In This Package:

GaudiUtils::AllocatorPool Class Reference

Allocator pool. More...

#include <GaudiKernel/AllocatorPool.h>

Collaboration diagram for GaudiUtils::AllocatorPool:

[legend]List of all members.

Public Member Functions
	AllocatorPool (unsigned int n=0)
	Create a pool of elements of size n.
	~AllocatorPool ()
	Destructor. Return storage to the free store.
	AllocatorPool (const AllocatorPool &right)
	Copy constructor.
void *	Alloc ()
	Allocate one element.
void	Free (void *b)
	Return an element back to the pool.
unsigned int	Size () const
	Return storage size.
void	Reset ()
	Return storage to the free store.
Private Member Functions
AllocatorPool &	operator= (const AllocatorPool &right)
	Private equality operator.
void	Grow ()
	Make pool larger.
Private Attributes
const unsigned int	esize
const unsigned int	csize
PoolChunk *	chunks
PoolLink *	head
int	nchunks
Classes
class	PoolChunk
struct	PoolLink

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Detailed Description

Allocator pool.

Class is imported from Geant4 project

Date:

2006-02-14

Definition at line 63 of file AllocatorPool.h.

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Constructor & Destructor Documentation

GaudiUtils::AllocatorPool::AllocatorPool

(

unsigned int

n = 0

)

[explicit]

Create a pool of elements of size n.

GaudiUtils::AllocatorPool::~AllocatorPool

(

)

Destructor. Return storage to the free store.

GaudiUtils::AllocatorPool::AllocatorPool

(

const AllocatorPool &

right

)

Copy constructor.

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Member Function Documentation

void * GaudiUtils::AllocatorPool::Alloc

(

)

[inline]

Allocate one element.

Definition at line 125 of file AllocatorPool.h.

{
  if ( head==0 ) { Grow(); }
  PoolLink* p = head;  // return first element
  head = p->next;
  return p;
}

void GaudiUtils::AllocatorPool::Free

(

void *

b

)

[inline]

Return an element back to the pool.

Definition at line 138 of file AllocatorPool.h.

{
  PoolLink* p = static_cast<PoolLink*>(b);
  p->next = head;        // put b back as first element
  head = p;
}

unsigned int GaudiUtils::AllocatorPool::Size

(

)

const [inline]

Return storage size.

Definition at line 150 of file AllocatorPool.h.

{
  return nchunks*csize;
}

void GaudiUtils::AllocatorPool::Reset

(

)

Return storage to the free store.

AllocatorPool& GaudiUtils::AllocatorPool::operator=

(

const AllocatorPool &

right

)

[private]

Private equality operator.

void GaudiUtils::AllocatorPool::Grow

(

)

[private]

Make pool larger.

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Member Data Documentation

const unsigned int GaudiUtils::AllocatorPool::esize [private]

Definition at line 109 of file AllocatorPool.h.

const unsigned int GaudiUtils::AllocatorPool::csize [private]

Definition at line 110 of file AllocatorPool.h.

PoolChunk* GaudiUtils::AllocatorPool::chunks [private]

Definition at line 111 of file AllocatorPool.h.

PoolLink* GaudiUtils::AllocatorPool::head [private]

Definition at line 112 of file AllocatorPool.h.

int GaudiUtils::AllocatorPool::nchunks [private]

Definition at line 113 of file AllocatorPool.h.

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

• /home/dayabay/installs/trunk_2011_04_11_opt/NuWa-trunk/gaudi/GaudiKernel/GaudiKernel/AllocatorPool.h

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