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/**
* @file llmemory.cpp
* @brief Very special memory allocation/deallocation stuff here
*
* Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#include "linden_common.h"
#include "llmemory.h"
#include "llmemtype.h"
// not defining nullfunc will currently crash when trying to use a LLHandle
template< typename _Ty >
const typename LLHandle< _Ty >::NullFunc
LLHandle< _Ty >::sNullFunc = LLHandle< _Ty >::defaultNullFunc;
//----------------------------------------------------------------------------
//static
char* LLMemory::reserveMem = 0;
//static
void LLMemory::initClass()
{
if (!reserveMem)
{
reserveMem = new char[16*1024]; // reserve 16K for out of memory error handling
}
}
//static
void LLMemory::cleanupClass()
{
delete [] reserveMem;
reserveMem = NULL;
}
//static
void LLMemory::freeReserve()
{
delete [] reserveMem;
reserveMem = NULL;
}
//----------------------------------------------------------------------------
//static
#if MEM_TRACK_TYPE
S32 LLMemType::sCurDepth = 0;
S32 LLMemType::sCurType = LLMemType::MTYPE_INIT;
S32 LLMemType::sType[LLMemType::MTYPE_MAX_DEPTH];
S32 LLMemType::sMemCount[LLMemType::MTYPE_NUM_TYPES] = { 0 };
S32 LLMemType::sMaxMemCount[LLMemType::MTYPE_NUM_TYPES] = { 0 };
S32 LLMemType::sOverheadMem = 0;
const char* LLMemType::sTypeDesc[LLMemType::MTYPE_NUM_TYPES] =
{
"INIT",
"STARTUP",
"MAIN",
"IMAGEBASE",
"IMAGERAW",
"IMAGEFORMATTED",
"APPFMTIMAGE",
"APPRAWIMAGE",
"APPAUXRAWIMAGE",
"DRAWABLE",
"OBJECT",
"PIPELINE",
"AVATAR",
"PARTICLES",
"REGIONS",
"INVENTORY",
"ANIMATION",
"NETWORK",
"PHYSICS",
"INTERESTLIST",
"SCRIPT",
"SCRIPT_RUN",
"SCRIPT_BYTECODE",
"IO_PUMP",
"IO_TCP",
"IO_BUFFER",
"IO_HTTP_SERVER"
"IO_SD_SERVER",
"IO_SD_CLIENT",
"IO_URL_REQUEST",
"TEMP1",
"TEMP2",
"TEMP3",
"TEMP4",
"TEMP5",
"TEMP6",
"TEMP7",
"TEMP8",
"TEMP9"
};
#endif
S32 LLMemType::sTotalMem = 0;
S32 LLMemType::sMaxTotalMem = 0;
//static
void LLMemType::printMem()
{
S32 misc_mem = sTotalMem;
#if MEM_TRACK_TYPE
for (S32 i=0; i<MTYPE_NUM_TYPES; i++)
{
if (sMemCount[i])
{
llinfos << llformat("MEM: % 20s %03d MB (%03d MB)",sTypeDesc[i],sMemCount[i]>>20,sMaxMemCount[i]>>20) << llendl;
}
misc_mem -= sMemCount[i];
}
#endif
llinfos << llformat("MEM: % 20s %03d MB","MISC",misc_mem>>20) << llendl;
llinfos << llformat("MEM: % 20s %03d MB (Max=%d MB)","TOTAL",sTotalMem>>20,sMaxTotalMem>>20) << llendl;
}
#if MEM_TRACK_MEM
void* ll_allocate (size_t size)
{
if (size == 0)
{
llwarns << "Null allocation" << llendl;
}
size = (size+3)&~3;
S32 alloc_size = size + 4;
#if MEM_TRACK_TYPE
alloc_size += 4;
#endif
char* p = (char*)malloc(alloc_size);
if (p == NULL)
{
LLMemory::freeReserve();
llerrs << "Out of memory Error" << llendl;
}
LLMemType::sTotalMem += size;
LLMemType::sMaxTotalMem = llmax(LLMemType::sTotalMem, LLMemType::sMaxTotalMem);
LLMemType::sOverheadMem += 4;
*(size_t*)p = size;
p += 4;
#if MEM_TRACK_TYPE
if (LLMemType::sCurType < 0 || LLMemType::sCurType >= LLMemType::MTYPE_NUM_TYPES)
{
llerrs << "Memory Type Error: new" << llendl;
}
LLMemType::sOverheadMem += 4;
*(S32*)p = LLMemType::sCurType;
p += 4;
LLMemType::sMemCount[LLMemType::sCurType] += size;
if (LLMemType::sMemCount[LLMemType::sCurType] > LLMemType::sMaxMemCount[LLMemType::sCurType])
{
LLMemType::sMaxMemCount[LLMemType::sCurType] = LLMemType::sMemCount[LLMemType::sCurType];
}
#endif
return (void*)p;
}
void ll_release (void *pin)
{
if (!pin)
{
return;
}
char* p = (char*)pin;
#if MEM_TRACK_TYPE
p -= 4;
S32 type = *(S32*)p;
if (type < 0 || type >= LLMemType::MTYPE_NUM_TYPES)
{
llerrs << "Memory Type Error: delete" << llendl;
}
#endif
p -= 4;
S32 size = *(size_t*)p;
LLMemType::sOverheadMem -= 4;
#if MEM_TRACK_TYPE
LLMemType::sMemCount[type] -= size;
LLMemType::sOverheadMem -= 4;
#endif
LLMemType::sTotalMem -= size;
free(p);
}
#else
void* ll_allocate (size_t size)
{
if (size == 0)
{
llwarns << "Null allocation" << llendl;
}
void *p = malloc(size);
if (p == NULL)
{
LLMemory::freeReserve();
llerrs << "Out of memory Error" << llendl;
}
return p;
}
void ll_release (void *p)
{
free(p);
}
#endif
#if MEM_TRACK_MEM
void* operator new (size_t size)
{
return ll_allocate(size);
}
void* operator new[] (size_t size)
{
return ll_allocate(size);
}
void operator delete (void *p)
{
ll_release(p);
}
void operator delete[] (void *p)
{
ll_release(p);
}
#endif
//----------------------------------------------------------------------------
LLRefCount::LLRefCount() :
mRef(0)
{
}
LLRefCount::~LLRefCount()
{
if (mRef != 0)
{
llerrs << "deleting non-zero reference" << llendl;
}
}
//----------------------------------------------------------------------------
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