#include <BlockWipedAllocator.h>

Classes
struct	Block

struct	LocalCache

struct	Stat

Public Member Functions
void *	alloc ()

	BlockWipedAllocator (std::size_t typeSize, std::size_t blockSize)

	BlockWipedAllocator (BlockWipedAllocator const &rh)

void	clear () const

void	dealloc (void *)

BlockWipedAllocator &	operator= (BlockWipedAllocator const &rh)

void	registerCache (LocalCache *c)

Stat	stat () const

void	wipe () const

Protected Member Functions
BlockWipedAllocator &	me () const

Private Types
typedef std::list< Block >	Blocks

typedef Blocks::const_iterator	const_iterator

typedef Blocks::iterator	iterator

typedef unsigned char *	pointer

Private Member Functions
void	nextBlock (bool advance)

Private Attributes
std::vector< LocalCache * >	localCaches

int	m_alive

Blocks	m_blocks

std::size_t	m_blockSize

iterator	m_current

pointer	m_next

std::size_t	m_typeSize

Detailed Description

Definition at line 17 of file BlockWipedAllocator.h.

Member Typedef Documentation

typedef std::list<Block> BlockWipedAllocator::Blocks

private

Definition at line 85 of file BlockWipedAllocator.h.

typedef Blocks::const_iterator BlockWipedAllocator::const_iterator

private

Definition at line 87 of file BlockWipedAllocator.h.

typedef Blocks::iterator BlockWipedAllocator::iterator

private

Definition at line 86 of file BlockWipedAllocator.h.

typedef unsigned char* BlockWipedAllocator::pointer

private

Definition at line 84 of file BlockWipedAllocator.h.

Constructor & Destructor Documentation

BlockWipedAllocator::BlockWipedAllocator	(	std::size_t	typeSize,
		std::size_t	blockSize
	)

Definition at line 4 of file BlockWipedAllocator.cc.

References wipe().

                                           :
   m_typeSize(typeSize), m_blockSize(blockSize), m_alive(0){
   if (typeSize<32) abort(); // throw std::bad_alloc();
   wipe();
 }

BlockWipedAllocator::BlockWipedAllocator ( BlockWipedAllocator const & rh )

Definition at line 12 of file BlockWipedAllocator.cc.

References wipe().

                                                                        :
   m_typeSize(rh.m_typeSize), m_blockSize(rh.m_blockSize),m_alive(0) {
   wipe();
 }

Member Function Documentation

void * BlockWipedAllocator::alloc ( )

Definition at line 26 of file BlockWipedAllocator.cc.

References createPayload::block, m_alive, BlockWipedAllocator::Block::m_allocated, m_current, BlockWipedAllocator::Block::m_data, m_next, m_typeSize, nextBlock(), and runTheMatrix::ret.

Referenced by BlockWipedAllocated< T >::operator new(), and SizeBlockWipedAllocated< T >::operator new().

                                   {
   m_alive++;
   void * ret = m_next;
   m_next+=m_typeSize;
   Block & block = *m_current;
   ++block.m_allocated;
   if(m_next==(&block.m_data.back())+1)
     nextBlock(true);
   return ret;
 }

void BlockWipedAllocator::clear ( void ) const

Definition at line 41 of file BlockWipedAllocator.cc.

References m_blocks, me(), and wipe().

Referenced by BlockWipedPool::clear(), python.Vispa.Views.WidgetView.WidgetView::closeEvent(), python.Vispa.Views.BoxDecayView.BoxDecayView::closeEvent(), python.Vispa.Share.FindAlgorithm.FindAlgorithm::findUsingFindDialog(), python.Vispa.Views.LineDecayView.LineDecayView::setDataObjects(), python.Vispa.Views.WidgetView.WidgetView::setDataObjects(), python.Vispa.Views.TreeView.TreeView::updateContent(), python.Vispa.Views.TableView.TableView::updateContent(), python.Vispa.Views.BoxDecayView.BoxDecayView::updateContent(), and python.Vispa.Views.PropertyView.PropertyView::updateContent().

                                       {
   me().m_blocks.clear();
   me().wipe();
 }

void BlockWipedAllocator::dealloc ( void * )

Definition at line 37 of file BlockWipedAllocator.cc.

References m_alive.

Referenced by BlockWipedAllocated< T >::operator delete(), and SizeBlockWipedAllocated< T >::operator delete().

                                         {
   m_alive--;
 }

BlockWipedAllocator & BlockWipedAllocator::me ( ) const

protected

Definition at line 54 of file BlockWipedAllocator.cc.

Referenced by clear(), and wipe().

                                                     {
   return const_cast<BlockWipedAllocator&>(*this);
 }

void BlockWipedAllocator::nextBlock ( bool advance )

private

Definition at line 66 of file BlockWipedAllocator.cc.

References m_blocks, m_blockSize, m_current, m_next, and m_typeSize.

Referenced by alloc(), and wipe().

                                                 {
   if (advance) m_current++;
   if (m_current==m_blocks.end()) {
     m_blocks.push_back(Block());
     m_current=m_blocks.end(); --m_current;
   }
   m_current->m_data.resize(m_blockSize*m_typeSize);
   m_current->m_allocated=0;
   m_next = &(m_current->m_data.front());
 }

BlockWipedAllocator & BlockWipedAllocator::operator= ( BlockWipedAllocator const & rh )

Definition at line 17 of file BlockWipedAllocator.cc.

References m_alive, m_blockSize, m_typeSize, and wipe().

                                                                                   {
   m_typeSize=rh.m_typeSize; m_blockSize=rh.m_blockSize;
   m_alive=0;
   wipe();
   return *this;
 }

void BlockWipedAllocator::registerCache ( LocalCache * c )

inline

Definition at line 49 of file BlockWipedAllocator.h.

References localCaches.

                                      {
     localCaches.push_back(c);
   }

BlockWipedAllocator::Stat BlockWipedAllocator::stat ( ) const

Definition at line 58 of file BlockWipedAllocator.cc.

References m_alive, m_blocks, m_blockSize, m_current, m_next, m_typeSize, and asciidump::s.

Referenced by BlockWipedPoolAllocated::stat(), BlockWipedAllocated< T >::stat(), and SizeBlockWipedAllocated< T >::stat().

                                                         {
   Stat s = { m_typeSize, m_blockSize, (*m_current).m_allocated,
          (&*(*m_current).m_data.end()-m_next)/m_typeSize,
          std::distance(const_iterator(m_current),m_blocks.end()),
          m_blocks.size(), m_alive};
   return s;
 }

void BlockWipedAllocator::wipe ( ) const

Definition at line 46 of file BlockWipedAllocator.cc.

References localCaches, m_blocks, m_current, me(), nextBlock(), and BlockWipedAllocator::LocalCache::reset().

Referenced by BlockWipedAllocator(), clear(), operator=(), and BlockWipedPool::wipe().

                                      {
   // reset caches
   std::for_each(localCaches.begin(),localCaches.end(),boost::bind(&LocalCache::reset,_1));
 
   me().m_current=me().m_blocks.begin();
   me().nextBlock(false);
 }