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source-engine/common/quicktime_win32/Multiprocessing.h

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/*
File: Multiprocessing.h
Contains: Multiprocessing interfaces
Version: QuickTime 7.3
Copyright: (c) 2007 (c) 1996-2001 by Apple Computer, Inc. and (c) 1995-1997 DayStar Digital, Inc.
Bugs?: For bug reports, consult the following page on
the World Wide Web:
http://developer.apple.com/bugreporter/
*/
/*
===========================================================================================
*** WARNING: You must properly check the availability of MP services before calling them!
See the section titled "Checking API Availability".
===========================================================================================
*/
#ifndef __MULTIPROCESSING__
#define __MULTIPROCESSING__
#ifndef __MACTYPES__
#include <MacTypes.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=power
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
#pragma pack(2)
#endif
/*
===========================================================================================
This is the header file for version 2.2 of the Mac OS multiprocessing support. This version
has been totally reimplemented and has significant new services. The main goal of the
reimplementation has been to transfer task management into the core operating system to provide
much more reliable and more efficient operation, including on single processor machines.
The memory management has also been massively improved, it is much faster and wastes much
less space. New services include POSIX style per-task storage, timers with millisecond and
microsecond resolutions, memory allocation at a specified alignment, and system pageable
and RAM resident memory pools. See the MP API documentation for details.
The old "DayStar" debugging services (whose names began with an underscore) have been
removed from this header. A very few are still implemented for binary compatibility, or in
cases where they happened to be exposed inappropriately. (E.g. _MPIsFullyInitialized must
be called to see if the MP API is ReallyTruly(tm) usable.) New code and recompiles of old
code should avoid use of these defunct services, except for _MPIsFullyInitialized.
===========================================================================================
*/
/*
===========================================================================================
The following services are from the original MP API and remain supported in version 2.0:
MPProcessors
MPCreateTask
MPTerminateTask
MPCurrentTaskID
MPYield
MPExit
MPCreateQueue
MPDeleteQueue
MPNotifyQueue
MPWaitOnQueue
MPCreateSemaphore
MPCreateBinarySemaphore (In C only, a macro that calls MPCreateSemaphore.)
MPDeleteSemaphore
MPSignalSemaphore
MPWaitOnSemaphore
MPCreateCriticalRegion
MPDeleteCriticalRegion
MPEnterCriticalRegion
MPExitCriticalRegion
MPAllocate (Deprecated, use MPAllocateAligned for new builds.)
MPFree
MPBlockCopy
MPLibraryIsLoaded (In C only, a macro.)
_MPIsFullyInitialized (See comments about checking for MP API availability.)
===========================================================================================
*/
/*
===========================================================================================
The following services are new in version 2.0:
MPProcessorsScheduled
MPSetTaskWeight
MPTaskIsPreemptive
MPAllocateTaskStorageIndex
MPDeallocateTaskStorageIndex
MPSetTaskStorageValue
MPGetTaskStorageValue
MPSetQueueReserve
MPCreateEvent
MPDeleteEvent
MPSetEvent
MPWaitForEvent
UpTime
DurationToAbsolute
AbsoluteToDuration
MPDelayUntil
MPCreateTimer
MPDeleteTimer
MPSetTimerNotify
MPArmTimer
MPCancelTimer
MPSetExceptionHandler
MPThrowException
MPDisposeTaskException
MPExtractTaskState
MPSetTaskState
MPRegisterDebugger
MPUnregisterDebugger
MPAllocateAligned (Preferred over MPAllocate.)
MPGetAllocatedBlockSize
MPBlockClear
MPDataToCode
MPRemoteCall (Preferred over _MPRPC.)
===========================================================================================
*/
/*
===========================================================================================
The following services are new in version 2.1:
MPCreateNotification
MPDeleteNotification
MPModifyNotification
MPCauseNotification
MPGetNextTaskID
MPGetNextCpuID
===========================================================================================
*/
/*
===========================================================================================
The following services are "unofficial" extensions to the original API. They are not in
the multiprocessing API documentation, but were in previous versions of this header. They
remain supported in version 2.0. They may not be supported in other environments.
_MPRPC (Deprecated, use MPRemoteCall for new builds.)
_MPAllocateSys (Deprecated, use MPAllocateAligned for new builds.)
_MPTaskIsToolboxSafe
_MPLibraryVersion
_MPLibraryIsCompatible
===========================================================================================
*/
/*
===========================================================================================
The following services were in previous versions of this header for "debugging only" use.
They are NOT implemented in version 2.0. For old builds they can be accessed by defining
the symbol MPIncludeDefunctServices to have a nonzero value.
_MPInitializePrintf
_MPPrintf
_MPDebugStr
_MPStatusPString
_MPStatusCString
===========================================================================================
*/
/*
.
===========================================================================================
General Types and Constants
===========================
*/
#define MPCopyrightNotice \
"Copyright <EFBFBD> 1995-2000 Apple Computer, Inc.\n"
#define MPLibraryName "MPLibrary"
#define MPLibraryCName MPLibraryName
#define MPLibraryPName "\p" MPLibraryName
#define MP_API_Version "2.3"
enum {
MPLibrary_MajorVersion = 2, /* ! When these change be sure to update the build versions*/
MPLibrary_MinorVersion = 3, /* ! used in the startup check in MPInitializeAPI!*/
MPLibrary_Release = 1,
MPLibrary_DevelopmentRevision = 1
};
typedef struct OpaqueMPProcessID* MPProcessID;
typedef struct OpaqueMPTaskID* MPTaskID;
typedef struct OpaqueMPQueueID* MPQueueID;
typedef struct OpaqueMPSemaphoreID* MPSemaphoreID;
typedef struct OpaqueMPCriticalRegionID* MPCriticalRegionID;
typedef struct OpaqueMPTimerID* MPTimerID;
typedef struct OpaqueMPEventID* MPEventID;
typedef struct OpaqueMPAddressSpaceID* MPAddressSpaceID;
typedef struct OpaqueMPNotificationID* MPNotificationID;
typedef struct OpaqueMPCoherenceID* MPCoherenceID;
typedef struct OpaqueMPCpuID* MPCpuID;
typedef struct OpaqueMPAreaID* MPAreaID;
typedef struct OpaqueMPConsoleID* MPConsoleID;
typedef struct OpaqueMPOpaqueID* MPOpaqueID;
enum {
/* Values for MPOpaqueIDClass.*/
kOpaqueAnyID = 0,
kOpaqueProcessID = 1,
kOpaqueTaskID = 2,
kOpaqueTimerID = 3,
kOpaqueQueueID = 4,
kOpaqueSemaphoreID = 5,
kOpaqueCriticalRegionID = 6,
kOpaqueCpuID = 7,
kOpaqueAddressSpaceID = 8,
kOpaqueEventID = 9,
kOpaqueCoherenceID = 10,
kOpaqueAreaID = 11,
kOpaqueNotificationID = 12,
kOpaqueConsoleID = 13
};
typedef UInt32 MPOpaqueIDClass;
enum {
kMPNoID = kInvalidID /* New code should use kInvalidID everywhere.*/
};
typedef OptionBits MPTaskOptions;
typedef UInt32 TaskStorageIndex;
typedef UInt32 TaskStorageValue;
typedef ItemCount MPSemaphoreCount;
typedef UInt32 MPTaskWeight;
typedef UInt32 MPEventFlags;
typedef UInt32 MPExceptionKind;
typedef UInt32 MPTaskStateKind;
typedef UInt32 MPPageSizeClass;
enum {
kDurationImmediate = 0L,
kDurationForever = 0x7FFFFFFF,
kDurationMillisecond = 1,
kDurationMicrosecond = -1
};
/*
.
===========================================================================================
Process/Processor Services
==========================
*/
/*
* MPProcessors()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( ItemCount )
MPProcessors(void);
/* The physical total.*/
/*
* MPProcessorsScheduled()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( ItemCount )
MPProcessorsScheduled(void);
/* Those currently in use.*/
/*
.
===========================================================================================
Tasking Services
================
*/
enum {
/* For MPCreateTask options*/
kMPCreateTaskSuspendedMask = 1L << 0,
kMPCreateTaskTakesAllExceptionsMask = 1L << 1,
kMPCreateTaskNotDebuggableMask = 1L << 2,
kMPCreateTaskValidOptionsMask = kMPCreateTaskSuspendedMask | kMPCreateTaskTakesAllExceptionsMask | kMPCreateTaskNotDebuggableMask
};
/* -------------------------------------------------------------------------------------------*/
typedef CALLBACK_API_C( OSStatus , TaskProc )(void * parameter);
/*
* MPCreateTask()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCreateTask(
TaskProc entryPoint,
void * parameter,
ByteCount stackSize,
MPQueueID notifyQueue,
void * terminationParameter1,
void * terminationParameter2,
MPTaskOptions options,
MPTaskID * task);
/*
* MPTerminateTask()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPTerminateTask(
MPTaskID task,
OSStatus terminationStatus);
/*
* MPSetTaskWeight()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSetTaskWeight(
MPTaskID task,
MPTaskWeight weight);
/*
* MPTaskIsPreemptive()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( Boolean )
MPTaskIsPreemptive(MPTaskID taskID);
/* May be kInvalidID.*/
/*
* MPExit()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
MPExit(OSStatus status);
/*
* MPYield()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
MPYield(void);
/*
* MPCurrentTaskID()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( MPTaskID )
MPCurrentTaskID(void);
/*
* MPSetTaskType()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.3 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( OSStatus )
MPSetTaskType(
MPTaskID task,
OSType taskType);
/* -------------------------------------------------------------------------------------------*/
/*
---------------------------------------------------
! The task storage services are new in version 2.0.
*/
/*
* MPAllocateTaskStorageIndex()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPAllocateTaskStorageIndex(TaskStorageIndex * index);
/*
* MPDeallocateTaskStorageIndex()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDeallocateTaskStorageIndex(TaskStorageIndex index);
/*
* MPSetTaskStorageValue()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSetTaskStorageValue(
TaskStorageIndex index,
TaskStorageValue value);
/*
* MPGetTaskStorageValue()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( TaskStorageValue )
MPGetTaskStorageValue(TaskStorageIndex index);
/*
.
===========================================================================================
Synchronization Services
========================
*/
/*
* MPCreateQueue()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCreateQueue(MPQueueID * queue);
/*
* MPDeleteQueue()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDeleteQueue(MPQueueID queue);
/*
* MPNotifyQueue()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPNotifyQueue(
MPQueueID queue,
void * param1,
void * param2,
void * param3);
/*
* MPWaitOnQueue()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPWaitOnQueue(
MPQueueID queue,
void ** param1,
void ** param2,
void ** param3,
Duration timeout);
/*
* MPSetQueueReserve()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSetQueueReserve(
MPQueueID queue,
ItemCount count);
/* -------------------------------------------------------------------------------------------*/
/*
* MPCreateSemaphore()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCreateSemaphore(
MPSemaphoreCount maximumValue,
MPSemaphoreCount initialValue,
MPSemaphoreID * semaphore);
/*
* MPDeleteSemaphore()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDeleteSemaphore(MPSemaphoreID semaphore);
/*
* MPSignalSemaphore()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSignalSemaphore(MPSemaphoreID semaphore);
/*
* MPWaitOnSemaphore()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPWaitOnSemaphore(
MPSemaphoreID semaphore,
Duration timeout);
#define MPCreateBinarySemaphore(semaphore) \
MPCreateSemaphore ( 1, 1, (semaphore) )
/* -------------------------------------------------------------------------------------------*/
/*
* MPCreateCriticalRegion()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCreateCriticalRegion(MPCriticalRegionID * criticalRegion);
/*
* MPDeleteCriticalRegion()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDeleteCriticalRegion(MPCriticalRegionID criticalRegion);
/*
* MPEnterCriticalRegion()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPEnterCriticalRegion(
MPCriticalRegionID criticalRegion,
Duration timeout);
/*
* MPExitCriticalRegion()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPExitCriticalRegion(MPCriticalRegionID criticalRegion);
/* -------------------------------------------------------------------------------------------*/
/*
* MPCreateEvent()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API( OSStatus )
MPCreateEvent(MPEventID * event);
/*
* MPDeleteEvent()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDeleteEvent(MPEventID event);
/*
* MPSetEvent()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSetEvent(
MPEventID event,
MPEventFlags flags);
/*
* MPWaitForEvent()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API( OSStatus )
MPWaitForEvent(
MPEventID event,
MPEventFlags * flags,
Duration timeout);
/*
.
===========================================================================================
Notification Services (API)
=====================
*/
/*
* MPCreateNotification()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.1 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCreateNotification(MPNotificationID * notificationID);
/*
* MPDeleteNotification()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.1 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDeleteNotification(MPNotificationID notificationID);
/*
* MPModifyNotification()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.1 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPModifyNotification(
MPNotificationID notificationID,
MPOpaqueID anID,
void * notifyParam1,
void * notifyParam2,
void * notifyParam3);
/*
* MPModifyNotificationParameters()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.3 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( OSStatus )
MPModifyNotificationParameters(
MPNotificationID notificationID,
MPOpaqueIDClass kind,
void * notifyParam1,
void * notifyParam2,
void * notifyParam3);
/*
* MPCauseNotification()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.1 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCauseNotification(MPNotificationID notificationID);
/*
.
===========================================================================================
Timer Services
==============
*/
/*
--------------------------------------------
! The timer services are new in version 2.0.
*/
#if 0
/* For now these are taken from DriverServices, should be in a better place.*/
#if CALL_NOT_IN_CARBON
/*
* UpTime()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( AbsoluteTime )
UpTime(void);
/*
* DurationToAbsolute()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( AbsoluteTime )
DurationToAbsolute(Duration duration);
/*
* AbsoluteToDuration()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( Duration )
AbsoluteToDuration(AbsoluteTime time);
#endif /* CALL_NOT_IN_CARBON */
#endif /* 0 */
enum {
/* For MPArmTimer options*/
kMPPreserveTimerIDMask = 1L << 0,
kMPTimeIsDeltaMask = 1L << 1,
kMPTimeIsDurationMask = 1L << 2
};
/*
* MPDelayUntil()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDelayUntil(AbsoluteTime * expirationTime);
#if CALL_NOT_IN_CARBON
/*
* MPDelayUntilSys()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.1 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API( OSStatus )
MPDelayUntilSys(AbsoluteTime * expirationTime);
#endif /* CALL_NOT_IN_CARBON */
/*
* MPCreateTimer()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCreateTimer(MPTimerID * timerID);
/*
* MPDeleteTimer()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDeleteTimer(MPTimerID timerID);
/*
* MPSetTimerNotify()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSetTimerNotify(
MPTimerID timerID,
MPOpaqueID anID,
void * notifyParam1,
void * notifyParam2,
void * notifyParam3);
/*
* MPArmTimer()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPArmTimer(
MPTimerID timerID,
AbsoluteTime * expirationTime,
OptionBits options);
/*
* MPCancelTimer()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPCancelTimer(
MPTimerID timerID,
AbsoluteTime * timeRemaining);
/*
.
===========================================================================================
Memory Services
===============
*/
enum {
/* Maximum allocation request size is 1GB.*/
kMPMaxAllocSize = 1024L * 1024 * 1024
};
enum {
/* Values for the alignment parameter to MPAllocateAligned.*/
kMPAllocateDefaultAligned = 0,
kMPAllocate8ByteAligned = 3,
kMPAllocate16ByteAligned = 4,
kMPAllocate32ByteAligned = 5,
kMPAllocate1024ByteAligned = 10,
kMPAllocate4096ByteAligned = 12,
kMPAllocateMaxAlignment = 16, /* Somewhat arbitrary limit on expectations.*/
kMPAllocateAltiVecAligned = kMPAllocate16ByteAligned, /* The P.C. name.*/
kMPAllocateVMXAligned = kMPAllocateAltiVecAligned, /* The older, common name.*/
kMPAllocateVMPageAligned = 254, /* Pseudo value, converted at runtime.*/
kMPAllocateInterlockAligned = 255 /* Pseudo value, converted at runtime.*/
};
enum {
/* Values for the options parameter to MPAllocateAligned.*/
kMPAllocateClearMask = 0x0001, /* Zero the allocated block.*/
kMPAllocateGloballyMask = 0x0002, /* Allocate from the globally visible pool.*/
kMPAllocateResidentMask = 0x0004, /* Allocate from the RAM-resident pool.*/
kMPAllocateNoGrowthMask = 0x0010, /* Do not attempt to grow the pool.*/
kMPAllocateNoCreateMask = 0x0020 /* Do not attempt to create the pool if it doesn't exist yet.*/
};
/* -------------------------------------------------------------------------------------------*/
/*
* MPAllocateAligned()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( LogicalAddress )
MPAllocateAligned(
ByteCount size,
UInt8 alignment,
OptionBits options);
/* ! MPAllocateAligned is new in version 2.0.*/
/*
* MPAllocate()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( LogicalAddress )
MPAllocate(ByteCount size);
/* Use MPAllocateAligned instead.*/
/*
* MPFree()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
MPFree(LogicalAddress object);
/*
* MPGetAllocatedBlockSize()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( ByteCount )
MPGetAllocatedBlockSize(LogicalAddress object);
/* -------------------------------------------------------------------------------------------*/
/*
* MPBlockCopy()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
MPBlockCopy(
LogicalAddress source,
LogicalAddress destination,
ByteCount size);
/*
* MPBlockClear()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
MPBlockClear(
LogicalAddress address,
ByteCount size);
/* ! MPBlockClear is new in version 2.0.*/
/*
* MPDataToCode()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
MPDataToCode(
LogicalAddress address,
ByteCount size);
/* ! MPDataToCode is new in version 2.0.*/
/*
.
===========================================================================================
Exception/Debugging Services
============================
*/
/*
-------------------------------------------------------------------------------------------
*** Important Note ***
----------------------
The functions MPExtractTaskState and MPSetTaskState infer the size of the "info" buffer
from the "kind" parameter. A given value for MPTaskStateKind will always refer to a
single specific physical buffer layout. Should new register sets be added, or the size
or number of any registers change, new values of MPTaskStateKind will be introduced to
refer to the new buffer layouts.
The following types for the buffers are in MachineExceptions. The correspondence between
MPTaskStateKind values and MachineExceptions types is:
kMPTaskStateRegisters -> RegisterInformation
kMPTaskStateFPU -> FPUInformation
kMPTaskStateVectors -> VectorInformation
kMPTaskStateMachine -> MachineInformation
kMPTaskState32BitMemoryException -> ExceptionInfo for old-style 32-bit memory exceptions
For reference, on PowerPC the MachineExceptions types contain:
RegisterInformation -> The GPRs, 32 values of 64 bits each.
FPUInformation -> The FPRs plus FPSCR, 32 values of 64 bits each, one value of
32 bits.
VectorInformation -> The AltiVec vector registers plus VSCR and VRSave, 32 values
of 128 bits each, one value of 128 bits, and one 32 bit value.
MachineInformation -> The CTR, LR, PC, each of 64 bits. The CR, XER, MSR, MQ,
exception kind, and DSISR, each of 32 bits. The 64 bit DAR.
ExceptionInfo -> Only memory exceptions are specified, 4 fields of 32 bits each.
Note that this type only covers memory exceptions on 32-bit CPUs!
The following types are declared here:
kMPTaskStateTaskInfo -> MPTaskInfo
*/
enum {
/* Values for the TaskStateKind to MPExtractTaskState and MPSetTaskState.*/
kMPTaskStateRegisters = 0, /* The task general registers.*/
kMPTaskStateFPU = 1, /* The task floating point registers*/
kMPTaskStateVectors = 2, /* The task vector registers*/
kMPTaskStateMachine = 3, /* The task machine registers*/
kMPTaskState32BitMemoryException = 4, /* The task memory exception information for 32-bit CPUs.*/
kMPTaskStateTaskInfo = 5 /* Static and dynamic information about the task.*/
};
enum {
/* Option bits and numbers for MPDisposeTaskException.*/
kMPTaskPropagate = 0, /* The exception is propagated.*/
kMPTaskResumeStep = 1, /* The task is resumed and single step is enabled.*/
kMPTaskResumeBranch = 2, /* The task is resumed and branch stepping is enabled.*/
kMPTaskResumeMask = 0x0000, /* The task is resumed.*/
kMPTaskPropagateMask = 1 << kMPTaskPropagate, /* The exception is propagated.*/
kMPTaskResumeStepMask = 1 << kMPTaskResumeStep, /* The task is resumed and single step is enabled.*/
kMPTaskResumeBranchMask = 1 << kMPTaskResumeBranch /* The task is resumed and branch stepping is enabled.*/
};
enum {
/* For kMPTaskStateTaskInfo, the task's runState*/
kMPTaskBlocked = 0, /* Task is blocked (queued on resource)*/
kMPTaskReady = 1, /* Task is runnable*/
kMPTaskRunning = 2 /* Task is running*/
};
enum {
/* For kMPTaskStateTaskInfo, the version of the MPTaskInfo structure requested.*/
kMPTaskInfoVersion = 3
};
struct MPTaskInfo {
PBVersion version; /* Version 3 of the data structure requested*/
OSType name; /* Task name*/
OSType queueName; /* Task's queue owner name*/
UInt16 runState; /* Running, ready, blocked*/
UInt16 lastCPU; /* Address of CPU where task previously ran*/
UInt32 weight; /* Processing weight: 1 - 10,000*/
MPProcessID processID; /* Owning process ID*/
AbsoluteTime cpuTime; /* Accumulated task time*/
AbsoluteTime schedTime; /* Time when last scheduled*/
AbsoluteTime creationTime; /* Time when task created*/
ItemCount codePageFaults; /* Page faults from code execution*/
ItemCount dataPageFaults; /* Page faults from data access*/
ItemCount preemptions; /* Number of times task was preempted*/
MPCpuID cpuID; /* ID of CPU where task previously ran.*/
MPOpaqueID blockedObject; /* ID of blocked object.*/
MPAddressSpaceID spaceID; /* Address space ID of this task.*/
LogicalAddress stackBase; /* Base of stack (lowest address).*/
LogicalAddress stackLimit; /* Stack limit (highest address).*/
LogicalAddress stackCurr; /* Current stack address.*/
};
typedef struct MPTaskInfo MPTaskInfo;
/*
Upon a task exception, the following message is sent to the designated queue:
1. The MPTaskID,
2. The exception kind. These are enumerated in the interfaces header MachineExceptions.h
3. N/A
*/
/* -------------------------------------------------------------------------------------------*/
/*
* MPSetExceptionHandler()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSetExceptionHandler(
MPTaskID task,
MPQueueID exceptionQ);
/*
* MPDisposeTaskException()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPDisposeTaskException(
MPTaskID task,
OptionBits action);
/*
* MPExtractTaskState()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPExtractTaskState(
MPTaskID task,
MPTaskStateKind kind,
void * info);
/*
* MPSetTaskState()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPSetTaskState(
MPTaskID task,
MPTaskStateKind kind,
void * info);
/*
* MPThrowException()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPThrowException(
MPTaskID task,
MPExceptionKind kind);
/* -------------------------------------------------------------------------------------------*/
typedef UInt32 MPDebuggerLevel;
enum {
kMPLowLevelDebugger = 0x00000000, /* MacsBug-like*/
kMPMidLevelDebugger = 0x10000000, /* Jasik-like*/
kMPHighLevelDebugger = 0x20000000 /* Metrowerks-like*/
};
/*
* MPRegisterDebugger()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPRegisterDebugger(
MPQueueID queue,
MPDebuggerLevel level);
/*
* MPUnregisterDebugger()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( OSStatus )
MPUnregisterDebugger(MPQueueID queue);
/*
.
===========================================================================================
Remote Call Services
====================
*/
typedef CALLBACK_API_C( void *, MPRemoteProcedure )(void * parameter);
typedef UInt8 MPRemoteContext;
enum {
kMPAnyRemoteContext = 0,
kMPOwningProcessRemoteContext = 1,
kMPInterruptRemoteContext = 2,
kMPAsyncInterruptRemoteContext = 3
};
/*
* MPRemoteCall()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 2.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void * )
MPRemoteCall(
MPRemoteProcedure remoteProc,
void * parameter,
MPRemoteContext context);
/* ! MPRemoteCall is new in version 2.0.*/
/*
.
===========================================================================================
Checking API Availability
=========================
*/
/*
===========================================================================================
*** WARNING: You must properly check the availability of MP services before calling them!
===========================================================================================
Checking for the availability of the MP API is rather ugly. This is a historical problem,
caused by the original implementation letting itself get prepared when it really wasn't
usable and complicated by some important clients then depending on weak linking to "work".
(And further complicated by CFM not supporting "deferred" imports, which is how many
programmers think weak imports work.)
The end result is that the MP API library may get prepared by CFM but be totally unusable.
This means that if you import from the MP API library, you cannot simply check for a
resolved import to decide if MP services are available. Worse, if you explicitly prepare
the MP API library you cannot assume that a noErr result from GetSharedLibrary means that
MP services are available.
o If you import from the MP API library you MUST:
Use the MPLibraryIsLoaded macro (or equivalent code in languages other than C) to tell
if the MP API services are available. It is not sufficient to simply check that an
imported symbol is resolved as is commonly done for other libraries. The macro expands
to the expression:
( ( (UInt32)_MPIsFullyInitialized != (UInt32)kUnresolvedCFragSymbolAddress ) &&
( _MPIsFullyInitialized () ) )
This checks if the imported symbol _MPIsFullyInitialized is resolved and if resolved
calls it. Both parts must succeed for the MP API services to be available.
o If you explicitly prepare the MP API library you MUST:
Use code similar to the following example to tell if the MP API services are available.
It is not sufficient to depend on just a noErr result from GetSharedLibrary.
OSErr err;
Boolean mpIsAvailable = false;
CFragConnectionID connID = kInvalidID;
MPIsFullyInitializedProc mpIsFullyInitialized = NULL;
err = GetSharedLibrary ( "\pMPLibrary", kCompiledCFragArch, kReferenceCFrag,
&connID, NULL, NULL );
if ( err == noErr ) {
err = FindSymbol ( connID, "\p_MPIsFullyInitialized",
(Ptr *) &mpIsFullyInitialized, NULL );
}
if ( err == noErr ) {
mpIsAvailable = (* mpIsFullyInitialized) ();
}
===========================================================================================
*/
/*
* _MPIsFullyInitialized()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( Boolean )
_MPIsFullyInitialized(void);
typedef CALLBACK_API_C( Boolean , MPIsFullyInitializedProc )(void);
#define kMPUnresolvedCFragSymbolAddress 0
#define MPLibraryIsLoaded() \
( ( (UInt32)_MPIsFullyInitialized != (UInt32)kMPUnresolvedCFragSymbolAddress ) && \
( _MPIsFullyInitialized () ) )
/*
.
===========================================================================================
Miscellaneous Services
======================
*/
/*
* _MPLibraryVersion()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
_MPLibraryVersion(
const char ** versionCString,
UInt32 * major,
UInt32 * minor,
UInt32 * release,
UInt32 * revision);
/*
.
===========================================================================================
Unofficial Services
===================
*/
/*
===========================================================================================
*** WARNING ***
These services are not part of the officially documented multiprocessing API. They may not
be avaliable in future versions of Mac OS multiprocessing support, or in environments that
have a different underlying OS architecture such as Mac OS on top of a microkernel, the
Mac OS Blue Box under Mac OS X, native MP support in Mac OS X, etc.
===========================================================================================
*/
#if CALL_NOT_IN_CARBON
#if CALL_NOT_IN_CARBON
/*
* _MPAllocateSys()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( LogicalAddress )
_MPAllocateSys(ByteCount size);
/* Use MPAllocateAligned instead.*/
/*
* _MPRPC()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( void * )
_MPRPC(
MPRemoteProcedure remoteProc,
void * parameter);
/* Use _MPRemoteCall instead.*/
/*
* _MPTaskIsToolboxSafe()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( Boolean )
_MPTaskIsToolboxSafe(MPTaskID task);
#endif /* CALL_NOT_IN_CARBON */
#endif /* CALL_NOT_IN_CARBON */
/*
* _MPLibraryIsCompatible()
*
* Availability:
* Non-Carbon CFM: in MPLibrary 1.0 and later
* CarbonLib: in CarbonLib 1.0 and later
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( Boolean )
_MPLibraryIsCompatible(
const char * versionCString,
UInt32 major,
UInt32 minor,
UInt32 release,
UInt32 revision);
#define MPRPC _MPRPC
#define MPTaskIsToolboxSafe _MPTaskIsToolboxSafe
/*
.
===========================================================================================
Defunct Services
================
*/
#if CALL_NOT_IN_CARBON
#ifndef MPIncludeDefunctServices
#define MPIncludeDefunctServices 0
#endif /* !defined(MPIncludeDefunctServices) */
#if MPIncludeDefunctServices
#if CALL_NOT_IN_CARBON
/*
* _MPDebugStr()
*
* Availability:
* Non-Carbon CFM: in MPLibraryObsolete 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( void )
_MPDebugStr(ConstStr255Param msg);
/*
* _MPStatusPString()
*
* Availability:
* Non-Carbon CFM: in MPLibraryObsolete 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( StringPtr )
_MPStatusPString(OSStatus status);
/*
* _MPStatusCString()
*
* Availability:
* Non-Carbon CFM: in MPLibraryObsolete 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( const char * )
_MPStatusCString(OSStatus status);
#endif /* CALL_NOT_IN_CARBON */
#include <stdarg.h>
typedef CALLBACK_API_C( void , MPPrintfHandler )(MPTaskID taskID, const char *format, va_list args);
#if CALL_NOT_IN_CARBON
/*
* _MPInitializePrintf()
*
* Availability:
* Non-Carbon CFM: in MPLibraryObsolete 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( void )
_MPInitializePrintf(MPPrintfHandler pfn);
/*
* _MPPrintf()
*
* Availability:
* Non-Carbon CFM: in MPLibraryObsolete 1.0 and later
* CarbonLib: not available
* Mac OS X: not available
*/
EXTERN_API_C( void )
_MPPrintf(const char * format, ...);
#endif /* CALL_NOT_IN_CARBON */
#endif /* MPIncludeDefunctServices */
#endif /* CALL_NOT_IN_CARBON */
/* ===========================================================================================*/
#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 /* __MULTIPROCESSING__ */