hxmm.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxmm.h,v 1.3.36.3 2004/07/09 01:45:34 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #pragma once
- #ifndef _HXMM_
- #define _HXMM_
- #endif
- //#include "pn_macmemory.h"
- //#include "pnmm_c.h"
- #ifdef _CARBON
- #ifdef BUILDING_PNCRT
- #include <Carbon.h>
- #endif
- #ifndef _MAC_MACHO
- #include <size_t.h>
- #endif
- #else
- #ifndef size_t
- typedef unsigned long size_t;
- #endif
- #endif
- #include "hxtypes.h"
- #define kTempMemPoolHandle 'temp'
- #define kPoolSign 'POOL'
- #define kBlockSignature 'BLOK'
- extern Boolean _gInterruptCodeEnabled;
- extern long g_InterruptsOn;
- #define USE_PNMM 1 // uncomment this line to enable PNMM code in Player
- typedef enum PNMM_MEMORYTYPE_TAG
- {
- PNMM_MEMORYTYPE_ALL=0,
- PNMM_MEMORYTYPE_EXTERNAL,
- PNMM_MEMORYTYPE_ALLPOOLS,
- PNMM_MEMORYTYPE_FREEPOOLS,
- PNMM_MEMORYTYPE_INTERRUPTPOOLS,
- PNMM_MEMORYTYPE_NONINTERRUPTPOOLS
- } PNMM_MEMORYTYPE;
- /*
- typedef struct MemPool {
- long signature; // POOL SIGNATURE contains kPoolSign
- struct MemPool *next; // pointer to next pool
- struct MemPool *prev; // previous memory pool.
- long left; // number of bytes left
- long leftlast; // number of bytes after last update.
- long locked; // is this block locked?
- long* lastfree;
- char* endofpool;
- // DEALLOCMEM* fpDeleteFunction; // the delete function associated with this pool.
- long interrupt_only; // the pool is locked out from non interrupt
- // allocations.
- long allocatedblocks; // Number of allocated blocks in this pool.
- long* record;
- size_t size; // number of bytes in pool (including header)
- char data[]; // variable size user data section
- // time only.
- } MemPool;
- */
- /*
- typedef struct PNMM_MEMORY_INFO
- {
- long numberOfPools; // Number of pools allocated
- MemPool* firstPool; // Ptr to first pool struct.
- long totalAllocated; // Total Memory allocated for all pools.
- long totalLeft; // Total memory free in all pools.
- long totalLocked; // Total Number of pools that are locked.
- long totalAllocated_Interrupt; // Total Memory allocated for interrupt time.
- long totalLeft_Interrupt; // Total Memory free in interrupt pools.
- //
- // To get the following information you must have "extendedinfo" set to true
- // when you call PNMM_INFO;
- //
-
- long totalblocks; // Total Number of blocks that are constructed in
- // all pools.
-
- long largestblock; // Largest Unused block, in any block, of any pool.
-
-
-
- } PNMM_MEMORY_INFO;
- */
- //
- // This is the block header, it is an enumerated structure.
- // Note that the ExternalPtr and PoolPtr, both use the same 4 bytes.
- //
- #define kBlockHeaderSize 16
- enum
- {
- kBlockHeader_Signature = 0,
- kBlockHeader_DeleteFunction,
- kBlockHeader_ExtraSize=kBlockHeader_DeleteFunction,
- kBlockHeader_PoolPtr,
- kBlockHeader_ExternalPtr=kBlockHeader_PoolPtr,
- kBlockHeader_BlockSize
- };
- //
- //
- // This is a structure used for keeping track of pools.
- // This allows us to make the best choice possible when using Virtual Memory,
- // allowing us to not cause page faults when we don't have to.
- //
- //
- /*
- typedef struct tag_PoolRecord
- {
- MemPool* pool;
- long poolleft;
- long poolend;
- long pool_interrupt;
- } PNMM_POOLRECORD;
- */
- typedef void (LOWMEMORYNOTIFIER)(void);
- #ifdef __cplusplus
- extern "C" {
- #endif
- /*
- //
- // Override function.
- //
- Boolean PNMM_OVERRIDE_ALLOC(ALLOCMEM* pNew, DEALLOCMEM* pDelete);
- */
- //
- // Block allocation functions
- //
- Boolean PNMM_NEWBLOCK(size_t newsize, Boolean interrupt_only);
- //
- // Clean up function.
- //
- void PNMM_FORCECLEANUP(PNMM_MEMORYTYPE MemType);
- //
- // Getting information about the state of the memory allocator.
- //
- void HXMM_COMPACT(void);
- //PNMM_MEMORY_INFO* PNMM_INFO(Boolean extendedinfo);
- //BOOL HXMM_ATINTERRUPT(void);
- BOOL HXMM_ATINTERRUPT(void);
- //
- // State information to give us an idea of what kind of memory to be using.
- //
- void HXMM_INTERRUPTON(void);
- void HXMM_INTERRUPTOFF(void);
- //
- // Tells memory allocator to mark the memory as being held.
- // In so doing when the program is in virtual memory mode, it marks
- // blocks of memory as being held. This makes access at interrupt time,
- // completely safe when in virtual memory mode.
- //
- void PNMM_HOLDMEMORY_ON(void);
- void PNMM_HOLDMEMORY_OFF(void);
- BOOL HXMM_VIRTUAL_MEMORY_ON(void);
- //
- // Allows the user to set a bare minimum which must be left in the application's heap.
- //
- void PNMM_SETAPPLICATIONMINIMUM(size_t size);
- //
- // Debugging use only.
- //
- void HXMM_POOLCHECK(void);
- void PNMM_OUTPUTMEMSTATS(void);
- void PNMM_ASSERTPTR(void* ptr);
- void PNMM_DUMP_ALLOCATED_BLOCKS(void);
- //
- // FEATURE CHECKING
- //
- ULONG32 PNMM_VERSION(void);
- //
- // Low-memory notification
- //
- BOOL PNMM_LOWMEMORY(void);
- void PNMM_REGISTER_NOTIFICATION_FUNCTION(LOWMEMORYNOTIFIER* theNotifier);
- void PNMM_UNREGISTER_NOTIFICATION_FUNCTION(LOWMEMORYNOTIFIER* theNotifier);
- //
- // INTERNAL USE ONLY
- //
- void PNMM_INIT(void);
- void PNMM_SHUTDOWN(void);
- #ifdef __cplusplus
- }
- #endif