xref: /xnu-10002.1.13/iokit/IOKit/system_management/IOWatchDogTimer.h (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
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 */
58