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csgo-2018-source/tier0/memstd.cpp

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2021-07-25 12:11:47 +08:00
//========= Copyright (c) 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose: Memory allocation!
//
// $NoKeywords: $
//=============================================================================//
#include "tier0/platform.h"
#if !defined(STEAM) && !defined(NO_MALLOC_OVERRIDE)
//#include <malloc.h>
#include <algorithm>
#include "tier0/dbg.h"
#include "tier0/memalloc.h"
#include "tier0/threadtools.h"
#include "mem_helpers.h"
#include "memstd.h"
#include "tier0/stacktools.h"
#include "tier0/minidump.h"
#ifdef _X360
#include "xbox/xbox_console.h"
#endif
#ifdef _PS3
#include "memoverride_ps3.h"
#endif
#ifndef _WIN32
#define IsDebuggerPresent() false
#endif
#ifdef USE_LIGHT_MEM_DEBUG
#undef USE_MEM_DEBUG
#pragma message("*** USE_LIGHT_MEM_DEBUG is ON ***")
#endif
#define DEF_REGION 0
#if defined( _WIN32 ) || defined( _PS3 )
#define USE_DLMALLOC
#ifdef PLATFORM_WINDOWS_PC64
#define MEMALLOC_REGIONS
#else
#define MEMALLOC_SEGMENT_MIXED
#define MBH_SIZE_MB ( 32 + MBYTES_STEAM_MBH_USAGE )
//#define MEMALLOC_REGIONS
#endif
#endif // _WIN32 || _PS3
// Record a list of memory callbacks for printing information
// about non-heap memory.
// Allow a fixed maximum number of memory callbacks. We can't use
// CUtlVector or other classes so a fixed maximum is necessary.
IMemoryInfo* s_MemoryInfoCallbacks[100];
static size_t s_nMemoryInfoCallbacks;
// Don't modify the MemoryInfoCallbacks without acquiring this mutex
static CThreadMutex s_callbackMutex;
void AddMemoryInfoCallback( IMemoryInfo* pMemoryInfo )
{
CAutoLock locker( s_callbackMutex );
// This is O(n^2) but that's okay because n is just 10-20
for ( size_t i = 0; i < s_nMemoryInfoCallbacks; ++i )
{
if ( s_MemoryInfoCallbacks[ i ] == pMemoryInfo )
{
Assert( !"This pointer has already been added!" );
}
}
if ( s_nMemoryInfoCallbacks < ARRAYSIZE( s_MemoryInfoCallbacks ) )
{
s_MemoryInfoCallbacks[ s_nMemoryInfoCallbacks ] = pMemoryInfo;
++s_nMemoryInfoCallbacks;
}
}
void RemoveMemoryInfoCallback( IMemoryInfo* pMemoryInfo )
{
CAutoLock locker( s_callbackMutex );
for ( size_t i = 0; i < s_nMemoryInfoCallbacks; ++i )
{
if ( s_MemoryInfoCallbacks[ i ] == pMemoryInfo )
{
// Copy the last pointer into this slot and then decrement
// the count of how many callbacks we have.
s_MemoryInfoCallbacks[ i ] = s_MemoryInfoCallbacks[ s_nMemoryInfoCallbacks - 1 ];
--s_nMemoryInfoCallbacks;
return;
}
}
Assert( !"Tried removing a callback that wasn't there!" );
}
// Dump a summary of all of the non-heap memory blocks that have been
// registered with AddMemoryInfoCallback.
void DumpMemoryInfoStats()
{
CAutoLock locker( s_callbackMutex );
size_t nTotalAllocatedBytes = 0;
size_t nTotalPeakBytes = 0;
size_t nTotalCommittedBytes = 0;
size_t nTotalReservedBytes = 0;
const double MB = 1024.0 * 1024.0;
for ( size_t i = 0; i < s_nMemoryInfoCallbacks; ++i )
{
IMemoryInfo* pMemoryInfo = s_MemoryInfoCallbacks[ i ];
nTotalAllocatedBytes += pMemoryInfo->GetAllocatedBytes();
nTotalPeakBytes += pMemoryInfo->GetHighestBytes();
nTotalCommittedBytes += pMemoryInfo->GetCommittedBytes();
nTotalReservedBytes += pMemoryInfo->GetReservedBytes();
const char* name = pMemoryInfo->GetMemoryName();
if ( !name )
{
name = "Unknown memory";
}
if ( pMemoryInfo->GetReservedBytes() != 0 )
{
Msg( "%-40s: %4.1f MB allocated (%4.1f MB peak), %4.1f MB committed, %4.1f MB reserved\n",
name,
pMemoryInfo->GetAllocatedBytes() / MB,
pMemoryInfo->GetHighestBytes() / MB,
pMemoryInfo->GetCommittedBytes() / MB,
pMemoryInfo->GetReservedBytes() / MB );
}
}
Msg( "%-40s: %4.1f MB allocated (%4.1f MB peak), %4.1f MB committed, %4.1f MB reserved\n",
"Extra memory totals",
nTotalAllocatedBytes / MB, nTotalPeakBytes / MB,
nTotalCommittedBytes / MB, nTotalReservedBytes / MB );
}
#ifndef USE_DLMALLOC
#ifdef _PS3
#define malloc_internal( region, bytes ) (g_pMemOverrideRawCrtFns->pfn_malloc)(bytes)
#define malloc_aligned_internal( region, bytes, align ) (g_pMemOverrideRawCrtFns->pfn_memalign)(align, bytes)
#define realloc_internal (g_pMemOverrideRawCrtFns->pfn_realloc)
#define realloc_aligned_internal (g_pMemOverrideRawCrtFns->pfn_reallocalign)
#define free_internal (g_pMemOverrideRawCrtFns->pfn_free)
#define msize_internal (g_pMemOverrideRawCrtFns->pfn_malloc_usable_size)
#define compact_internal() (0)
#define heapstats_internal(p) (void)(0)
#else // _PS3
#define malloc_internal( region, bytes) malloc(bytes)
#define malloc_aligned_internal( region, bytes, align ) memalign(align, bytes)
#define realloc_internal realloc
#define realloc_aligned_internal realloc
#define free_internal free
#ifdef POSIX
#define msize_internal malloc_usable_size
#else // POSIX
#define msize_internal _msize
#endif // POSIX
#define compact_internal() (0)
#define heapstats_internal(p) (void)(0)
#endif // _PS3
#else // USE_DLMALLOC
#define MSPACES 1
#include "dlmalloc/malloc-2.8.3.h"
// Track whether we are using the process heap (-processheap) so that we don't
// unnecessarily reserve tons of memory for the standard heap.
static bool s_bUsingProcessHeap = false;
#ifdef MEMALLOC_REGIONS
static size_t s_nMemSpaceSize = 2ULL * 1024 * 1024 * 1024ULL;
#endif
void *g_AllocRegions[] =
{
#ifndef MEMALLOC_REGIONS
#ifdef MEMALLOC_SEGMENT_MIXED
s_bUsingProcessHeap ? NULL : create_mspace( 0, 1 ), // unified
s_bUsingProcessHeap ? NULL : create_mspace( MBH_SIZE_MB * 1024 * 1024, 1 ),
#else
s_bUsingProcessHeap ? NULL : create_mspace( 100*1024*1024, 1 ),
#endif
#else // MEMALLOC_REGIONS
// @TODO: per DLL regions didn't work out very well. flux of usage left too much overhead. need to try lifetime-based management [6/9/2009 tom]
s_bUsingProcessHeap ? NULL : create_mspace( s_nMemSpaceSize, 1 ), // unified
#endif // MEMALLOC_REGIONS
};
#ifndef MEMALLOC_REGIONS
#ifndef MEMALLOC_SEGMENT_MIXED
#define SelectRegion( region, bytes ) 0
#else
// NOTE: this split is designed to force the 'large block' heap to ONLY perform virtual allocs (see
// DEFAULT_MMAP_THRESHOLD in malloc.cpp), to avoid ANY fragmentation or waste in an internal arena
#define REGION_SPLIT (256*1024)
#define SelectRegion( region, bytes ) g_AllocRegions[bytes < REGION_SPLIT]
#endif
#else // MEMALLOC_REGIONS
#define SelectRegion( region, bytes ) g_AllocRegions[region]
#endif // MEMALLOC_REGIONS
#define malloc_internal( region, bytes ) mspace_malloc(SelectRegion(region,bytes), bytes)
#define malloc_aligned_internal( region, bytes, align ) mspace_memalign(SelectRegion(region,bytes), align, bytes)
FORCEINLINE void *realloc_aligned_internal( void *mem, size_t bytes, size_t align )
{
// TODO: implement realloc_aligned inside dlmalloc (requires splitting realloc's existing
// 'grow in-place' code into a new function, then call that w/ alloc_align/copy/free on failure)
byte *newMem = (byte *)dlrealloc( mem, bytes );
if ( ((size_t)newMem&(align-1)) == 0 )
return newMem;
// realloc broke alignment...
byte *fallback = (byte *)malloc_aligned_internal( DEF_REGION, bytes, align );
if ( !fallback )
return NULL;
memcpy( fallback, newMem, bytes );
dlfree( newMem );
return fallback;
}
inline size_t compact_internal()
{
size_t start = 0, end = 0;
for ( int i = 0; i < ARRAYSIZE(g_AllocRegions); i++ )
{
start += mspace_footprint( g_AllocRegions[i] );
mspace_trim( g_AllocRegions[i], 0 );
end += mspace_footprint( g_AllocRegions[i] );
}
return ( start - end );
}
inline void heapstats_internal( FILE *pFile, IMemAlloc::DumpStatsFormat_t nFormat )
{
// @TODO: improve this presentation, as a table [6/1/2009 tom]
char buf[1024];
for ( int i = 0; i < ARRAYSIZE( g_AllocRegions ); i++ )
{
struct mallinfo info = mspace_mallinfo( g_AllocRegions[ i ] );
size_t footPrint = mspace_footprint( g_AllocRegions[ i ] );
size_t maxFootPrint = mspace_max_footprint( g_AllocRegions[ i ] );
if ( nFormat == IMemAlloc::FORMAT_HTML )
{
_snprintf( buf, sizeof(buf),
"\n<div class=\"sbhTable\"><legend>dlmalloc mspace #%d: %u MiB allocated of %u MiB footprint</legend><pre>\n"
" %d:footprint ~ %5u MiB (total space used by the mspace)\n"
" %d:footprint_max ~ %5u MiB (maximum total space used by the mspace)\n"
" %d:arena ~ %5u MiB (non-mmapped space allocated from system)\n"
" %d:ordblks ~ %5u MiB (number of free chunks)\n"
" %d:hblkhd ~ %5u MiB (space in mmapped regions)\n"
" %d:usmblks ~ %5u MiB (maximum total allocated space)\n"
" %d:uordblks ~ %5u MiB (total allocated space)\n"
" %d:fordblks ~ %5u MiB (total free space)\n"
" %d:keepcost ~ %5u MiB (releasable (via malloc_trim) space)\n</pre></div>",
i, uint( info.uordblks >> 20 ), uint( footPrint >> 20 ),
i,uint( footPrint >> 20 ),
i,uint( maxFootPrint >> 20 ),
i,uint( info.arena >> 20 ),
i,uint( info.ordblks >> 20 ),
i,uint( info.hblkhd >> 20 ),
i,uint( info.usmblks >> 20 ),
i,uint( info.uordblks >> 20 ),
i,uint( info.fordblks >> 20 ),
i,uint( info.keepcost >> 20 )
);
}
else
{
_snprintf( buf, sizeof(buf),
"\ndlmalloc mspace #%d. 1 MiB=2^20 bytes\n"
" %d:footprint ~ %5u MiB (total space used by the mspace)\n"
" %d:footprint_max ~ %5u MiB (maximum total space used by the mspace)\n"
" %d:arena ~ %5u MiB (non-mmapped space allocated from system)\n"
" %d:ordblks ~ %5u MiB (number of free chunks)\n"
" %d:hblkhd ~ %5u MiB (space in mmapped regions)\n"
" %d:usmblks ~ %5u MiB (maximum total allocated space)\n"
" %d:uordblks ~ %5u MiB (total allocated space)\n"
" %d:fordblks ~ %5u MiB (total free space)\n"
" %d:keepcost ~ %5u MiB (releasable (via malloc_trim) space)\n",
i,
i,uint( footPrint >> 20 ),
i,uint( maxFootPrint >> 20 ),
i,uint( info.arena >> 20 ),
i,uint( info.ordblks >> 20 ),
i,uint( info.hblkhd >> 20 ),
i,uint( info.usmblks >> 20 ),
i,uint( info.uordblks >> 20 ),
i,uint( info.fordblks >> 20 ),
i,uint( info.keepcost >> 20 )
);
}
if ( pFile )
fprintf( pFile, "%s", buf );
else
Msg( "%s", buf );
}
}
#define realloc_internal dlrealloc
#define free_internal dlfree
#define msize_internal dlmalloc_usable_size
#endif // USE_DLMALLOC
#ifdef TIME_ALLOC
CAverageCycleCounter g_MallocCounter;
CAverageCycleCounter g_ReallocCounter;
CAverageCycleCounter g_FreeCounter;
#define PrintOne( name ) \
Msg("%-48s: %6.4f avg (%8.1f total, %7.3f peak, %5d iters)\n", \
#name, \
g_##name##Counter.GetAverageMilliseconds(), \
g_##name##Counter.GetTotalMilliseconds(), \
g_##name##Counter.GetPeakMilliseconds(), \
g_##name##Counter.GetIters() ); \
memset( &g_##name##Counter, 0, sizeof(g_##name##Counter) )
void PrintAllocTimes()
{
PrintOne( Malloc );
PrintOne( Realloc );
PrintOne( Free );
}
#define PROFILE_ALLOC(name) CAverageTimeMarker name##_ATM( &g_##name##Counter )
#else // TIME_ALLOC
#define PROFILE_ALLOC( name ) ((void)0)
#define PrintAllocTimes() ((void)0)
#endif // TIME_ALLOC
#if _MSC_VER < 1400 && defined( MSVC ) && !defined(_STATIC_LINKED) && (defined(_DEBUG) || defined(USE_MEM_DEBUG))
void *operator new( unsigned int nSize, int nBlockUse, const char *pFileName, int nLine )
{
return ::operator new( nSize );
}
void *operator new[] ( unsigned int nSize, int nBlockUse, const char *pFileName, int nLine )
{
return ::operator new[]( nSize );
}
#endif
#include "mem_impl_type.h"
#if MEM_IMPL_TYPE_STD
//-----------------------------------------------------------------------------
// Singleton...
//-----------------------------------------------------------------------------
#pragma warning( disable:4074 ) // warning C4074: initializers put in compiler reserved initialization area
#pragma init_seg( compiler )
#if MEM_SBH_ENABLED
CSmallBlockPool< CStdMemAlloc::CFixedAllocator< MBYTES_PRIMARY_SBH, true> >::SharedData_t CSmallBlockPool< CStdMemAlloc::CFixedAllocator< MBYTES_PRIMARY_SBH, true> >::gm_SharedData CONSTRUCT_EARLY;
#ifdef MEMALLOC_USE_SECONDARY_SBH
CSmallBlockPool< CStdMemAlloc::CFixedAllocator< MBYTES_SECONDARY_SBH, false> >::SharedData_t CSmallBlockPool< CStdMemAlloc::CFixedAllocator< MBYTES_SECONDARY_SBH, false> >::gm_SharedData CONSTRUCT_EARLY;
#endif
#ifndef MEMALLOC_NO_FALLBACK
CSmallBlockPool< CStdMemAlloc::CVirtualAllocator >::SharedData_t CSmallBlockPool< CStdMemAlloc::CVirtualAllocator >::gm_SharedData CONSTRUCT_EARLY;
#endif
#endif // MEM_SBH_ENABLED
static CStdMemAlloc s_StdMemAlloc CONSTRUCT_EARLY;
#ifdef _PS3
MemOverrideRawCrtFunctions_t *g_pMemOverrideRawCrtFns;
IMemAlloc *g_pMemAllocInternalPS3 = &s_StdMemAlloc;
PLATFORM_OVERRIDE_MEM_ALLOC_INTERNAL_PS3_IMPL
#else // !_PS3
#ifndef TIER0_VALIDATE_HEAP
IMemAlloc *g_pMemAlloc = &s_StdMemAlloc;
void SetAllocatorObject( IMemAlloc* pAllocator )
{
g_pMemAlloc = pAllocator;
}
#else
IMemAlloc *g_pActualAlloc = &s_StdMemAlloc;
void SetAllocatorObject( IMemAlloc* pAllocator )
{
g_pActualAlloc = pAllocator;
}
#endif
#endif // _PS3
CStdMemAlloc::CStdMemAlloc()
: m_pfnFailHandler( DefaultFailHandler ),
m_sMemoryAllocFailed( (size_t)0 ),
m_bInCompact( false )
{
#ifdef _PS3
g_pMemAllocInternalPS3 = &s_StdMemAlloc;
PLATFORM_OVERRIDE_MEM_ALLOC_INTERNAL_PS3.m_pMemAllocCached = &s_StdMemAlloc;
malloc_managed_size mms;
mms.current_inuse_size = 0x12345678;
mms.current_system_size = 0x09ABCDEF;
mms.max_system_size = reinterpret_cast< size_t >( this );
int iResult = malloc_stats( &mms );
g_pMemOverrideRawCrtFns = reinterpret_cast< MemOverrideRawCrtFunctions_t * >( iResult );
#elif IsPlatformWindowsPC()
char *pStr = (char*)Plat_GetCommandLineA();
if ( pStr )
{
char tempStr[512];
strncpy( tempStr, pStr, sizeof( tempStr ) - 1 );
tempStr[ sizeof( tempStr ) - 1 ] = 0;
_strupr( tempStr );
s_bUsingProcessHeap = CheckWindowsAllocSettings( tempStr );
#ifdef MEMALLOC_REGIONS
const char *pMemSpaceParam = "-memspacemb ";
if ( const char *pMemSpace = strstr( pStr, pMemSpaceParam ) )
{
const char *pMemSpaceMb = pMemSpace + strlen( pMemSpaceParam );
int nMb = atoi( pMemSpaceMb );
s_nMemSpaceSize = size_t( nMb ) * ( 1024 * 1024ull );
}
#endif
}
#endif
}
#if MEM_SBH_ENABLED
//-----------------------------------------------------------------------------
// Small block heap (multi-pool)
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
template <typename T>
inline T MemAlign( T val, unsigned alignment )
{
return (T)( ( (unsigned)val + alignment - 1 ) & ~( alignment - 1 ) );
}
template <typename CAllocator>
void CSmallBlockHeap<CAllocator>::InitPools( const uint *pSizes )
{
if ( pSizes[ NUM_POOLS - 1 ] != MAX_SBH_BLOCK )
{
Error( "SBH Configuration failure: size[%d]=%u, expected %d", NUM_POOLS - 1, pSizes[ NUM_POOLS - 1 ], MAX_SBH_BLOCK );
}
for ( int iPool = 0; iPool < NUM_POOLS; ++iPool )
{
m_Pools[ iPool ].Init( pSizes[ iPool ] );
}
int iCurPool = 0;
const int MAX_TABLE = MAX_SBH_BLOCK >> SBH_BLOCK_LOOKUP_GRANULARITY;
for ( int i = 0; i < MAX_TABLE; i++ )
{
int nByteSize = ( i + 1 ) << SBH_BLOCK_LOOKUP_GRANULARITY;
Assert( ( ( nByteSize - 1 ) >> SBH_BLOCK_LOOKUP_GRANULARITY ) == i ); //Like putting Assert( FindPool( nByteSize ) == m_PoolLookup[ i ] ) in the end of the loop body;
if ( m_Pools[ iCurPool ].GetBlockSize() < nByteSize )
{
++iCurPool;// move on to the next pool
Assert( iCurPool );
}
Assert( nByteSize <= m_Pools[ iCurPool ].GetBlockSize() );
m_PoolLookup[ i ] = &m_Pools[ iCurPool ];
}
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
size_t g_nSBHOverride = 0;
bool g_bSBHCompactDisabled = false;
template <typename CAllocator>
void CSmallBlockPool<CAllocator>::Init( unsigned nBlockSize )
{
SharedData_t *pSharedData = GetSharedData();
if ( !pSharedData->m_pBase )
{
if ( !g_nSBHOverride )
{
//
// Check command-line for settings and overrides
//
const char *pszPlatCommandLine = Plat_GetCommandLineA();
//
// SBH size in megabytes
//
char const *szSBH = pszPlatCommandLine ? strstr( pszPlatCommandLine, "-forcesbhsizemb " ) : NULL;
if ( szSBH )
{
g_nSBHOverride = size_t( atoi( szSBH + strlen( "-forcesbhsizemb " ) ) ) * size_t( 1024 * 1024 );
COMPILE_TIME_ASSERT( !( ( CAllocator::BYTES_PAGE - 1 ) & CAllocator::BYTES_PAGE ) ); // allocator page size must be power of 2
g_nSBHOverride = ( g_nSBHOverride + CAllocator::BYTES_PAGE - 1 ) & ~( CAllocator::BYTES_PAGE - 1 ); // the size of arena must be integer number of pages. Otherwise, a) we waste space; b) some SBH code assumptions seem to be broken
Msg( "SBH size forced override -forcesbhsizemb: %llu bytes (%u MB)\n", g_nSBHOverride, uint( g_nSBHOverride / (1024*1024) ) );
}
else
{
g_nSBHOverride = MBYTES_PRIMARY_SBH * 1024 * 1024;
}
//
// SBH compact control
//
char const *szSBHcompact = pszPlatCommandLine ? strstr( pszPlatCommandLine, "-sbhcompactdisabled " ) : NULL;
if ( szSBHcompact )
{
g_bSBHCompactDisabled = true;
Msg( "SBH compact disabled\n" );
}
}
pSharedData->m_pBase = pSharedData->m_Allocator.AllocatePoolMemory();
pSharedData->m_numPages = pSharedData->m_Allocator.GetNumPages();
if ( Q_ARRAYSIZE( pSharedData->m_PageStatus ) < pSharedData->m_numPages )
Error( "SBH Configuration Error! (%u < %u)", Q_ARRAYSIZE( pSharedData->m_PageStatus ), pSharedData->m_numPages );
pSharedData->m_pLimit = pSharedData->m_pBase + pSharedData->m_Allocator.GetTotalBytes();
pSharedData->m_pNextBlock = pSharedData->m_pBase;
}
if ( !( nBlockSize % MIN_SBH_ALIGN == 0 && nBlockSize >= MIN_SBH_BLOCK && nBlockSize >= sizeof(TSLNodeBase_t) ) )
DebuggerBreak();
m_nBlockSize = nBlockSize;
m_pNextAlloc = NULL;
m_nCommittedPages = 0;
m_nIsCompact = 1;
}
template <typename CAllocator>
size_t CSmallBlockPool<CAllocator>::GetBlockSize()
{
return m_nBlockSize;
}
// Define VALIDATE_SBH_FREE_LIST to a given block size to validate that pool's freelist (it'll crash on the next alloc/free after the list is corrupted)
// NOTE: this may affect perf more than USE_LIGHT_MEM_DEBUG
//#define VALIDATE_SBH_FREE_LIST 320
template <typename CAllocator>
void CSmallBlockPool<CAllocator>::ValidateFreelist( SharedData_t *pSharedData )
{
#ifdef VALIDATE_SBH_FREE_LIST
if ( m_nBlockSize != VALIDATE_SBH_FREE_LIST )
return;
static int count = 0;
count++; // Track when the corruption occurs, if repeatable
pSharedData->m_Lock.LockForWrite();
#ifdef USE_NATIVE_SLIST
TSLNodeBase_t *pNode = (TSLNodeBase_t *)(m_FreeList.AccessUnprotected()->Next.Next);
#else
TSLNodeBase_t *pNode = (TSLNodeBase_t *)(m_FreeList.AccessUnprotected()->value.Next);
#endif
while( pNode )
pNode = pNode->Next;
pSharedData->m_Lock.UnlockWrite();
#endif // VALIDATE_SBH_FREE_LIST
}
//CThreadFastMutex g_SergiyTest;
template <typename CAllocator>
void *CSmallBlockPool<CAllocator>::Alloc()
{
SharedData_t *pSharedData = GetSharedData();
ValidateFreelist( pSharedData );
CThreadSpinRWLock &sharedLock = pSharedData->m_Lock;
if ( !sharedLock.TryLockForRead() )
{
sharedLock.LockForRead();
}
byte *pResult;
intp iPage = -1;
int iThreadPriority = INT_MAX;
while (1)
{
pResult = m_FreeList.Pop();
if ( !pResult )
{
int nBlockSize = m_nBlockSize;
byte *pNextAlloc;
while (1)
{
pResult = m_pNextAlloc;
if ( pResult )
{
pNextAlloc = pResult + nBlockSize;
if ( ( ( uintp( pNextAlloc - pSharedData->m_pBase ) - 1 ) % BYTES_PAGE ) + nBlockSize > BYTES_PAGE )
{
// Crossed a logical page boundary; note that logical pages may be larger than physical pages, and VirtualAlloc may return memory that is not aligned to a logical page boundary
pNextAlloc = 0;
}
if ( m_pNextAlloc.AssignIf( pResult, pNextAlloc ) )
{
iPage = (size_t)((byte *)pResult - pSharedData->m_pBase) / BYTES_PAGE;
break;
}
}
else if ( m_CommitMutex.TryLock() )
{
if ( !m_pNextAlloc )
{
PageStatus_t *pAllocatedPageStatus = (PageStatus_t *)pSharedData->m_FreePages.Pop();
if ( pAllocatedPageStatus )
{
iPage = pAllocatedPageStatus - &pSharedData->m_PageStatus[0];
}
else
{
while (1)
{
byte *pBlock = pSharedData->m_pNextBlock;
if ( pBlock >= pSharedData->m_pLimit )
{
break;
}
if ( ThreadInterlockedAssignPointerIf( (void **)&pSharedData->m_pNextBlock, (void *)( pBlock + BYTES_PAGE ), (void *)pBlock ) )
{
iPage = (size_t)((byte *)pBlock - pSharedData->m_pBase) / BYTES_PAGE;
pAllocatedPageStatus = &pSharedData->m_PageStatus[iPage];
break;
}
}
}
if ( pAllocatedPageStatus )
{
byte *pBlock = pSharedData->m_pBase + ( iPage * BYTES_PAGE );
if ( pAllocatedPageStatus->m_nAllocated == NOT_COMMITTED )
{
pSharedData->m_Allocator.Commit( pBlock );
}
pAllocatedPageStatus->m_pPool = this;
pAllocatedPageStatus->m_nAllocated = 0;
pAllocatedPageStatus->m_pNextPageInPool = m_pFirstPage;
m_pFirstPage = pAllocatedPageStatus;
#ifdef TRACK_SBH_COUNTS
m_nFreeBlocks += ( BYTES_PAGE / m_nBlockSize );
#endif
m_nCommittedPages++;
m_pNextAlloc = pBlock;
}
else
{
m_pNextAlloc = NULL;
m_CommitMutex.Unlock();
sharedLock.UnlockRead();
return NULL;
}
}
m_CommitMutex.Unlock();
}
else
{
if ( iThreadPriority == INT_MAX)
{
iThreadPriority = ThreadGetPriority();
}
if ( iThreadPriority > 0 )
{
ThreadSleep( 0 );
}
}
}
if ( pResult )
{
break;
}
}
else
{
iPage = (size_t)((byte *)pResult - pSharedData->m_pBase) / BYTES_PAGE;
break;
}
}
#ifdef TRACK_SBH_COUNTS
--m_nFreeBlocks;
#endif
++pSharedData->m_PageStatus[iPage].m_nAllocated;
sharedLock.UnlockRead();
return pResult;
}
template <typename CAllocator>
void CSmallBlockPool<CAllocator>::Free( void *p )
{
SharedData_t *pSharedData = GetSharedData();
size_t iPage = (size_t)((byte *)p - pSharedData->m_pBase) / BYTES_PAGE;
CThreadSpinRWLock &sharedLock = pSharedData->m_Lock;
if ( !sharedLock.TryLockForRead() )
{
sharedLock.LockForRead();
}
--pSharedData->m_PageStatus[iPage].m_nAllocated;
// Once the last allocation is removed from any page in a pool, the pool will no longer be considered compact
// and if the compact process is run on the heap all of the pages of this pool will have to be examined to
// determine if they can be returned to the free page list. Note, it is possible that a pool will be marked
// as not compact when all allocations are removed from a page, but then a new allocation may be put in the
// same page, meaning the pool will not actually have any empty pages but will still be flagged as not compact.
if ( pSharedData->m_PageStatus[iPage].m_nAllocated == 0 )
{
m_nIsCompact = 0;
}
#ifdef TRACK_SBH_COUNTS
++m_nFreeBlocks;
#endif
m_FreeList.Push( p );
pSharedData->m_Lock.UnlockRead();
ValidateFreelist( pSharedData );
}
// Count the free blocks.
template <typename CAllocator>
int CSmallBlockPool<CAllocator>::CountFreeBlocks()
{
#ifdef TRACK_SBH_COUNTS
return m_nFreeBlocks;
#else
return 0;
#endif
}
// Size of committed memory managed by this heap:
template <typename CAllocator>
size_t CSmallBlockPool<CAllocator>::GetCommittedSize()
{
return size_t( m_nCommittedPages ) * size_t( BYTES_PAGE );
}
// Return the total blocks memory is committed for in the heap
template <typename CAllocator>
int CSmallBlockPool<CAllocator>::CountCommittedBlocks()
{
return m_nCommittedPages * ( BYTES_PAGE / m_nBlockSize );
}
// Count the number of allocated blocks in the heap:
template <typename CAllocator>
int CSmallBlockPool<CAllocator>::CountAllocatedBlocks()
{
#ifdef TRACK_SBH_COUNTS
return CountCommittedBlocks() - CountFreeBlocks();
#else
return 0;
#endif
}
template <typename CAllocator>
int CSmallBlockPool<CAllocator>::PageSort( const void *p1, const void *p2 )
{
SharedData_t *pSharedData = GetSharedData();
return pSharedData->m_PageStatus[*((int *)p1)].m_SortList.Count() - pSharedData->m_PageStatus[*((int *)p2)].m_SortList.Count();
}
template <typename CAllocator>
bool CSmallBlockPool<CAllocator>::RemovePagesFromFreeList( byte **pPages, int nPages, bool bSortList )
{
// Since we don't use the depth of the tslist, and sequence is only used for push, we can remove in-place
int i;
byte **pLimits = (byte **)stackalloc( nPages * sizeof(byte *) );
int nBlocksNotInFreeList = 0;
for ( i = 0; i < nPages; i++ )
{
pLimits[i] = pPages[i] + BYTES_PAGE;
if ( m_pNextAlloc >= pPages[i] && m_pNextAlloc < pLimits[i] )
{
nBlocksNotInFreeList = ( pLimits[i] - m_pNextAlloc ) / m_nBlockSize;
m_pNextAlloc = NULL;
}
}
int iTarget = ( ( BYTES_PAGE/m_nBlockSize ) * nPages ) - nBlocksNotInFreeList;
int iCount = 0;
TSLHead_t *pRawFreeList = m_FreeList.AccessUnprotected();
bool bRemove;
if ( !bSortList || m_nCommittedPages - nPages == 1 )
{
#ifdef USE_NATIVE_SLIST
TSLNodeBase_t **ppPrevNext = (TSLNodeBase_t **)&(pRawFreeList->Next);
#else
TSLNodeBase_t **ppPrevNext = (TSLNodeBase_t **)&(pRawFreeList->value.Next);
#endif
TSLNodeBase_t *pNode = *ppPrevNext;
while ( pNode && iCount != iTarget )
{
bRemove = false;
for ( i = 0; i < nPages; i++ )
{
if ( (byte *)pNode >= pPages[i] && (byte *)pNode < pLimits[i] )
{
bRemove = true;
break;
}
}
if ( bRemove )
{
iCount++;
*ppPrevNext = pNode->Next;
}
else
{
*ppPrevNext = pNode;
ppPrevNext = &pNode->Next;
}
pNode = pNode->Next;
}
}
else
{
SharedData_t *pSharedData = GetSharedData();
byte *pSharedBase = pSharedData->m_pBase;
TSLNodeBase_t *pNode = m_FreeList.Detach();
TSLNodeBase_t *pNext;
int iSortPage;
int nSortPages = 0;
int *sortPages = (int *)stackalloc( m_nCommittedPages * sizeof(int) );
while ( pNode )
{
pNext = pNode->Next;
bRemove = false;
for ( i = 0; i < nPages; i++ )
{
if ( (byte *)pNode >= pPages[i] && (byte *)pNode < pLimits[i] )
{
iCount++;
bRemove = true;
break;
}
}
if ( !bRemove )
{
iSortPage = ( (byte *)pNode - pSharedBase ) / BYTES_PAGE;
if ( !pSharedData->m_PageStatus[iSortPage].m_SortList.Count() )
{
sortPages[nSortPages++] = iSortPage;
}
pSharedData->m_PageStatus[iSortPage].m_SortList.Push( pNode );
}
pNode = pNext;
}
if ( nSortPages > 1 )
{
qsort( sortPages, nSortPages, sizeof(int), &PageSort );
}
for ( i = 0; i < nSortPages; i++ )
{
while ( ( pNode = pSharedData->m_PageStatus[sortPages[i]].m_SortList.Pop() ) != NULL )
{
m_FreeList.Push( pNode );
}
}
}
if ( iTarget != iCount )
{
DebuggerBreakIfDebugging();
}
return ( iTarget == iCount );
}
template <typename CAllocator>
size_t CSmallBlockPool<CAllocator>::Compact( bool bIncremental )
{
// If the pool is flagged as being compact there have been no free operations which resulted
// in a page in the pool becoming empty, as a result there is no need to try to compact this pool.
if ( m_nIsCompact || g_bSBHCompactDisabled )
return 0;
static bool bWarnedCorruption;
bool bIsCorrupt = false;
int i;
size_t nFreed = 0;
SharedData_t *pSharedData = GetSharedData();
pSharedData->m_Lock.LockForWrite();
if ( m_pFirstPage )
{
PageStatus_t **pReleasedPages = (PageStatus_t **)stackalloc( m_nCommittedPages * sizeof(PageStatus_t *) );
PageStatus_t **pReleasedPagesPrevs = (PageStatus_t **)stackalloc( m_nCommittedPages * sizeof(PageStatus_t *) );
byte **pPageBases = (byte **)stackalloc( m_nCommittedPages * sizeof(byte *) );
int nPages = 0;
// Gather the pages to return to the backing pool
PageStatus_t *pPage = m_pFirstPage;
PageStatus_t *pPagePrev = NULL;
while ( pPage )
{
if ( pPage->m_nAllocated == 0 )
{
pReleasedPages[nPages] = pPage;
pPageBases[nPages] = pSharedData->m_pBase + ( pPage - &pSharedData->m_PageStatus[0] ) * BYTES_PAGE;
pReleasedPagesPrevs[nPages] = pPagePrev;
nPages++;
if ( bIncremental )
{
break;
}
}
pPagePrev = pPage;
pPage = pPage->m_pNextPageInPool;
}
if ( nPages )
{
// Remove the pages from the pool's free list
if ( !RemovePagesFromFreeList( pPageBases, nPages, !bIncremental ) && !bWarnedCorruption )
{
// We don't know which of the pages encountered an incomplete free list
// so we'll just push them all back in and hope for the best. This isn't
// ventilator control software!
bWarnedCorruption = true;
bIsCorrupt = true;
}
nFreed = nPages * BYTES_PAGE;
m_nCommittedPages -= nPages;
#ifdef TRACK_SBH_COUNTS
m_nFreeBlocks -= nPages * ( BYTES_PAGE / m_nBlockSize );
#endif
// Unlink the pages
for ( i = nPages - 1; i >= 0; --i )
{
if ( pReleasedPagesPrevs[i] )
{
pReleasedPagesPrevs[i]->m_pNextPageInPool = pReleasedPages[i]->m_pNextPageInPool;
}
else
{
m_pFirstPage = pReleasedPages[i]->m_pNextPageInPool;
}
pReleasedPages[i]->m_pNextPageInPool = NULL;
pReleasedPages[i]->m_pPool = NULL;
}
// Push them onto the backing free lists
if ( !pSharedData->m_Allocator.IsVirtual() )
{
for ( i = 0; i < nPages; i++ )
{
pSharedData->m_FreePages.Push( pReleasedPages[i] );
}
}
else
{
size_t nMinReserve = ( bIncremental ) ? pSharedData->m_Allocator.GetMinReservePages() * 8 : pSharedData->m_Allocator.GetMinReservePages();
ptrdiff_t nReserveNeeded = nMinReserve - pSharedData->m_FreePages.Count();
if ( nReserveNeeded > 0 )
{
int nToKeepCommitted = MIN( nReserveNeeded, nPages );
while ( nToKeepCommitted-- )
{
nPages--;
pSharedData->m_FreePages.Push( pReleasedPages[nPages] );
}
}
if ( nPages )
{
// Detach the list, push the decommitted page on, iterate up to previous
// decommits, but them on, then push the committed pages on
TSLNodeBase_t *pNodes = pSharedData->m_FreePages.Detach();
for ( i = 0; i < nPages; i++ )
{
pReleasedPages[i]->m_nAllocated = NOT_COMMITTED;
pSharedData->m_Allocator.Decommit( pPageBases[i] );
pSharedData->m_FreePages.Push( pReleasedPages[i] );
}
TSLNodeBase_t *pCur, *pTemp = NULL;
pCur = pNodes;
while ( pCur )
{
if ( ((PageStatus_t *)pCur)->m_nAllocated == NOT_COMMITTED )
{
if ( pTemp )
{
pTemp->Next = NULL;
}
else
{
pNodes = NULL; // The list only has decommitted pages, don't go circular
}
while ( pCur )
{
pTemp = pCur->Next;
pSharedData->m_FreePages.Push( pCur );
pCur = pTemp;
}
break;
}
pTemp = pCur;
pCur = pCur->Next;
}
while ( pNodes )
{
pTemp = pNodes->Next;
pSharedData->m_FreePages.Push( pNodes );
pNodes = pTemp;
}
}
}
}
}
if ( !bIncremental )
{
m_nIsCompact = 1;
}
pSharedData->m_Lock.UnlockWrite();
if ( bIsCorrupt )
{
Warning( "***** HEAP IS CORRUPT (free compromised for block size %d,in %s heap, possible write after free *****)\n", m_nBlockSize, ( pSharedData->m_Allocator.IsVirtual() ) ? "virtual" : "physical" );
}
return nFreed;
}
template <typename CAllocator>
bool CSmallBlockPool<CAllocator>::Validate()
{
#ifdef NO_SBH
return true;
#else
int invalid = 0;
SharedData_t *pSharedData = GetSharedData();
pSharedData->m_Lock.LockForWrite();
byte **pPageBases = (byte **)stackalloc( m_nCommittedPages * sizeof(byte *) );
unsigned *pageCounts = (unsigned *)stackalloc( m_nCommittedPages * sizeof(unsigned) );
memset( pageCounts, 0, m_nCommittedPages * sizeof(int) );
unsigned nPages = 0;
unsigned nEmptyPages = 0;
unsigned sumAllocated = 0;
unsigned freeNotInFreeList = 0;
// Validate page list is consistent
if ( !m_pFirstPage )
{
if ( m_nCommittedPages != 0 )
{
invalid = __LINE__;
goto notValid;
}
}
else
{
PageStatus_t *pPage = m_pFirstPage;
while ( pPage )
{
pPageBases[nPages] = pSharedData->m_pBase + ( pPage - &pSharedData->m_PageStatus[0] ) * BYTES_PAGE;
if ( pPage->m_pPool != this )
{
invalid = __LINE__;
goto notValid;
}
if ( nPages > m_nCommittedPages )
{
invalid = __LINE__;
goto notValid;
}
sumAllocated += pPage->m_nAllocated;
if ( m_pNextAlloc >= pPageBases[nPages] && m_pNextAlloc < pPageBases[nPages] + BYTES_PAGE )
{
freeNotInFreeList = pageCounts[nPages] = ( ( pPageBases[nPages] + BYTES_PAGE ) - m_pNextAlloc ) / m_nBlockSize;
}
if ( pPage->m_nAllocated == 0 )
{
nEmptyPages++;
}
nPages++;
pPage = pPage->m_pNextPageInPool;
};
if ( nPages != m_nCommittedPages )
{
invalid = __LINE__;
goto notValid;
}
// If there are empty pages then the pool should always be marked as not compact, however
// its fine for the pool to be marked as not compact even if there are no empty pages.
if ( ( nEmptyPages > 0 ) && m_nIsCompact )
{
invalid = __LINE__;
goto notValid;
}
}
// Validate block counts
{
unsigned blocksPerPage = ( BYTES_PAGE / m_nBlockSize );
#ifdef USE_NATIVE_SLIST
TSLNodeBase_t *pNode = (TSLNodeBase_t *)(m_FreeList.AccessUnprotected()->Next.Next);
#else
TSLNodeBase_t *pNode = (TSLNodeBase_t *)(m_FreeList.AccessUnprotected()->value.Next);
#endif
unsigned i;
while ( pNode )
{
for ( i = 0; i < nPages; i++ )
{
if ( (byte *)pNode >= pPageBases[i] && (byte *)pNode < pPageBases[i] + BYTES_PAGE )
{
pageCounts[i]++;
break;
}
}
if ( i == nPages )
{
invalid = __LINE__;
goto notValid;
}
pNode = pNode->Next;
}
PageStatus_t *pPage = m_pFirstPage;
i = 0;
while ( pPage )
{
unsigned nFreeOnPage = blocksPerPage - pPage->m_nAllocated;
if ( nFreeOnPage != pageCounts[i++] )
{
invalid = __LINE__;
goto notValid;
}
pPage = pPage->m_pNextPageInPool;
}
}
notValid:
pSharedData->m_Lock.UnlockWrite();
if ( invalid != 0 )
{
return false;
}
return true;
#endif
}
static const uint s_nPoolSizesServer64[] = { 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240, 256, 288, 320, 352, 384, 416, 448, 480, 512, 576, 640, 704, 768, 896, 1024, 1280, 1536, 1792, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2 * 1048576, 4 * 1048576, 8 * 1048576, 16 * 1048576 };
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
template <typename CAllocator>
CSmallBlockHeap<CAllocator>::CSmallBlockHeap()
{
m_pSharedData = CPool::GetSharedData();
// Build a lookup table used to find the correct pool based on size
#ifdef _M_X64
COMPILE_TIME_ASSERT( sizeof( s_nPoolSizesServer64 ) / sizeof( s_nPoolSizesServer64[ 0 ] ) == NUM_POOLS );
InitPools( s_nPoolSizesServer64 );
#else
const int MAX_TABLE = MAX_SBH_BLOCK >> SBH_BLOCK_LOOKUP_GRANULARITY;
int i = 0;
int nBytesElement = 0;
CPool *pCurPool = NULL;
int iCurPool = 0;
// Blocks sized 0 - 128 are in pools in increments of 8
for ( ; i < 32; i++ )
{
if ( (i + 1) % 2 == 1)
{
nBytesElement += 8;
pCurPool = &m_Pools[iCurPool];
pCurPool->Init( nBytesElement );
iCurPool++;
m_PoolLookup[i] = pCurPool;
}
else
{
m_PoolLookup[i] = pCurPool;
}
}
// Blocks sized 129 - 256 are in pools in increments of 16
for ( ; i < 64; i++ )
{
if ( (i + 1) % 4 == 1)
{
nBytesElement += 16;
pCurPool = &m_Pools[iCurPool];
pCurPool->Init( nBytesElement );
iCurPool++;
m_PoolLookup[i] = pCurPool;
}
else
{
m_PoolLookup[i] = pCurPool;
}
}
// Blocks sized 257 - 512 are in pools in increments of 32
for ( ; i < 128; i++ )
{
if ( (i + 1) % 8 == 1)
{
nBytesElement += 32;
pCurPool = &m_Pools[iCurPool];
pCurPool->Init( nBytesElement );
iCurPool++;
m_PoolLookup[i] = pCurPool;
}
else
{
m_PoolLookup[i] = pCurPool;
}
}
// Blocks sized 513 - 768 are in pools in increments of 64
for ( ; i < 192; i++ )
{
if ( (i + 1) % 16 == 1)
{
nBytesElement += 64;
pCurPool = &m_Pools[iCurPool];
pCurPool->Init( nBytesElement );
iCurPool++;
m_PoolLookup[i] = pCurPool;
}
else
{
m_PoolLookup[i] = pCurPool;
}
}
// Blocks sized 769 - 1024 are in pools in increments of 128
for ( ; i < 256; i++ )
{
if ( (i + 1) % 32 == 1)
{
nBytesElement += 128;
pCurPool = &m_Pools[iCurPool];
pCurPool->Init( nBytesElement );
iCurPool++;
m_PoolLookup[i] = pCurPool;
}
else
{
m_PoolLookup[i] = pCurPool;
}
}
// Blocks sized 1025 - 2048 are in pools in increments of 256
for ( ; i < MAX_TABLE; i++ )
{
if ( (i + 1) % 64 == 1)
{
nBytesElement += 256;
pCurPool = &m_Pools[iCurPool];
pCurPool->Init( nBytesElement );
iCurPool++;
m_PoolLookup[i] = pCurPool;
}
else
{
m_PoolLookup[i] = pCurPool;
}
}
if ( iCurPool != NUM_POOLS )
{
Error( "SBH configuration error: %d/%d pools initialized\n", iCurPool, NUM_POOLS );
}
#endif
}
template <typename CAllocator>
bool CSmallBlockHeap<CAllocator>::ShouldUse( size_t nBytes )
{
return ( nBytes <= MAX_SBH_BLOCK );
}
template <typename CAllocator>
bool CSmallBlockHeap<CAllocator>::IsOwner( void * p )
{
if ( uintp(p) >= uintp(m_pSharedData->m_pBase) )
{
size_t index = (size_t)((byte *)p - m_pSharedData->m_pBase) / BYTES_PAGE;
return ( index < m_pSharedData->m_numPages );
}
return false;
}
template <typename CAllocator>
void *CSmallBlockHeap<CAllocator>::Alloc( size_t nBytes )
{
if ( nBytes == 0)
{
nBytes = 1;
}
Assert( ShouldUse( nBytes ) );
CPool *pPool = FindPool( nBytes );
void *p = pPool->Alloc();
return p;
}
template <typename CAllocator>
void *CSmallBlockHeap<CAllocator>::Realloc( void *p, size_t nBytes )
{
if ( nBytes == 0)
{
nBytes = 1;
}
CPool *pOldPool = FindPool( p );
CPool *pNewPool = ( ShouldUse( nBytes ) ) ? FindPool( nBytes ) : NULL;
if ( pOldPool == pNewPool )
{
return p;
}
void *pNewBlock = NULL;
if ( !pNewBlock )
{
pNewBlock = MemAlloc_Alloc( nBytes ); // Call back out so blocks can move from the secondary to the primary pools
}
if ( !pNewBlock )
{
pNewBlock = malloc_internal( DEF_REGION, nBytes );
}
if ( pNewBlock )
{
size_t nBytesCopy = MIN( nBytes, pOldPool->GetBlockSize() );
memcpy( pNewBlock, p, nBytesCopy );
}
else if ( nBytes < pOldPool->GetBlockSize() )
{
return p;
}
pOldPool->Free( p );
return pNewBlock;
}
template <typename CAllocator>
void CSmallBlockHeap<CAllocator>::Free( void *p )
{
CPool *pPool = FindPool( p );
if ( pPool )
{
pPool->Free( p );
}
else
{
// we probably didn't hook some allocation and now we're freeing it or the heap has been trashed!
DebuggerBreakIfDebugging();
}
}
template <typename CAllocator>
size_t CSmallBlockHeap<CAllocator>::GetSize( void *p )
{
CPool *pPool = FindPool( p );
return pPool->GetBlockSize();
}
template <typename CAllocator>
void CSmallBlockHeap<CAllocator>::Usage( size_t &bytesCommitted, size_t &bytesAllocated )
{
bytesCommitted = 0;
bytesAllocated = 0;
for ( int i = 0; i < NUM_POOLS; i++ )
{
bytesCommitted += m_Pools[i].GetCommittedSize();
bytesAllocated += ( size_t( m_Pools[i].CountAllocatedBlocks() ) * size_t( m_Pools[i].GetBlockSize() ) );
}
}
const char *Tier0_Prettynum( int64 num )
{
static char s_Buffer[ 16 * 64 ], *s_pNext = s_Buffer;
int nDigits = 1, nSymbols = num < 0 ? 1 : 0; // how many digits there are so far in the string; at least one digit is always there
for ( int64 remaining = num / 10; remaining; remaining /= 10 )
{
if ( ( nDigits % 3 ) == 0 ) // we already have 3n digits in the string, and we're about to put 3n+1st digit. Add comma there
nSymbols++; // comma
nDigits++;
}
if ( s_pNext + nDigits + nSymbols + 1 >= s_Buffer + sizeof( s_Buffer ) )
{
s_pNext = s_Buffer ;
}
char *pEndOfString = s_pNext + nDigits + nSymbols, *pRunning = pEndOfString;
*pRunning = '\0';
int nDigitsWritten = 1;
*--pRunning = ( num % 10 ) + '0';
for ( int64 remaining = num / 10; remaining; remaining /= 10 )
{
if ( ( nDigitsWritten % 3 ) == 0 ) // we already have 3n digits in the string, and we're about to put 3n+1st digit. Add comma there
*--pRunning = ',';
*--pRunning = ( remaining % 10 ) + '0';
++nDigitsWritten;
}
if ( num < 0 )
*--pRunning = '-';
if ( pRunning != s_pNext )
DebuggerBreakIfDebugging();
s_pNext = pEndOfString+1;
return pRunning;
}
template <typename CAllocator>
void CSmallBlockHeap<CAllocator>::DumpStats( const char *pszTag, FILE *pFile, IMemAlloc::DumpStatsFormat_t nFormat )
{
size_t bytesCommitted, bytesAllocated;
Usage( bytesCommitted, bytesAllocated );
if ( pFile )
{
if ( bytesCommitted || bytesAllocated )
{
if ( nFormat == IMemAlloc::FORMAT_HTML )
{
fprintf( pFile, "<div class=\"sbhTable\" data-role=\"collapsible\">" );
const char *pExtraAttrib = CAllocator::IsVirtual() ? " style=\"color:red\"" : ""; // we shouldn't be having any bytes committed on a virtual allocator..
fprintf( pFile, "<legend%s>Committed:<b>%16s</b> Allocated:<b>%16s</b></legend>\n", pExtraAttrib, Tier0_Prettynum( bytesCommitted ), Tier0_Prettynum( bytesAllocated ) );
fprintf( pFile, "<table class=\"dataTable\" style=\"border:1px solid grey;text-align:right;margin:1px;width:auto;\">"
"<tbody><tr style=\"color:white;border:1px solid grey;margin:2px\"><th>Pool&nbsp;</th><th>Size&nbsp;</th><th>Used#&nbsp;</th><th>(%%)&nbsp;</th><th>Free#&nbsp;</th><th>(%%)&nbsp;</th><th>Commit#&nbsp;</th><th>Commit mem&nbsp;</th></tr>"
);
for ( int i = 0; i < NUM_POOLS; i++ )
{
uint nBlockSize = uint( m_Pools[ i ].GetBlockSize() );
uint nAllocatedBlocks = m_Pools[ i ].CountAllocatedBlocks();
uint nFreeBlocks = m_Pools[ i ].CountFreeBlocks();
uint nCommittedBlocks = m_Pools[ i ].CountCommittedBlocks();
uint64 nCommittedSize = m_Pools[ i ].GetCommittedSize();
if ( nCommittedBlocks )
{
// output for vxconsole parsing
fprintf( pFile, "<tr><td>%d</td><td>%d</td><td>%s</td><td><i>%d%%</i></td><td>%s</td><td><i>%d%%</i></td><td>%s</td><td>%s</td></tr>\n",
i,
nBlockSize,
Tier0_Prettynum( nAllocatedBlocks ),
nCommittedBlocks ? int( nAllocatedBlocks * 100.0 / nCommittedBlocks ) : 0,
Tier0_Prettynum( nFreeBlocks ),
nCommittedBlocks ? int( nFreeBlocks * 100.0 / nCommittedBlocks ) : 0,
Tier0_Prettynum( nCommittedBlocks ),
Tier0_Prettynum( nCommittedSize )
);
}
else
{
fprintf( pFile, "<tr style=\"color:#444444\"><td>%d</td><td>%d</td><td colspan=6>Not Used</td></tr>\n", i, nBlockSize );
}
}
fprintf( pFile, "</tbody></table></div><script>$(document).ready(function(){"
"$(\".sbhTable\").accordion( { collapsible:true, active:false } );"
"});</script>" );
}
else
{
for ( int i = 0; i < NUM_POOLS; i++ )
{
uint nBlockSize = uint( m_Pools[ i ].GetBlockSize() );
uint nAllocatedBlocks = m_Pools[ i ].CountAllocatedBlocks();
uint nFreeBlocks = m_Pools[ i ].CountFreeBlocks();
uint nCommittedBlocks = m_Pools[ i ].CountCommittedBlocks();
uint64 nCommittedSize = m_Pools[ i ].GetCommittedSize();
if ( nCommittedBlocks )
{
// output for vxconsole parsing
fprintf( pFile, "Pool %3i: (%5u-byte) blocks used:%16s (%2d%%) free:%16s (%2d%%) commit:%16s (bytes:%16s)\n",
i,
nBlockSize,
Tier0_Prettynum( nAllocatedBlocks ),
nCommittedBlocks ? int( nAllocatedBlocks * 100.0 / nCommittedBlocks ) : 0,
Tier0_Prettynum( nFreeBlocks ),
nCommittedBlocks ? int( nFreeBlocks * 100.0 / nCommittedBlocks ) : 0,
Tier0_Prettynum( nCommittedBlocks ),
Tier0_Prettynum( nCommittedSize )
);
}
else
{
fprintf( pFile, "Pool %3i: (%5u-byte) not used\n", i, nBlockSize );
}
}
fprintf( pFile, "Totals (%s): Committed:%16s Allocated:%16s\n", pszTag, Tier0_Prettynum( bytesCommitted ), Tier0_Prettynum( bytesAllocated ) );
}
}
else
{
fprintf( pFile, "%s is Empty\n", pszTag );
}
}
else
{
if ( bytesCommitted || bytesAllocated )
for ( int i = 0; i < NUM_POOLS; i++ )
{
uint nBlockSize = uint( m_Pools[ i ].GetBlockSize() );
uint nAllocatedBlocks = m_Pools[ i ].CountAllocatedBlocks();
uint nFreeBlocks = m_Pools[ i ].CountFreeBlocks();
uint nCommittedBlocks = m_Pools[ i ].CountCommittedBlocks();
if ( nCommittedBlocks )
{
uint64 nCommittedSize = m_Pools[ i ].GetCommittedSize();
Msg( "Pool %3i: (size: %5u) blocks: allocated:%16s (%2d%%) free:%16s (%2d%%) committed:%16s (committed size:%16s)\n",
i,
nBlockSize,
Tier0_Prettynum( nAllocatedBlocks ),
nCommittedBlocks ? int( nAllocatedBlocks * 100.0 / nCommittedBlocks ) : 0,
Tier0_Prettynum( nFreeBlocks ),
nCommittedBlocks ? int( nFreeBlocks * 100.0 / nCommittedBlocks ) : 0,
Tier0_Prettynum( nCommittedBlocks ),
Tier0_Prettynum( nCommittedSize )
);
}
else
{
Msg( "Pool %3i: (%5u-byte) not used\n", i, nBlockSize );
}
}
Msg( "Totals (%s): Committed:%16s Allocated:%16s\n", pszTag, Tier0_Prettynum( bytesCommitted ), Tier0_Prettynum( bytesAllocated ) );
}
}
template <typename CAllocator>
CSmallBlockPool<CAllocator> *CSmallBlockHeap<CAllocator>::FindPool( size_t nBytes )
{
return m_PoolLookup[ ( nBytes - 1 ) >> SBH_BLOCK_LOOKUP_GRANULARITY ];
}
template <typename CAllocator>
CSmallBlockPool<CAllocator> *CSmallBlockHeap<CAllocator>::FindPool( void *p )
{
// NOTE: If p < m_pBase, cast to unsigned size_t will cause it to be large
size_t index = (size_t)((byte *)p - m_pSharedData->m_pBase) / BYTES_PAGE;
if ( index < m_pSharedData->m_numPages )
return m_pSharedData->m_PageStatus[index].m_pPool;
return NULL;
}
template <typename CAllocator>
size_t CSmallBlockHeap<CAllocator>::Compact( bool bIncremental )
{
if ( g_bSBHCompactDisabled )
return 0;
size_t nRecovered = 0;
if ( bIncremental )
{
static int iLastIncremental;
iLastIncremental++;
for ( int i = 0; i < NUM_POOLS; i++ )
{
int idx = ( i + iLastIncremental ) % NUM_POOLS;
nRecovered = m_Pools[idx].Compact( bIncremental );
if ( nRecovered )
{
iLastIncremental = idx;
break;
}
}
}
else
{
for ( int i = 0; i < NUM_POOLS; i++ )
{
nRecovered += m_Pools[i].Compact( bIncremental );
}
}
return nRecovered;
}
template <typename CAllocator>
bool CSmallBlockHeap<CAllocator>::Validate()
{
bool valid = true;
for ( int i = 0; i < NUM_POOLS; i++ )
{
valid = m_Pools[i].Validate() && valid;
}
return valid;
}
#endif // MEM_SBH_ENABLED
//-----------------------------------------------------------------------------
// Lightweight memory tracking
//-----------------------------------------------------------------------------
#ifdef USE_LIGHT_MEM_DEBUG
#ifndef LIGHT_MEM_DEBUG_REQUIRES_CMD_LINE_SWITCH
#define UsingLMD() true
#else // LIGHT_MEM_DEBUG_REQUIRES_CMD_LINE_SWITCH
bool g_bUsingLMD = ( Plat_GetCommandLineA() ) ? ( strstr( Plat_GetCommandLineA(), "-uselmd" ) != NULL ) : false;
#define UsingLMD() g_bUsingLMD
#if defined( _PS3 )
#error "Plat_GetCommandLineA() not implemented on PS3"
#endif
#endif // LIGHT_MEM_DEBUG_REQUIRES_CMD_LINE_SWITCH
const char *g_pszUnknown = "unknown";
struct Sentinal_t
{
DWORD value[4];
};
Sentinal_t g_HeadSentinel =
{
0xdeadbeef,
0xbaadf00d,
0xbd122969,
0xdeadbeef,
};
Sentinal_t g_TailSentinel =
{
0xbaadf00d,
0xbd122969,
0xdeadbeef,
0xbaadf00d,
};
const byte g_FreeFill = 0xdd;
static const uint LWD_FREE = 0;
static const uint LWD_ALLOCATED = 1;
#define LMD_STATUS_BITS ( 1 )
#define LMD_ALIGN_BITS ( 32 - LMD_STATUS_BITS )
#define LMD_MAX_ALIGN ( 1 << ( LMD_ALIGN_BITS - 1) )
struct AllocHeader_t
{
const char *pszModule;
int line;
size_t nBytes;
uint status : LMD_STATUS_BITS;
uint align : LMD_ALIGN_BITS;
Sentinal_t sentinal;
};
const int g_nRecentFrees = ( IsPC() ) ? 8192 : 512;
AllocHeader_t **g_pRecentFrees = (AllocHeader_t **)calloc( g_nRecentFrees, sizeof(AllocHeader_t *) );
int g_iNextFreeSlot;
#define INTERNAL_INLINE
#define LMDToHeader( pUserPtr ) ( ((AllocHeader_t *)(pUserPtr)) - 1 )
#define LMDFromHeader( pHeader ) ( (byte *)((pHeader) + 1) )
CThreadFastMutex g_LMDMutex;
const char *g_pLMDFileName = NULL;
int g_nLMDLine;
int g_iLMDDepth;
void LMDPushAllocDbgInfo( const char *pFileName, int nLine )
{
if ( ThreadInMainThread() )
{
if ( !g_iLMDDepth )
{
g_pLMDFileName = pFileName;
g_nLMDLine = nLine;
}
g_iLMDDepth++;
}
}
void LMDPopAllocDbgInfo()
{
if ( ThreadInMainThread() && g_iLMDDepth > 0 )
{
g_iLMDDepth--;
if ( g_iLMDDepth == 0 )
{
g_pLMDFileName = NULL;
g_nLMDLine = 0;
}
}
}
void LMDReportInvalidBlock( AllocHeader_t *pHeader, const char *pszMessage )
{
char szMsg[256];
if ( pHeader )
{
sprintf( szMsg, "HEAP IS CORRUPT: %s (block 0x%x, size %d, alignment %d)\n", pszMessage, (size_t)LMDFromHeader( pHeader ), pHeader->nBytes, pHeader->align );
}
else
{
sprintf( szMsg, "HEAP IS CORRUPT: %s\n", pszMessage );
}
if ( Plat_IsInDebugSession() )
{
DebuggerBreak();
}
else
{
WriteMiniDump();
}
#ifdef IS_WINDOWS_PC
::MessageBox( NULL, szMsg, "Error", MB_SYSTEMMODAL | MB_OK );
#else
Warning( szMsg );
#endif
}
void LMDValidateBlock( AllocHeader_t *pHeader, bool bFreeList )
{
if ( !pHeader )
return;
if ( memcmp( &pHeader->sentinal, &g_HeadSentinel, sizeof(Sentinal_t) ) != 0 )
{
LMDReportInvalidBlock( pHeader, "Head sentinel corrupt" );
}
if ( memcmp( ((Sentinal_t *)(LMDFromHeader( pHeader ) + pHeader->nBytes)), &g_TailSentinel, sizeof(Sentinal_t) ) != 0 )
{
LMDReportInvalidBlock( pHeader, "Tail sentinel corrupt" );
}
if ( bFreeList )
{
byte *pStart = (byte *)pHeader + sizeof(AllocHeader_t);
byte *pCur = pStart;
byte *pLimit = pCur + pHeader->nBytes;
while ( pCur != pLimit )
{
if ( *pCur++ != g_FreeFill )
{
char szMsg[128];
sprintf( szMsg, "Write after free, %d bytes after start of allocation", ( (pCur-1) - pStart ) );
LMDReportInvalidBlock( pHeader, szMsg );
}
}
}
}
size_t LMDComputeHeaderSize( size_t align = 0 )
{
if ( !align )
return sizeof(AllocHeader_t);
// For aligned allocs, the header is preceded by padding which maintains alignment
if ( align > LMD_MAX_ALIGN )
s_StdMemAlloc.SetCRTAllocFailed( align ); // TODO: could convert alignment to exponent to get around this, or use a flag for alignments over 1KB or 1MB...
return ( ( sizeof( AllocHeader_t ) + (align-1) ) & ~(align-1) );
}
size_t LMDAdjustSize( size_t &nBytes, size_t align = 0 )
{
if ( !UsingLMD() )
return nBytes;
// Add data before+after each alloc
return ( nBytes + LMDComputeHeaderSize( align ) + sizeof(Sentinal_t) );
}
void *LMDNoteAlloc( void *p, size_t nBytes, size_t align = 0, const char *pszModule = g_pszUnknown, int line = 0 )
{
if ( !UsingLMD() )
{
return p;
}
if ( g_pLMDFileName )
{
pszModule = g_pLMDFileName;
line = g_nLMDLine;
}
if ( p )
{
byte *pUserPtr = ((byte*)p) + LMDComputeHeaderSize( align );
AllocHeader_t *pHeader = LMDToHeader( pUserPtr );
pHeader->pszModule = pszModule;
pHeader->line = line;
pHeader->status = LWD_ALLOCATED;
pHeader->nBytes = nBytes;
pHeader->align = (uint)align;
pHeader->sentinal = g_HeadSentinel;
*((Sentinal_t *)(pUserPtr + pHeader->nBytes)) = g_TailSentinel;
LMDValidateBlock( pHeader, false );
return pUserPtr;
}
return NULL;
// Some SBH clients rely on allocations > 16 bytes being 16-byte aligned, so we mustn't break that assumption:
MEMSTD_COMPILE_TIME_ASSERT( sizeof( AllocHeader_t ) % 16 == 0 );
}
void *LMDNoteFree( void *p )
{
if ( !UsingLMD() )
{
return p;
}
AUTO_LOCK( g_LMDMutex );
if ( !p )
{
return NULL;
}
AllocHeader_t *pHeader = LMDToHeader( p );
if ( pHeader->status == LWD_FREE )
{
LMDReportInvalidBlock( pHeader, "Double free" );
}
LMDValidateBlock( pHeader, false );
AllocHeader_t *pToReturn;
if ( pHeader->nBytes < 16*1024 )
{
pToReturn = g_pRecentFrees[g_iNextFreeSlot];
LMDValidateBlock( pToReturn, true );
g_pRecentFrees[g_iNextFreeSlot] = pHeader;
g_iNextFreeSlot = (g_iNextFreeSlot + 1 ) % g_nRecentFrees;
}
else
{
pToReturn = pHeader;
LMDValidateBlock( g_pRecentFrees[rand() % g_nRecentFrees], true );
}
pHeader->status = LWD_FREE;
memset( pHeader + 1, g_FreeFill, pHeader->nBytes );
if ( pToReturn && ( pToReturn->align ) )
{
// For aligned allocations, the actual system allocation starts *before* the LMD header:
size_t headerPadding = LMDComputeHeaderSize( pToReturn->align ) - sizeof( AllocHeader_t );
return ( ((byte*)pToReturn) - headerPadding );
}
return pToReturn;
}
size_t LMDGetSize( void *p )
{
if ( !UsingLMD() )
{
return (size_t)(-1);
}
AllocHeader_t *pHeader = LMDToHeader( p );
return pHeader->nBytes;
}
bool LMDValidateHeap()
{
if ( !UsingLMD() )
{
return true;
}
AUTO_LOCK( g_LMDMutex );
for ( int i = 0; i < g_nRecentFrees && g_pRecentFrees[i]; i++ )
{
LMDValidateBlock( g_pRecentFrees[i], true );
}
return true;
}
void *LMDRealloc( void *pMem, size_t nSize, size_t align = 0, const char *pszModule = g_pszUnknown, int line = 0 )
{
if ( nSize == 0 )
{
s_StdMemAlloc.Free( pMem );
return NULL;
}
void *pNew;
#ifdef MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
if ( align )
pNew = s_StdMemAlloc.AllocAlign( nSize, align, pszModule, line );
else
#endif // MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
pNew = s_StdMemAlloc.Alloc( nSize, pszModule, line );
if ( !pMem )
{
return pNew;
}
AllocHeader_t *pHeader = LMDToHeader( pMem );
if ( align != pHeader->align )
{
LMDReportInvalidBlock( pHeader, "Realloc changed alignment!" );
}
size_t nCopySize = MIN( nSize, pHeader->nBytes );
memcpy( pNew, pMem, nCopySize );
s_StdMemAlloc.Free( pMem, pszModule, line );
return pNew;
}
#else // USE_LIGHT_MEM_DEBUG
#define INTERNAL_INLINE FORCEINLINE
#define UsingLMD() false
FORCEINLINE size_t LMDAdjustSize( size_t &nBytes, size_t align = 0 ) { return nBytes; }
#define LMDNoteAlloc( pHeader, ... ) (pHeader)
#define LMDNoteFree( pHeader, ... ) (pHeader)
#define LMDGetSize( pHeader ) (size_t)(-1)
#define LMDToHeader( pHeader ) (pHeader)
#define LMDFromHeader( pHeader ) (pHeader)
#define LMDValidateHeap() (true)
#define LMDPushAllocDbgInfo( pFileName, nLine ) ((void)0)
#define LMDPopAllocDbgInfo() ((void)0)
FORCEINLINE void *LMDRealloc( void *pMem, size_t nSize, size_t align = 0, const char *pszModule = NULL, int line = 0 ) { return NULL; }
#endif // USE_LIGHT_MEM_DEBUG
//-----------------------------------------------------------------------------
// Internal versions
//-----------------------------------------------------------------------------
INTERNAL_INLINE void *CStdMemAlloc::InternalAllocFromPools( size_t nSize )
{
#if MEM_SBH_ENABLED
void *pMem;
pMem = m_PrimarySBH.Alloc( nSize );
if ( pMem )
{
return pMem;
}
#ifdef MEMALLOC_USE_SECONDARY_SBH
pMem = m_SecondarySBH.Alloc( nSize );
if ( pMem )
{
return pMem;
}
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
pMem = m_FallbackSBH.Alloc( nSize );
if ( pMem )
{
return pMem;
}
#endif // MEMALLOC_NO_FALLBACK
CallAllocFailHandler( nSize );
#endif // MEM_SBH_ENABLED
return NULL;
}
INTERNAL_INLINE void *CStdMemAlloc::InternalAlloc( int region, size_t nSize )
{
PROFILE_ALLOC(Malloc);
void *pMem;
#if MEM_SBH_ENABLED
if ( m_PrimarySBH.ShouldUse( nSize ) ) // test valid for either pool
{
pMem = InternalAllocFromPools( nSize );
if ( !pMem )
{
// Only compact the small block heaps and only try
// the allocation again if memory is recovered.
if ( InternalCompact( true ) )
{
pMem = InternalAllocFromPools( nSize );
}
}
if ( pMem )
{
ApplyMemoryInitializations( pMem, nSize );
return pMem;
}
ExecuteOnce( DevWarning( "\n\nDRASTIC MEMORY OVERFLOW: Fell out of small block heap!\n\n\n") );
}
#endif // MEM_SBH_ENABLED
pMem = malloc_internal( region, nSize );
if ( !pMem )
{
CompactOnFail();
pMem = malloc_internal( region, nSize );
if ( !pMem )
{
SetCRTAllocFailed( nSize );
return NULL;
}
}
ApplyMemoryInitializations( pMem, nSize );
return pMem;
}
#ifdef MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
INTERNAL_INLINE void *CStdMemAlloc::InternalAllocAligned( int region, size_t nSize, size_t align )
{
PROFILE_ALLOC(MallocAligned);
void *pMem;
#if MEM_SBH_ENABLED
size_t nSizeAligned = ( nSize + align - 1 ) & ~( align - 1 );
if ( m_PrimarySBH.ShouldUse( nSizeAligned ) ) // test valid for either pool
{
pMem = InternalAllocFromPools( nSizeAligned );
if ( !pMem )
{
CompactOnFail();
pMem = InternalAllocFromPools( nSizeAligned );
}
if ( pMem )
{
ApplyMemoryInitializations( pMem, nSizeAligned );
return pMem;
}
ExecuteOnce( DevWarning( "Warning: Fell out of small block heap!\n") );
}
#endif // MEM_SBH_ENABLED
pMem = malloc_aligned_internal( region, nSize, align );
if ( !pMem )
{
CompactOnFail();
pMem = malloc_aligned_internal( region, nSize, align );
if ( !pMem )
{
SetCRTAllocFailed( nSize );
return NULL;
}
}
ApplyMemoryInitializations( pMem, nSize );
return pMem;
}
#endif // MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
INTERNAL_INLINE void *CStdMemAlloc::InternalRealloc( void *pMem, size_t nSize )
{
if ( !pMem )
{
return RegionAlloc( DEF_REGION, nSize );
}
PROFILE_ALLOC(Realloc);
#if MEM_SBH_ENABLED
if ( m_PrimarySBH.IsOwner( pMem ) )
{
return m_PrimarySBH.Realloc( pMem, nSize );
}
#ifdef MEMALLOC_USE_SECONDARY_SBH
if ( m_SecondarySBH.IsOwner( pMem ) )
{
return m_SecondarySBH.Realloc( pMem, nSize );
}
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
if ( m_FallbackSBH.IsOwner( pMem ) )
{
return m_FallbackSBH.Realloc( pMem, nSize );
}
#endif // MEMALLOC_NO_FALLBACK
#endif // MEM_SBH_ENABLED
void *pRet = realloc_internal( pMem, nSize );
if ( !pRet )
{
CompactOnFail();
pRet = realloc_internal( pMem, nSize );
if ( !pRet )
{
SetCRTAllocFailed( nSize );
}
}
return pRet;
}
#ifdef MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
INTERNAL_INLINE void *CStdMemAlloc::InternalReallocAligned( void *pMem, size_t nSize, size_t align )
{
if ( !pMem )
{
return InternalAllocAligned( DEF_REGION, nSize, align );
}
PROFILE_ALLOC(ReallocAligned);
#if MEM_SBH_ENABLED
if ( m_PrimarySBH.IsOwner( pMem ) )
{
return m_PrimarySBH.Realloc( pMem, nSize );
}
#ifdef MEMALLOC_USE_SECONDARY_SBH
if ( m_SecondarySBH.IsOwner( pMem ) )
{
return m_SecondarySBH.Realloc( pMem, nSize );
}
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
if ( m_FallbackSBH.IsOwner( pMem ) )
{
return m_FallbackSBH.Realloc( pMem, nSize );
}
#endif // MEMALLOC_NO_FALLBACK
#endif // MEM_SBH_ENABLED
void *pRet = realloc_aligned_internal( pMem, nSize, align );
if ( !pRet )
{
CompactOnFail();
pRet = realloc_aligned_internal( pMem, nSize, align );
if ( !pRet )
{
SetCRTAllocFailed( nSize );
}
}
return pRet;
}
#endif
INTERNAL_INLINE void CStdMemAlloc::InternalFree( void *pMem )
{
if ( !pMem )
{
return;
}
PROFILE_ALLOC(Free);
#if MEM_SBH_ENABLED
if ( m_PrimarySBH.IsOwner( pMem ) )
{
m_PrimarySBH.Free( pMem );
return;
}
#ifdef MEMALLOC_USE_SECONDARY_SBH
if ( m_SecondarySBH.IsOwner( pMem ) )
{
return m_SecondarySBH.Free( pMem );
}
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
if ( m_FallbackSBH.IsOwner( pMem ) )
{
m_FallbackSBH.Free( pMem );
return;
}
#endif // MEMALLOC_NO_FALLBACK
#endif // MEM_SBH_ENABLED
free_internal( pMem );
}
void CStdMemAlloc::CompactOnFail()
{
CompactHeap();
}
//-----------------------------------------------------------------------------
// Release versions
//-----------------------------------------------------------------------------
void *CStdMemAlloc::Alloc( size_t nSize )
{
size_t nAdjustedSize = LMDAdjustSize( nSize );
return LMDNoteAlloc( CStdMemAlloc::InternalAlloc( DEF_REGION, nAdjustedSize ), nSize );
}
#ifdef MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void * CStdMemAlloc::AllocAlign( size_t nSize, size_t align )
{
size_t nAdjustedSize = LMDAdjustSize( nSize, align );
return LMDNoteAlloc( CStdMemAlloc::InternalAllocAligned( DEF_REGION, nAdjustedSize, align ), nSize, align );
}
#endif // MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void *CStdMemAlloc::Realloc( void *pMem, size_t nSize )
{
if ( UsingLMD() )
return LMDRealloc( pMem, nSize );
return CStdMemAlloc::InternalRealloc( pMem, nSize );
}
#ifdef MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void * CStdMemAlloc::ReallocAlign( void *pMem, size_t nSize, size_t align )
{
if ( UsingLMD() )
return LMDRealloc( pMem, nSize, align );
return CStdMemAlloc::InternalReallocAligned( pMem, nSize, align );
}
#endif // MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void CStdMemAlloc::Free( void *pMem )
{
pMem = LMDNoteFree( pMem );
CStdMemAlloc::InternalFree( pMem );
}
void *CStdMemAlloc::Expand_NoLongerSupported( void *pMem, size_t nSize )
{
return NULL;
}
//-----------------------------------------------------------------------------
// Debug versions
//-----------------------------------------------------------------------------
void *CStdMemAlloc::Alloc( size_t nSize, const char *pFileName, int nLine )
{
size_t nAdjustedSize = LMDAdjustSize( nSize );
return LMDNoteAlloc( CStdMemAlloc::InternalAlloc( DEF_REGION, nAdjustedSize ), nSize, 0, pFileName, nLine );
}
#ifdef MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void *CStdMemAlloc::AllocAlign( size_t nSize, size_t align, const char *pFileName, int nLine )
{
size_t nAdjustedSize = LMDAdjustSize( nSize, align );
return LMDNoteAlloc( CStdMemAlloc::InternalAllocAligned( DEF_REGION, nAdjustedSize, align ), nSize, align, pFileName, nLine );
}
#endif // MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void *CStdMemAlloc::Realloc( void *pMem, size_t nSize, const char *pFileName, int nLine )
{
if ( UsingLMD() )
return LMDRealloc( pMem, nSize, 0, pFileName, nLine );
return CStdMemAlloc::InternalRealloc( pMem, nSize );
}
#ifdef MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void * CStdMemAlloc::ReallocAlign( void *pMem, size_t nSize, size_t align, const char *pFileName, int nLine )
{
if ( UsingLMD() )
return LMDRealloc( pMem, nSize, align, pFileName, nLine );
return CStdMemAlloc::InternalReallocAligned( pMem, nSize, align );
}
#endif // MEMALLOC_SUPPORTS_ALIGNED_ALLOCATIONS
void CStdMemAlloc::Free( void *pMem, const char *pFileName, int nLine )
{
pMem = LMDNoteFree( pMem );
CStdMemAlloc::InternalFree( pMem );
}
void *CStdMemAlloc::Expand_NoLongerSupported( void *pMem, size_t nSize, const char *pFileName, int nLine )
{
return NULL;
}
//-----------------------------------------------------------------------------
// Region support
//-----------------------------------------------------------------------------
void *CStdMemAlloc::RegionAlloc( int region, size_t nSize )
{
size_t nAdjustedSize = LMDAdjustSize( nSize );
return LMDNoteAlloc( CStdMemAlloc::InternalAlloc( region, nAdjustedSize ), nSize );
}
void *CStdMemAlloc::RegionAlloc( int region, size_t nSize, const char *pFileName, int nLine )
{
size_t nAdjustedSize = LMDAdjustSize( nSize );
return LMDNoteAlloc( CStdMemAlloc::InternalAlloc( region, nAdjustedSize ), nSize, 0, pFileName, nLine );
}
#if defined (LINUX)
#include <malloc.h>
#elif defined (OSX)
#define malloc_usable_size( ptr ) malloc_size( ptr )
extern "C" {
extern size_t malloc_size( const void *ptr );
}
#endif // LINUX/OSX
//-----------------------------------------------------------------------------
// Returns the size of a particular allocation (NOTE: may be larger than the size requested!)
//-----------------------------------------------------------------------------
size_t CStdMemAlloc::GetSize( void *pMem )
{
if ( !pMem )
return CalcHeapUsed();
if ( UsingLMD() )
{
return LMDGetSize( pMem );
}
#if MEM_SBH_ENABLED
if ( m_PrimarySBH.IsOwner( pMem ) )
{
return m_PrimarySBH.GetSize( pMem );
}
#ifdef MEMALLOC_USE_SECONDARY_SBH
if ( m_SecondarySBH.IsOwner( pMem ) )
{
return m_SecondarySBH.GetSize( pMem );
}
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
if ( m_FallbackSBH.IsOwner( pMem ) )
{
return m_FallbackSBH.GetSize( pMem );
}
#endif // MEMALLOC_NO_FALLBACK
#endif // MEM_SBH_ENABLED
return msize_internal( pMem );
}
//-----------------------------------------------------------------------------
// Force file + line information for an allocation
//-----------------------------------------------------------------------------
void CStdMemAlloc::PushAllocDbgInfo( const char *pFileName, int nLine )
{
LMDPushAllocDbgInfo( pFileName, nLine );
}
void CStdMemAlloc::PopAllocDbgInfo()
{
LMDPopAllocDbgInfo();
}
//-----------------------------------------------------------------------------
// FIXME: Remove when we make our own heap! Crt stuff we're currently using
//-----------------------------------------------------------------------------
int32 CStdMemAlloc::CrtSetBreakAlloc( int32 lNewBreakAlloc )
{
return 0;
}
int CStdMemAlloc::CrtSetReportMode( int nReportType, int nReportMode )
{
return 0;
}
int CStdMemAlloc::CrtIsValidHeapPointer( const void *pMem )
{
return 1;
}
int CStdMemAlloc::CrtIsValidPointer( const void *pMem, unsigned int size, int access )
{
return 1;
}
int CStdMemAlloc::CrtCheckMemory( void )
{
#ifndef _CERT
LMDValidateHeap();
#if MEM_SBH_ENABLED
if ( !m_PrimarySBH.Validate() )
{
ExecuteOnce( Msg( "Small block heap is corrupt (primary)\n " ) );
}
#ifdef MEMALLOC_USE_SECONDARY_SBH
if ( !m_SecondarySBH.Validate() )
{
ExecuteOnce( Msg( "Small block heap is corrupt (secondary)\n " ) );
}
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
if ( !m_FallbackSBH.Validate() )
{
ExecuteOnce( Msg( "Small block heap is corrupt (fallback)\n " ) );
}
#endif // MEMALLOC_NO_FALLBACK
#endif // MEM_SBH_ENABLED
#endif // _CERT
return 1;
}
int CStdMemAlloc::CrtSetDbgFlag( int nNewFlag )
{
return 0;
}
void CStdMemAlloc::CrtMemCheckpoint( _CrtMemState *pState )
{
}
// FIXME: Remove when we have our own allocator
void* CStdMemAlloc::CrtSetReportFile( int nRptType, void* hFile )
{
return 0;
}
void* CStdMemAlloc::CrtSetReportHook( void* pfnNewHook )
{
return 0;
}
int CStdMemAlloc::CrtDbgReport( int nRptType, const char * szFile,
int nLine, const char * szModule, const char * pMsg )
{
return 0;
}
int CStdMemAlloc::heapchk()
{
#ifdef _WIN32
CrtCheckMemory();
return _HEAPOK;
#else
return 1;
#endif
}
void CStdMemAlloc::DumpStats()
{
DumpStatsFileBase( "memstats" );
}
void CStdMemAlloc::DumpStatsFileBase( char const *pchFileBase, DumpStatsFormat_t nFormat )
{
#if defined( _WIN32 ) || defined( _GAMECONSOLE )
char filename[ 512 ];
_snprintf( filename, sizeof( filename ) - 1,
#ifdef _X360
"game:\\%s.txt",
#elif defined( _PS3 )
"/app_home/%s.txt",
#else
"%s.txt",
#endif
pchFileBase );
filename[ sizeof( filename ) - 1 ] = 0;
FILE *pFile = ( IsGameConsole() ) ? NULL : fopen( filename, "wt" );
#if MEM_SBH_ENABLED
if ( pFile )
fprintf( pFile, "Fixed Page SBH:\n" );
else
Msg( "Fixed Page SBH:\n" );
m_PrimarySBH.DumpStats("Fixed Page SBH", pFile, nFormat);
#ifdef MEMALLOC_USE_SECONDARY_SBH
if ( pFile )
fprintf( pFile, "Secondary Fixed Page SBH:\n" );
else
Msg( "Secondary Page SBH:\n" );
m_SecondarySBH.DumpStats("Secondary Page SBH", pFile);
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
if ( pFile )
fprintf( pFile, "\nFallback SBH:\n" );
else
Msg( "\nFallback SBH:\n" );
m_FallbackSBH.DumpStats("Fallback SBH", pFile, nFormat); // Dump statistics to small block heap
#endif // MEMALLOC_NO_FALLBACK
#endif // MEM_SBH_ENABLED
#ifdef _PS3
malloc_managed_size mms;
(g_pMemOverrideRawCrtFns->pfn_malloc_stats)( &mms );
Msg( "PS3 malloc_stats: %u / %u / %u \n", mms.current_inuse_size, mms.current_system_size, mms.max_system_size );
#endif // _PS3
heapstats_internal( pFile, nFormat );
#if defined( _X360 )
XBX_rMemDump( filename );
#endif
if ( pFile )
fclose( pFile );
#endif // _WIN32 || _GAMECONSOLE
}
IVirtualMemorySection * CStdMemAlloc::AllocateVirtualMemorySection( size_t numMaxBytes )
{
#if defined( _GAMECONSOLE ) || defined( _WIN32 )
extern IVirtualMemorySection * VirtualMemoryManager_AllocateVirtualMemorySection( size_t numMaxBytes );
return VirtualMemoryManager_AllocateVirtualMemorySection( numMaxBytes );
#else
return NULL;
#endif
}
size_t CStdMemAlloc::ComputeMemoryUsedBy( char const *pchSubStr )
{
return 0;//dbg heap only.
}
static inline size_t ExtraDevkitMemory( void )
{
#if defined( _PS3 )
// 213MB are available in retail mode, so adjust free mem to reflect that even if we're in devkit mode
const size_t RETAIL_SIZE = 213*1024*1024;
static sys_memory_info stat;
sys_memory_get_user_memory_size( &stat );
if ( stat.total_user_memory > RETAIL_SIZE )
return ( stat.total_user_memory - RETAIL_SIZE );
#elif defined( _X360 )
// TODO: detect the new 1GB devkit...
#endif // _PS3/_X360
return 0;
}
void CStdMemAlloc::GlobalMemoryStatus( size_t *pUsedMemory, size_t *pFreeMemory )
{
if ( !pUsedMemory || !pFreeMemory )
return;
size_t dlMallocFree = 0;
#if defined( USE_DLMALLOC )
// Account for free memory contained within DLMalloc's FIRST region. The rationale is as follows:
// - the first region is supposed to service large allocations via virtual allocation, and to grow as
// needed (until all physical pages are used), so true 'out of memory' failures should occur there.
// - other regions (the 2-256kb 'medium block heap', or per-DLL heaps, and the Small Block Heap)
// are sized to a pre-determined high watermark, and not intended to grow. Free memory within
// those regions is not available for large allocations, so adding that to the 'free memory'
// yields confusing data which does not correspond well with out-of-memory failures.
mallinfo info = mspace_mallinfo( g_AllocRegions[ 0 ] );
dlMallocFree += info.fordblks;
#endif // USE_DLMALLOC
#if defined ( _X360 )
// GlobalMemoryStatus tells us how much physical memory is free
MEMORYSTATUS stat;
::GlobalMemoryStatus( &stat );
*pFreeMemory = stat.dwAvailPhys;
*pFreeMemory += dlMallocFree;
// Adjust free mem to reflect a retail box, even if we're using a devkit with extra memory
*pFreeMemory -= ExtraDevkitMemory();
// Used is total minus free (discount the 32MB system reservation)
*pUsedMemory = ( stat.dwTotalPhys - 32*1024*1024 ) - *pFreeMemory;
#elif defined( _PS3 )
// NOTE: we use dlmalloc instead of the system heap, so we do NOT count the system heap's free space!
//static malloc_managed_size mms;
//(g_pMemOverrideRawCrtFns->pfn_malloc_stats)( &mms );
//int heapFree = mms.current_system_size - mms.current_inuse_size;
// sys_memory_get_user_memory_size tells us how much PPU memory is used/free
static sys_memory_info stat;
sys_memory_get_user_memory_size( &stat );
*pFreeMemory = stat.available_user_memory;
*pFreeMemory += dlMallocFree;
*pUsedMemory = stat.total_user_memory - *pFreeMemory;
// Adjust free mem to reflect a retail box, even if we're using a devkit with extra memory
*pFreeMemory -= ExtraDevkitMemory();
#else // _X360/_PS3/other
// no data
*pFreeMemory = 0;
*pUsedMemory = 0;
#endif // _X360/_PS3//other
}
#define MAX_GENERIC_MEMORY_STATS 64
GenericMemoryStat_t g_MemStats[MAX_GENERIC_MEMORY_STATS];
int g_nMemStats = 0;
static inline int AddGenericMemoryStat( const char *name, int value )
{
Assert( g_nMemStats < MAX_GENERIC_MEMORY_STATS );
if ( g_nMemStats < MAX_GENERIC_MEMORY_STATS )
{
g_MemStats[ g_nMemStats ].name = name;
g_MemStats[ g_nMemStats ].value = value;
g_nMemStats++;
}
return g_nMemStats;
}
int CStdMemAlloc::GetGenericMemoryStats( GenericMemoryStat_t **ppMemoryStats )
{
if ( !ppMemoryStats )
return 0;
g_nMemStats = 0;
#if MEM_SBH_ENABLED
{
// Small block heap
size_t SBHCommitted = 0, SBHAllocated = 0;
size_t commitTmp, allocTmp;
#if MEM_SBH_ENABLED
m_PrimarySBH.Usage( commitTmp, allocTmp );
SBHCommitted += commitTmp; SBHAllocated += allocTmp;
#ifdef MEMALLOC_USE_SECONDARY_SBH
m_SecondarySBH.Usage( commitTmp, allocTmp );
SBHCommitted += commitTmp; SBHAllocated += allocTmp;
#endif // MEMALLOC_USE_SECONDARY_SBH
#ifndef MEMALLOC_NO_FALLBACK
m_FallbackSBH.Usage( commitTmp, allocTmp );
SBHCommitted += commitTmp; SBHAllocated += allocTmp;
#endif // MEMALLOC_NO_FALLBACK
#endif // MEM_SBH_ENABLED
static size_t SBHMaxCommitted = 0; SBHMaxCommitted = MAX( SBHMaxCommitted, SBHCommitted );
AddGenericMemoryStat( "SBH_cur", (int)SBHCommitted );
AddGenericMemoryStat( "SBH_max", (int)SBHMaxCommitted );
}
#endif // MEM_SBH_ENABLED
#if defined( USE_DLMALLOC )
#if !defined( MEMALLOC_REGIONS ) && defined( MEMALLOC_SEGMENT_MIXED )
{
// Medium block heap
mallinfo infoMBH = mspace_mallinfo( g_AllocRegions[ 1 ] );
size_t nMBHCurUsed = infoMBH.uordblks;// nMBH_WRONG_MaxUsed = infoMBH.usmblks; // TODO: figure out why dlmalloc mis-reports MBH max usage (it just returns the footprint)
static size_t nMBHMaxUsed = 0; nMBHMaxUsed = MAX( nMBHMaxUsed, nMBHCurUsed );
AddGenericMemoryStat( "MBH_cur", (int)nMBHCurUsed );
AddGenericMemoryStat( "MBH_max", (int)nMBHMaxUsed );
// Large block heap
mallinfo infoLBH = mspace_mallinfo( g_AllocRegions[ 0 ] );
size_t nLBHCurUsed = mspace_footprint( g_AllocRegions[ 0 ] ), nLBHMaxUsed = mspace_max_footprint( g_AllocRegions[ 0 ] ), nLBHArenaSize = infoLBH.arena, nLBHFree = infoLBH.fordblks;
AddGenericMemoryStat( "LBH_cur", (int)nLBHCurUsed );
AddGenericMemoryStat( "LBH_max", (int)nLBHMaxUsed );
// LBH arena used+free (these are non-virtual allocations - there should be none, since we only allocate 256KB+ items in the LBH)
// TODO: I currently see the arena grow to 320KB due to a larger allocation being realloced down... if this gets worse, add an 'ALWAYS use VMM' flag to the mspace.
AddGenericMemoryStat( "LBH_arena", (int)nLBHArenaSize );
AddGenericMemoryStat( "LBH_free", (int)nLBHFree );
}
#else // (!MEMALLOC_REGIONS && MEMALLOC_SEGMENT_MIXED)
{
// Single dlmalloc heap (TODO: per-DLL heap stats, if we resurrect that)
mallinfo info = mspace_mallinfo( g_AllocRegions[ 0 ] );
AddGenericMemoryStat( "mspace_cur", (int)info.uordblks );
AddGenericMemoryStat( "mspace_max", (int)info.usmblks );
AddGenericMemoryStat( "mspace_size", (int)mspace_footprint( g_AllocRegions[ 0 ] ) );
}
#endif // (!MEMALLOC_REGIONS && MEMALLOC_SEGMENT_MIXED)
#endif // USE_DLMALLOC
size_t nMaxPhysMemUsed_Delta;
nMaxPhysMemUsed_Delta = 0;
#ifdef _PS3
{
// System heap (should not exist!)
static malloc_managed_size mms;
(g_pMemOverrideRawCrtFns->pfn_malloc_stats)( &mms );
if ( mms.current_system_size )
AddGenericMemoryStat( "sys_heap", (int)mms.current_system_size );
// Virtual Memory Manager
size_t nReserved = 0, nReservedMax = 0, nCommitted = 0, nCommittedMax = 0;
extern void VirtualMemoryManager_GetStats( size_t &nReserved, size_t &nReservedMax, size_t &nCommitted, size_t &nCommittedMax );
VirtualMemoryManager_GetStats( nReserved, nReservedMax, nCommitted, nCommittedMax );
AddGenericMemoryStat( "VMM_reserved", (int)nReserved );
AddGenericMemoryStat( "VMM_reserved_max", (int)nReservedMax );
AddGenericMemoryStat( "VMM_committed", (int)nCommitted );
AddGenericMemoryStat( "VMM_committed_max", (int)nCommittedMax );
// Estimate memory committed by memory stacks (these account for all VMM allocations other than the SBH/MBH/LBH)
size_t nHeapTotal = 1024*1024*MBYTES_PRIMARY_SBH;
#if defined( USE_DLMALLOC )
for ( int i = 0; i < ARRAYSIZE(g_AllocRegions); i++ )
{
nHeapTotal += mspace_footprint( g_AllocRegions[i] );
}
#endif // USE_DLMALLOC
size_t nMemStackTotal = nCommitted - nHeapTotal;
AddGenericMemoryStat( "MemStacks", (int)nMemStackTotal );
// On PS3, we can more accurately determine 'phys_free_min', since we know nCommittedMax
// (otherwise nPhysFreeMin is only updated intermittently; when this function is called):
nMaxPhysMemUsed_Delta = nCommittedMax - nCommitted;
}
#endif // _PS3
#if defined( _GAMECONSOLE )
// Total/free/min-free physical pages
{
#if defined( _X360 )
MEMORYSTATUS stat;
::GlobalMemoryStatus( &stat );
size_t nPhysTotal = stat.dwTotalPhys, nPhysFree = stat.dwAvailPhys - ExtraDevkitMemory();
#elif defined( _PS3 )
static sys_memory_info stat;
sys_memory_get_user_memory_size( &stat );
size_t nPhysTotal = stat.total_user_memory, nPhysFree = stat.available_user_memory - ExtraDevkitMemory();
#endif // _X360/_PS3
static size_t nPhysFreeMin = nPhysTotal;
nPhysFreeMin = MIN( nPhysFreeMin, ( nPhysFree - nMaxPhysMemUsed_Delta ) );
AddGenericMemoryStat( "phys_total", (int)nPhysTotal );
AddGenericMemoryStat( "phys_free", (int)nPhysFree );
AddGenericMemoryStat( "phys_free_min", (int)nPhysFreeMin );
}
#endif // _GAMECONSOLE
*ppMemoryStats = &g_MemStats[0];
return g_nMemStats;
}
void CStdMemAlloc::CompactHeap()
{
InternalCompact( false );
}
size_t CStdMemAlloc::InternalCompact( bool bSmallBlockOnly )
{
size_t nTotalBytesRecovered = 0;
#if MEM_SBH_ENABLED
if ( !m_CompactMutex.TryLock() )
{
return 0;
}
if ( m_bInCompact )
{
m_CompactMutex.Unlock();
return 0;
}
m_bInCompact = true;
size_t nBytesRecovered = 0;
#ifndef MEMALLOC_NO_FALLBACK
nBytesRecovered = m_FallbackSBH.Compact( false );
nTotalBytesRecovered += nBytesRecovered;
if ( nBytesRecovered && IsGameConsole() )
{
Msg( "Compact freed %d bytes from virtual heap (up to 256k still committed)\n", nBytesRecovered );
}
#endif // MEMALLOC_NO_FALLBACK
nBytesRecovered = m_PrimarySBH.Compact( false );
nTotalBytesRecovered += nBytesRecovered;
#ifdef MEMALLOC_USE_SECONDARY_SBH
nBytesRecovered += m_SecondarySBH.Compact( false );
nTotalBytesRecovered += nBytesRecovered;
#endif
// Skip compacting the main heap if the call requested
//only the small block heaps to be compacted.
if ( !bSmallBlockOnly )
{
nBytesRecovered = compact_internal();
nTotalBytesRecovered += nBytesRecovered;
if ( nBytesRecovered && IsGameConsole() )
{
Msg( "Compact released %d bytes from the mixed block heap\n", nBytesRecovered );
}
}
nBytesRecovered = compact_internal();
if ( nBytesRecovered && IsGameConsole() )
{
Msg( "Compact released %d bytes from the mixed block heap\n", nBytesRecovered );
}
m_bInCompact = false;
m_CompactMutex.Unlock();
#endif // MEM_SBH_ENABLED
return nTotalBytesRecovered;
}
void CStdMemAlloc::CompactIncremental()
{
#if MEM_SBH_ENABLED
if ( !m_CompactMutex.TryLock() )
{
return;
}
if ( m_bInCompact )
{
m_CompactMutex.Unlock();
return;
}
m_bInCompact = true;
#ifndef MEMALLOC_NO_FALLBACK
m_FallbackSBH.Compact( true );
#endif
m_PrimarySBH.Compact( true );
#ifdef MEMALLOC_USE_SECONDARY_SBH
m_SecondarySBH.Compact( true );
#endif
m_bInCompact = false;
m_CompactMutex.Unlock();
#endif // MEM_SBH_ENABLED
}
MemAllocFailHandler_t CStdMemAlloc::SetAllocFailHandler( MemAllocFailHandler_t pfnMemAllocFailHandler )
{
MemAllocFailHandler_t pfnPrevious = m_pfnFailHandler;
m_pfnFailHandler = pfnMemAllocFailHandler;
return pfnPrevious;
}
size_t CStdMemAlloc::DefaultFailHandler( size_t nBytes )
{
if ( IsX360() )
{
#ifdef _X360
ExecuteOnce(
{
char buffer[256];
_snprintf( buffer, sizeof( buffer ), "***** Memory pool overflow, attempted allocation size: %u (not a critical error)\n", nBytes );
XBX_OutputDebugString( buffer );
}
);
#endif // _X360
}
return 0;
}
void CStdMemAlloc::SetStatsExtraInfo( const char *pMapName, const char *pComment )
{
}
void CStdMemAlloc::SetCRTAllocFailed( size_t nSize )
{
m_sMemoryAllocFailed = nSize;
DebuggerBreakIfDebugging();
#if defined( _PS3 ) && defined( _DEBUG )
DebuggerBreak();
#endif // _PS3
char buffer[256];
#ifdef COMPILER_GCC
_snprintf( buffer, sizeof( buffer ), "***** OUT OF MEMORY! attempted allocation size: %u ****\n", nSize );
#else
_snprintf( buffer, sizeof( buffer ), "***** OUT OF MEMORY! attempted allocation size: %u ****\n", nSize );
#endif // COMPILER_GCC
#ifdef _X360
XBX_OutputDebugString( buffer );
if ( !Plat_IsInDebugSession() )
{
XBX_CrashDump( true );
#if defined( _DEMO )
XLaunchNewImage( XLAUNCH_KEYWORD_DEFAULT_APP, 0 );
#else
XLaunchNewImage( "default.xex", 0 );
#endif // _DEMO
}
#elif defined(_WIN32 )
OutputDebugString( buffer );
if ( !Plat_IsInDebugSession() )
{
WriteMiniDump();
abort();
}
#else // _X360/_WIN32/other
printf( "%s\n", buffer );
if ( !Plat_IsInDebugSession() )
{
WriteMiniDump();
#if defined( _PS3 )
DumpStats();
#endif
Plat_ExitProcess( EXIT_FAILURE );
}
#endif // _X360/_WIN32/other
}
size_t CStdMemAlloc::MemoryAllocFailed()
{
return m_sMemoryAllocFailed;
}
#endif // MEM_IMPL_TYPE_STD
#endif // STEAM
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