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