pmem::obj::standard_alloc_policy< void > Class Reference

Void specialization of the standard allocation policy. More...

#include <libpmemobj++/allocator.hpp>

Classes
struct	rebind
	Rebind to a different type. More...

Public Types
using	value_type = void
using	pointer = persistent_ptr< value_type >
using	const_pointer = persistent_ptr< const value_type >
using	reference = value_type
using	const_reference = const value_type
using	size_type = std::size_t
using	bool_type = bool

Public Member Functions
	standard_alloc_policy ()=default
	Defaulted constructor.
	~standard_alloc_policy ()=default
	Defaulted destructor.
	standard_alloc_policy (standard_alloc_policy const &)
	Explicit copy constructor.
template<typename U >
	standard_alloc_policy (standard_alloc_policy< U > const &)
	Type converting constructor.
pointer	allocate (size_type cnt, const_pointer=0)
	Allocate storage for cnt bytes. More...
void	deallocate (pointer p, size_type=0)
	Deallocates storage pointed to p, which must be a value returned by a previous call to allocate that has not been invalidated by an intervening call to deallocate. More...
size_type	max_size () const
	The largest value that can meaningfully be passed to allocate(). More...

Detailed Description

Void specialization of the standard allocation policy.

Member Function Documentation

allocate()

pointer pmem::obj::standard_alloc_policy< void >::allocate ( size_type  cnt, const_pointer  = 0  )

inline

Allocate storage for cnt bytes.

Assumes sizeof(void) = 1.

Parameters

[in]

cnt

the number of bytes to be allocated.

Exceptions

transaction_scope_error	if called outside of an active transaction.
transaction_out_of_memory	if there is no free memory of requested size.
transaction_alloc_error	on transactional allocation failure.

deallocate()

void pmem::obj::standard_alloc_policy< void >::deallocate ( pointer  p, size_type  = 0  )

inline

Deallocates storage pointed to p, which must be a value returned by a previous call to allocate that has not been invalidated by an intervening call to deallocate.

Parameters

[in]

p

pointer to the memory to be deallocated.

Exceptions

transaction_scope_error	if called outside of an active transaction.
transaction_free_error	on transactional free failure.

max_size()

size_type pmem::obj::standard_alloc_policy< void >::max_size ( ) const

inline

The largest value that can meaningfully be passed to allocate().

Returns

largest value that can be passed to allocate.

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

• libpmemobj++/allocator.hpp