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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/ncbimempool_8cpp_source.html below:

NCBI C++ ToolKit: src/corelib/ncbimempool.cpp Source File

42 #define NCBI_USE_ERRCODE_X Corelib_Object 55 #if defined(_DEBUG) && defined (DEBUG_MEMORY_POOL) 60 static struct

SPrinter

64 if

( sx_max_counter ) {

65 ERR_POST_X

(9,

"Max memory chunks: "

<< sx_max_counter);

66 ERR_POST_X

(10,

"Final memory chunks: "

<< sx_chunks_counter.

Get

());

75 if

(

value

> sx_max_counter ) {

76

sx_max_counter =

value

;

82

sx_chunks_counter.

Add

(-1);

87 # define RegisterMemoryChunk(size) 88 # define DeregisterMemoryChunk(size) 92 # define ObjFatal Fatal 94 # define ObjFatal Critical 139 const SHeader

* header =

reinterpret_cast<const SHeader

>

(ptr)-1;

144 "Bad chunk header magic: already freed"

);

148 "Bad chunk header magic"

);

154 "Object is beyond chunk memory"

);

196 char

* ptr =

reinterpret_cast<char

>

(header + 1);

197 char

* end = ptr +

size

;

240 if

( malloc_threshold == 0 ) {

244 if

( malloc_threshold < min_threshold ) {

245

malloc_threshold = min_threshold;

248 if

( malloc_threshold > max_threshold ) {

249

malloc_threshold = max_threshold;

260 for

(

int i

= 0;

< 2; ++

) {

271 "double fault in chunk allocator"

);

294 "cannot determine the chunk, memory will not be released"

);

static CObjectMemoryPoolChunk * GetChunk(const void *ptr)

CObjectMemoryPoolChunk(const CObjectMemoryPoolChunk &)

void * Allocate(size_t size)

void operator=(const CObjectMemoryPoolChunk &)

~CObjectMemoryPoolChunk(void)

CObjectMemoryPoolChunk(size_t size)

void IncrementObjectCount(void)

void DecrementObjectCount(void)

static CObjectMemoryPoolChunk * CreateChunk(size_t size)

static const int chunk_size

TNCBIAtomicValue TValue

Alias TValue for TNCBIAtomicValue.

TValue Add(int delta) THROWS_NONE

Atomically add value (=delta), and return new counter value.

TValue Get(void) const THROWS_NONE

Get atomic counter value.

#define ERR_POST_X_ONCE(err_subcode, message)

Error posting only once during program execution with default error code and given error subcode.

#define ERR_POST_X(err_subcode, message)

Error posting with default error code and given error subcode.

void Critical(CExceptionArgs_Base &args)

void * Allocate(size_t size)

Allocate memory block.

friend class CObjectMemoryPool

virtual void DoDeleteThisObject(void)

Mark this object as allocated in heap â object can be deleted.

void AddReference(void) const

Add reference to object.

void Reset(void)

Reset reference object.

CRef< CObjectMemoryPoolChunk > m_CurrentChunk

void RemoveReference(void) const

Remove reference to object.

static void Delete(const CObject *object)

Check if object is allocated from some memory pool, and delete it correspondingly.

void SetChunkSize(size_t chunk_size)

Change chunks' size.

~CObjectMemoryPool(void)

destructor

void SetMallocThreshold(size_t malloc_threshold)

Change threshold for direct allocation from system heap.

CObject(void)

Constructor.

void Deallocate(void *ptr)

Deallocate memory block.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

Definition of all error codes used in corelib (xncbi.lib).

const struct ncbi::grid::netcache::search::fields::SIZE size

const GenericPointer< typename T::ValueType > T2 value

#define DeregisterMemoryChunk(size)

static const size_t kMinThresholdRatio

static const size_t kDefaultChunkSize

static const size_t kMinThreshold

#define RegisterMemoryChunk(size)

static const size_t kDefaultThresholdRatio

static const size_t kMinChunkSize

Memory pool for fast allocation of memory for localized set of CObjects, e.g.

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