pw::allocator::FallbackAllocator Class Reference

#include <fallback_allocator.h>

Public Member Functions
	FallbackAllocator (Allocator &primary, Allocator &secondary)
Public Member Functions inherited from pw::Allocator
void *	Allocate (Layout layout)
template<typename T , int &... ExplicitGuard, typename... Args>
T *	New (Args &&... args)
template<typename T , int &... ExplicitGuard, typename... Args>
UniquePtr< T >	MakeUnique (Args &&... args)
bool	Resize (void *ptr, size_t new_size)
bool	Resize (void *ptr, Layout layout, size_t new_size)
void *	Reallocate (void *ptr, Layout new_layout)
void *	Reallocate (void *ptr, Layout old_layout, size_t new_size)
allocator::AsPmrAllocator	as_pmr ()
Public Member Functions inherited from pw::Deallocator
const Capabilities &	capabilities () const
bool	HasCapability (Capability capability) const
	Returns whether a given capabilityis enabled for this object.
void	Deallocate (void *ptr)
void	Deallocate (void *ptr, Layout layout)
template<typename T >
void	Delete (T *ptr)
StatusWithSize	GetCapacity () const
bool	IsEqual (const Deallocator &other) const

Additional Inherited Members
Public Types inherited from pw::Deallocator
using	Capabilities = allocator::Capabilities
using	Capability = allocator::Capability
using	Layout = allocator::Layout
Protected Member Functions inherited from pw::Allocator
constexpr	Allocator ()=default
	TODO(b/326509341): Remove when downstream consumers migrate.
constexpr	Allocator (const Capabilities &capabilities)
Protected Member Functions inherited from pw::Deallocator
constexpr	Deallocator ()=default
	TODO(b/326509341): Remove when downstream consumers migrate.
constexpr	Deallocator (const Capabilities &capabilities)
template<typename T >
UniquePtr< T >	WrapUnique (T *ptr)

Detailed Description

This class simply dispatches between a primary and secondary allocator. Any attempt to allocate memory will first be handled by the primary allocator. If it cannot allocate memory, e.g. because it is out of memory, the secondary alloator will try to allocate memory instead.

Constructor & Destructor Documentation

FallbackAllocator()

pw::allocator::FallbackAllocator::FallbackAllocator	(	Allocator &	primary,
		Allocator &	secondary
	)

Constructor.

Parameters

[in]	primary	Allocator tried first. Must implement Query.
[in]	secondary	Allocator tried if primary fails a request.

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

• /b/s/w/ir/x/w/co/pw_allocator/public/pw_allocator/fallback_allocator.h