/*
 	File:		ShutDown.h
 
 	Contains:	Shutdown Manager Interfaces.
 
 	Version:	Technology:	System 7.5
 				Release:	QuickTime 4.0
 
 	Copyright:	(c) 1987-1998 by Apple Computer, Inc., all rights reserved
 
 	Bugs?:		For bug reports, consult the following page on
 				the World Wide Web:
 
 					http://developer.apple.com/bugreporter/
 
*/
#ifndef __SHUTDOWN__
#define __SHUTDOWN__

#ifndef __MACTYPES__
#include <MacTypes.h>
#endif
#ifndef __MIXEDMODE__
#include <MixedMode.h>
#endif



#if PRAGMA_ONCE
#pragma once
#endif

#ifdef __cplusplus
extern "C" {
#endif

#if PRAGMA_IMPORT
#pragma import on
#endif

#if PRAGMA_STRUCT_ALIGN
	#pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
	#pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
	#pragma pack(2)
#endif


enum {
	sdOnPowerOff				= 1,							/*call procedure before power off.*/
	sdOnRestart					= 2,							/*call procedure before restart.*/
	sdOnUnmount					= 4,							/*call procedure before unmounting.*/
	sdOnDrivers					= 8,							/*call procedure before closing drivers.*/
	sdOnBootVolUnmount			= 16,							/*call procedure before unmounting boot volume and VM volume but after unmounting all other volumes*/
	sdRestartOrPower			= 3								/*call before either power off or restart.*/
};

typedef CALLBACK_API( void , ShutDwnProcPtr )(short shutDownStage);
/*
	WARNING: ShutDwnProcPtr uses register based parameters under classic 68k
			 and cannot be written in a high-level language without 
			 the help of mixed mode or assembly glue.
*/
typedef REGISTER_UPP_TYPE(ShutDwnProcPtr) 						ShutDwnUPP;
enum { uppShutDwnProcInfo = 0x00001002 }; 						/* register no_return_value Func(2_bytes:D0) */
#if MIXEDMODE_CALLS_ARE_FUNCTIONS
EXTERN_API(ShutDwnUPP)
NewShutDwnProc				   (ShutDwnProcPtr			userRoutine);
EXTERN_API(void)
CallShutDwnProc				   (ShutDwnUPP				userRoutine,
								short					shutDownStage);
#else
#define NewShutDwnProc(userRoutine) 							(ShutDwnUPP)NewRoutineDescriptor((ProcPtr)(userRoutine), uppShutDwnProcInfo, GetCurrentArchitecture())
#if TARGET_OS_MAC && TARGET_CPU_68K && !TARGET_RT_MAC_CFM
	#pragma parameter CallShutDwnProc(__A0, __D0)
	void CallShutDwnProc(ShutDwnUPP routine, short shutDownStage) = 0x4E90;
#else
	#define CallShutDwnProc(userRoutine, shutDownStage) 		CALL_ONE_PARAMETER_UPP((userRoutine), uppShutDwnProcInfo, (shutDownStage))
#endif
#endif
EXTERN_API( void )
ShutDwnPower					(void)														THREEWORDINLINE(0x3F3C, 0x0001, 0xA895);

EXTERN_API( void )
ShutDwnStart					(void)														THREEWORDINLINE(0x3F3C, 0x0002, 0xA895);

EXTERN_API( void )
ShutDwnInstall					(ShutDwnUPP 			shutDownProc,
								 short 					flags)								THREEWORDINLINE(0x3F3C, 0x0003, 0xA895);

EXTERN_API( void )
ShutDwnRemove					(ShutDwnUPP 			shutDownProc)						THREEWORDINLINE(0x3F3C, 0x0004, 0xA895);



#if PRAGMA_STRUCT_ALIGN
	#pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
	#pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
	#pragma pack()
#endif

#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif

#ifdef __cplusplus
}
#endif

#endif /* __SHUTDOWN__ */