMetaClassDeclareReservedUnused(IOWatchDogTimer,  0);
  47   OSMetaClassDeclareReservedUnused(IOWatchDogTimer,  1);
  48   OSMetaClassDeclareReservedUnused(IOWatchDogTimer,  2);
  49   OSMetaClassDeclareReservedUnused(IOWatchDogTimer,  3);
  50 };
  51
  52 #endif /* !_IOWATCHDOGTIMER_H */