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/**
* @file llmemory.h
* @brief Memory allocation/deallocation header-stuff goes here.
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLMEMORY_H
#define LLMEMORY_H
#include "llmemtype.h"
extern S32 gTotalDAlloc;
extern S32 gTotalDAUse;
extern S32 gDACount;
extern void* ll_allocate (size_t size);
extern void ll_release (void *p);
class LL_COMMON_API LLMemory
{
public:
static void initClass();
static void cleanupClass();
static void freeReserve();
// Return the resident set size of the current process, in bytes.
// Return value is zero if not known.
static U64 getCurrentRSS();
static U32 getWorkingSetSize();
private:
static char* reserveMem;
};
//----------------------------------------------------------------------------
#if MEM_TRACK_MEM
class LLMutex ;
class LL_COMMON_API LLMemTracker
{
private:
LLMemTracker() ;
~LLMemTracker() ;
public:
static void release() ;
static LLMemTracker* getInstance() ;
void track(const char* function, const int line) ;
void preDraw(BOOL pause) ;
void postDraw() ;
const char* getNextLine() ;
private:
static LLMemTracker* sInstance ;
char** mStringBuffer ;
S32 mCapacity ;
U32 mLastAllocatedMem ;
S32 mCurIndex ;
S32 mCounter;
S32 mDrawnIndex;
S32 mNumOfDrawn;
BOOL mPaused;
LLMutex* mMutexp ;
};
#define MEM_TRACK_RELEASE LLMemTracker::release() ;
#define MEM_TRACK LLMemTracker::getInstance()->track(__FUNCTION__, __LINE__) ;
#else // MEM_TRACK_MEM
#define MEM_TRACK_RELEASE
#define MEM_TRACK
#endif // MEM_TRACK_MEM
//----------------------------------------------------------------------------
// LLRefCount moved to llrefcount.h
// LLPointer moved to llpointer.h
// LLSafeHandle moved to llsafehandle.h
// LLSingleton moved to llsingleton.h
#endif
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