G4AllocatorPool Class Reference

#include <G4AllocatorPool.hh>

Public Member Functions
	G4AllocatorPool (unsigned int n=0)
	~G4AllocatorPool ()
	G4AllocatorPool (const G4AllocatorPool &right)=default
G4AllocatorPool &	operator= (const G4AllocatorPool &right)
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 44 of file G4AllocatorPool.hh.

Constructor & Destructor Documentation

G4AllocatorPool() [1/2]

G4AllocatorPool::G4AllocatorPool ( unsigned int n = 0 )

explicit

Definition at line 37 of file G4AllocatorPool.cc.

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

~G4AllocatorPool()

G4AllocatorPool::~G4AllocatorPool

(

)

Definition at line 62 of file G4AllocatorPool.cc.

{ Reset(); }

G4AllocatorPool() [2/2]

G4AllocatorPool::G4AllocatorPool ( const G4AllocatorPool & right )

default

Member Function Documentation

Alloc()

void * G4AllocatorPool::Alloc ( )

inline

Definition at line 114 of file G4AllocatorPool.hh.

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

Free()

void G4AllocatorPool::Free ( void * b )

inline

Definition at line 129 of file G4AllocatorPool.hh.

{
  auto* 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 146 of file G4AllocatorPool.hh.

{ return nchunks; }

GetPageSize()

unsigned int G4AllocatorPool::GetPageSize ( ) const

inline

Definition at line 152 of file G4AllocatorPool.hh.

{ return csize; }

GrowPageSize()

void G4AllocatorPool::GrowPageSize ( unsigned int factor )

inline

Definition at line 158 of file G4AllocatorPool.hh.

{
  csize = (sz) != 0u ? sz * csize : csize;
}

operator=()

G4AllocatorPool & G4AllocatorPool::operator=

(

const G4AllocatorPool &

right

)

Definition at line 46 of file G4AllocatorPool.cc.

{
  if(&right == this)
  {
    return *this;
  }
  chunks  = right.chunks;
  head    = right.head;
  nchunks = right.nchunks;
  return *this;
}

Reset()

void G4AllocatorPool::Reset

(

)

Definition at line 68 of file G4AllocatorPool.cc.

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

Referenced by ~G4AllocatorPool().

Size()

unsigned int G4AllocatorPool::Size ( ) const

inline

Definition at line 140 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