swoc::FixedArena< T > Class Template Reference

#include <MemArena.h>

Collaboration diagram for swoc::FixedArena< T >:

Classes
struct	Item
	Rebinding type for instances on the free list. More...

Public Member Functions
	FixedArena (MemArena &arena)
template<typename... Args>
T *	make (Args... args)
void	destroy (T *t)
void	clear ()
	Drop all items in the free list.
MemArena &	arena ()
	Access the wrapped arena directly.

Protected Attributes
Item	_list {nullptr}
	List of dead instances.
MemArena &	_arena
	Memory source.

Detailed Description

template<typename T>
class swoc::FixedArena< T >

Arena of a specific type on top of a MemArena.

Template Parameters

T	Type in the arena.

A pool of unused / free instances of T is kept for reuse. If none are available then a new instance is allocated from the arena.

Definition at line 528 of file MemArena.h.

Constructor & Destructor Documentation

FixedArena()

template<typename T>

swoc::FixedArena< T >::FixedArena ( MemArena & arena )

explicit

Construct a pool.

Parameters

arena

The arena for memory.

Member Function Documentation

destroy()

template<typename T>

void swoc::FixedArena< T >::destroy

(

T *

t

)

Destroy an instance.

Parameters

t	The instance to destroy.

The instance is destructed and then put on the free list for re-use.

make()

template<typename T>

template<typename... Args>

T * swoc::FixedArena< T >::make

(

Args...

args

)

Create a new instance.

Template Parameters

Args	Constructor argument types.

Parameters

args	Constructor arguments.

Returns

A new instance of T.

Member Data Documentation

_arena

template<typename T>

MemArena& swoc::FixedArena< T >::_arena

protected

Memory source.

Definition at line 537 of file MemArena.h.

_list

template<typename T>

Item swoc::FixedArena< T >::_list {nullptr}

protected

List of dead instances.

Definition at line 536 of file MemArena.h.

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

• MemArena.h