Ejemplo n.º 1
0
MFInitStatus MFHeap_InitModule()
{
	MFCALLSTACK;

	MFDebug_Assert(MFThread_GetMutexSizePlatformSpecific() <= sizeof(gMutexBuffer), "Mutex buffer too small!");
	MFThread_InitMutexPlatformSpecific((MFMutex)gMutexBuffer, "MFHeap alloc mutex");
	gAllocMutex = (MFMutex)gMutexBuffer;

	// any heap tracking allocations should be made in the debug space
	MFHeap *pOld = MFHeap_SetActiveHeap(MFHeap_GetDebugHeap());

#if defined(_USE_TRACKING_HASH_TABLE)
	// set up the memory tracking hash table
	// note: this is slightly complicated due to the chicken and egg nature
	// of making the first allocation for the pool its self ;)
	static const int numAllocHeaders = 1024;
//	uint32 bytes = (sizeof(MFHeap_AllocItem) + sizeof(void**)) * numAllocHeaders;
//	void *pPoolMemory = MFHeap_Alloc(bytes);
//	gAllocHeaderPool.Init(sizeof(MFHeap_AllocItem), numAllocHeaders, 1024, pPoolMemory, bytes);
	gAllocHeaderPool.Init(sizeof(MFHeap_AllocItem), numAllocHeaders, 1024);

	MFZeroMemory(gpAllocTable, sizeof(gpAllocTable));

	// artificially add an entry for the pool its self...
	MFHeap_AllocItem *pHeader = (MFHeap_AllocItem*)gAllocHeaderPool.Alloc();
	pHeader->header.pHeap = &gExternalHeap;
	pHeader->header.size = bytes;
	pHeader->header.pFile = __FILE__;
	pHeader->header.line = (uint16)__LINE__;
	pHeader->header.alignment = 4;
	pHeader->pMemory = pPoolMemory;
	pHeader->pNext = NULL;
	gpAllocTable[MFUtil_HashPointer(pPoolMemory) % MFHeap_AllocTableLength] = pHeader;
#endif
#if defined(_USE_ALLOC_TRACKER)
	gAllocList.Init(sizeof(void*), 1024, 1024);
	gPoolInitialised = true;
#endif

	// restore the active heap
	MFHeap_SetActiveHeap(pOld);

	// init the heap
	MFHeap_InitModulePlatformSpecific();

	return MFAIC_Succeeded;
}
Ejemplo n.º 2
0
MFInitStatus MFHeap_InitModule()
{
	MFCALLSTACK;

	MFDebug_Assert(MFThread_GetMutexSizePlatformSpecific() <= sizeof(gMutexBuffer), "Mutex buffer too small!");
	MFThread_InitMutexPlatformSpecific((MFMutex)gMutexBuffer, "MFHeap alloc mutex");
	gAllocMutex = (MFMutex)gMutexBuffer;

	// any heap tracking allocations should be made in the debug space
	MFHeap *pOld = MFHeap_SetActiveHeap(MFHeap_GetDebugHeap());

#if defined(_USE_TRACKING_HASH_TABLE)
	AllocateAllocTable();
#endif

	// restore the active heap
	MFHeap_SetActiveHeap(pOld);

	// init the heap
	MFHeap_InitModulePlatformSpecific();

	return MFAIC_Succeeded;
}