G4AllocatorPool Class Reference

#include <G4AllocatorPool.hh>

Public Member Functions
	G4AllocatorPool (unsigned int n=0)
	~G4AllocatorPool ()
void *	Alloc ()
void	Free (void *b)
unsigned int	Size () const
void	Reset ()
int	GetNoPages () const
unsigned int	GetPageSize () const
void	GrowPageSize (unsigned int factor)

Detailed Description

Definition at line 50 of file G4AllocatorPool.hh.

Constructor & Destructor Documentation

G4AllocatorPool()

G4AllocatorPool::G4AllocatorPool ( unsigned int  n = 0 )

explicit

Definition at line 44 of file G4AllocatorPool.cc.

  : esize(sz<sizeof(G4PoolLink) ? sizeof(G4PoolLink) : sz),
    csize(sz<1024/2-16 ? 1024-16 : sz*10-16),
    chunks(0), head(0), nchunks(0)
{
}

~G4AllocatorPool()

G4AllocatorPool::~G4AllocatorPool

(

)

Definition at line 79 of file G4AllocatorPool.cc.

{
  Reset();
}

Member Function Documentation

Alloc()

void * G4AllocatorPool::Alloc ( )

inline

Definition at line 119 of file G4AllocatorPool.hh.

{
  if (head==0) { Grow(); }
  G4PoolLink* p = head;  // return first element
  head = p->next;
  return p;
}

Free()

void G4AllocatorPool::Free ( void *  b )

inline

Definition at line 132 of file G4AllocatorPool.hh.

{
  G4PoolLink* p = static_cast<G4PoolLink*>(b);
  p->next = head;        // put b back as first element
  head = p;
}

GetNoPages()

int G4AllocatorPool::GetNoPages ( ) const

inline

Definition at line 154 of file G4AllocatorPool.hh.

{
  return nchunks;
}

GetPageSize()

unsigned int G4AllocatorPool::GetPageSize ( ) const

inline

Definition at line 164 of file G4AllocatorPool.hh.

{
  return csize;
}

GrowPageSize()

void G4AllocatorPool::GrowPageSize ( unsigned int  factor )

inline

Definition at line 174 of file G4AllocatorPool.hh.

{
  csize = (sz) ? sz*csize : csize; 
}

Reset()

void G4AllocatorPool::Reset

(

)

Definition at line 88 of file G4AllocatorPool.cc.

{
  // Free all chunks
  //
  G4PoolChunk* n = chunks;
  G4PoolChunk* p = 0;
  while (n)
  {
    p = n;
    n = n->next;
    delete p;
  }
  head = 0;
  chunks = 0;
  nchunks = 0;
}

Referenced by ~G4AllocatorPool().

Size()

unsigned int G4AllocatorPool::Size ( ) const

inline

Definition at line 144 of file G4AllocatorPool.hh.

{
  return nchunks*csize;
}

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

• G4AllocatorPool.hh
• G4AllocatorPool.cc