iokit/IOKit/system_management/IOWatchDogTimer.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #ifndef _IOWATCHDOGTIMER_H
  30 #define _IOWATCHDOGTIMER_H
  31
  32 #include <IOKit/IOService.h>
  33
  34 class IOWatchDogTimer : public IOService
  35 {
  36         OSDeclareAbstractStructors(IOWatchDogTimer);
  37
  38 protected:
  39         IONotifier *notifier;
  40         struct ExpansionData { };
  41         APPLE_KEXT_WSHADOW_PUSH;
  42         ExpansionData *reserved;
  43         APPLE_KEXT_WSHADOW_POP;
  44
  45 public:
  46         virtual bool start(IOService *provider) APPLE_KEXT_OVERRIDE;
  47         virtual void stop(IOService *provider) APPLE_KEXT_OVERRIDE;
  48         virtual IOReturn setProperties(OSObject *properties) APPLE_KEXT_OVERRIDE;
  49         virtual void setWatchDogTimer(UInt32 timeOut) = 0;
  50
  51         OSMetaClassDeclareReservedUnused(IOWatchDogTimer, 0);
  52         OSMetaClassDeclareReservedUnused(IOWatchDogTimer, 1);
  53         OSMetaClassDeclareReservedUnused(IOWatchDogTimer, 2);
  54         OSMetaClassDeclareReservedUnused(IOWatchDogTimer, 3);
  55 };
  56
  57 #endif /* !_IOWATCHDOGTIMER_H */