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tinyxml2::MemPoolT< SIZE > Class Template Reference

#include <tinyxml2.h>

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Classes

struct  Block
 
union  Chunk
 

Public Types

enum  { COUNT = (4*1024)/SIZE }
 

Public Member Functions

 MemPoolT ()
 
 ~MemPoolT ()
 
void Clear ()
 
virtual int ItemSize () const
 
int CurrentAllocs () const
 
virtual void * Alloc ()
 
virtual void Free (void *mem)
 
void Trace (const char *name)
 
void SetTracked ()
 
int Untracked () const
 
- Public Member Functions inherited from tinyxml2::MemPool
 MemPool ()
 
virtual ~MemPool ()
 

Private Member Functions

 MemPoolT (const MemPoolT &)
 
void operator= (const MemPoolT &)
 

Private Attributes

DynArray< Block *, 10 > _blockPtrs
 
Chunk * _root
 
int _currentAllocs
 
int _nAllocs
 
int _maxAllocs
 
int _nUntracked
 

Detailed Description

template<int SIZE>
class tinyxml2::MemPoolT< SIZE >

Definition at line 315 of file tinyxml2.h.

Member Enumeration Documentation

◆ anonymous enum

template<int SIZE>
anonymous enum
Enumerator
COUNT 

Definition at line 401 of file tinyxml2.h.

401 { COUNT = (4*1024)/SIZE }; // Some compilers do not accept to use COUNT in private part if COUNT is private

Constructor & Destructor Documentation

◆ MemPoolT() [1/2]

template<int SIZE>
tinyxml2::MemPoolT< SIZE >::MemPoolT ( )
inline

Definition at line 318 of file tinyxml2.h.

318 : _root(0), _currentAllocs(0), _nAllocs(0), _maxAllocs(0), _nUntracked(0) {}

◆ ~MemPoolT()

template<int SIZE>
tinyxml2::MemPoolT< SIZE >::~MemPoolT ( )
inline

Definition at line 319 of file tinyxml2.h.

319  {
320  Clear();
321  }

◆ MemPoolT() [2/2]

template<int SIZE>
tinyxml2::MemPoolT< SIZE >::MemPoolT ( const MemPoolT< SIZE > &  )
private

Member Function Documentation

◆ Alloc()

template<int SIZE>
virtual void* tinyxml2::MemPoolT< SIZE >::Alloc ( )
inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 343 of file tinyxml2.h.

343  {
344  if ( !_root ) {
345  // Need a new block.
346  Block* block = new Block();
347  _blockPtrs.Push( block );
348 
349  for( int i=0; i<COUNT-1; ++i ) {
350  block->chunk[i].next = &block->chunk[i+1];
351  }
352  block->chunk[COUNT-1].next = 0;
353  _root = block->chunk;
354  }
355  void* result = _root;
356  _root = _root->next;
357 
358  ++_currentAllocs;
359  if ( _currentAllocs > _maxAllocs ) {
360  _maxAllocs = _currentAllocs;
361  }
362  _nAllocs++;
363  _nUntracked++;
364  return result;
365  }
block
static unsigned int block
Definition: xmlmemory.c:118
tinyxml2::MemPoolT::_blockPtrs
DynArray< Block *, 10 > _blockPtrs
Definition: tinyxml2.h:414
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
_root
Definition: btrfs_drv.h:420
result
GLuint64EXT * result
Definition: glext.h:11304

◆ Clear()

template<int SIZE>
void tinyxml2::MemPoolT< SIZE >::Clear ( )
inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 323 of file tinyxml2.h.

323  {
324  // Delete the blocks.
325  while( !_blockPtrs.Empty()) {
326  Block* b = _blockPtrs.Pop();
327  delete b;
328  }
329  _root = 0;
330  _currentAllocs = 0;
331  _nAllocs = 0;
332  _maxAllocs = 0;
333  _nUntracked = 0;
334  }
tinyxml2::MemPoolT::_blockPtrs
DynArray< Block *, 10 > _blockPtrs
Definition: tinyxml2.h:414
b
#define b
Definition: ke_i.h:79
b
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
_root
Definition: btrfs_drv.h:420

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::~MemPoolT().

◆ CurrentAllocs()

template<int SIZE>
int tinyxml2::MemPoolT< SIZE >::CurrentAllocs ( ) const
inline

Definition at line 339 of file tinyxml2.h.

339  {
340  return _currentAllocs;
341  }

◆ Free()

template<int SIZE>
virtual void tinyxml2::MemPoolT< SIZE >::Free ( void *  mem)
inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 367 of file tinyxml2.h.

367  {
368  if ( !mem ) {
369  return;
370  }
371  --_currentAllocs;
372  Chunk* chunk = static_cast<Chunk*>( mem );
373 #ifdef DEBUG
374  memset( chunk, 0xfe, sizeof(Chunk) );
375 #endif
376  chunk->next = _root;
377  _root = chunk;
378  }
_root
Definition: btrfs_drv.h:420
mem
Definition: mem.c:156
memset
#define memset(x, y, z)
Definition: compat.h:39

◆ ItemSize()

template<int SIZE>
virtual int tinyxml2::MemPoolT< SIZE >::ItemSize ( ) const
inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 336 of file tinyxml2.h.

336  {
337  return SIZE;
338  }
SIZE
#define SIZE
Definition: consume.c:5

◆ operator=()

template<int SIZE>
void tinyxml2::MemPoolT< SIZE >::operator= ( const MemPoolT< SIZE > &  )
private

◆ SetTracked()

template<int SIZE>
void tinyxml2::MemPoolT< SIZE >::SetTracked ( )
inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 384 of file tinyxml2.h.

384  {
385  _nUntracked--;
386  }

◆ Trace()

template<int SIZE>
void tinyxml2::MemPoolT< SIZE >::Trace ( const char *  name)
inline

Definition at line 379 of file tinyxml2.h.

379  {
380  printf( "Mempool %s watermark=%d [%dk] current=%d size=%d nAlloc=%d blocks=%d\n",
381  name, _maxAllocs, _maxAllocs*SIZE/1024, _currentAllocs, SIZE, _nAllocs, _blockPtrs.Size() );
382  }
tinyxml2::MemPoolT::_blockPtrs
DynArray< Block *, 10 > _blockPtrs
Definition: tinyxml2.h:414
name
Definition: name.c:36
printf
#define printf
Definition: config.h:203

◆ Untracked()

template<int SIZE>
int tinyxml2::MemPoolT< SIZE >::Untracked ( ) const
inline

Definition at line 388 of file tinyxml2.h.

388  {
389  return _nUntracked;
390  }

Member Data Documentation

◆ _blockPtrs

template<int SIZE>
DynArray< Block*, 10 > tinyxml2::MemPoolT< SIZE >::_blockPtrs
private

Definition at line 414 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

◆ _currentAllocs

template<int SIZE>
int tinyxml2::MemPoolT< SIZE >::_currentAllocs
private

Definition at line 417 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::CurrentAllocs(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Free(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

◆ _maxAllocs

template<int SIZE>
int tinyxml2::MemPoolT< SIZE >::_maxAllocs
private

Definition at line 419 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

◆ _nAllocs

template<int SIZE>
int tinyxml2::MemPoolT< SIZE >::_nAllocs
private

Definition at line 418 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

◆ _nUntracked

template<int SIZE>
int tinyxml2::MemPoolT< SIZE >::_nUntracked
private

Definition at line 420 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::SetTracked(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Untracked().

◆ _root

template<int SIZE>
Chunk* tinyxml2::MemPoolT< SIZE >::_root
private

Definition at line 415 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Free().

The documentation for this class was generated from the following file: