boost::afio::io_req< const void > Struct Template Reference

A convenience bundle of precondition, data and where for reading into a T as specified by its to_asio_buffers() overload. Data MUST stay around until the operation completes. More...

Inheritance diagram for boost::afio::io_req< const void >:

List of all members.

Public Member Functions
	io_req ()
	Default constructor.
	io_req (const io_req &o)
	Copy constructor.
	io_req (io_req &&o) noexcept
	Move constructor.
	io_req (const io_req< void > &o)
	Copy constructor.
	io_req (io_req< void > &&o) noexcept
	Move constructor.
io_req &	operator= (const io_req &o)
	Copy assignment.
io_req &	operator= (io_req &&o) noexcept
	Move assignment.
	io_req (future<> _precondition, const void *v, size_t _length, off_t _where)
	Constructs an instance.
bool	validate () const
	Validates contents for correctness.
Public Attributes
future	precondition
	A precondition containing an open file handle for this operation.
std::vector< asio::const_buffer >	buffers
	A sequence of const Boost.ASIO buffers to write from.
off_t	where
	The offset at which to write.

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Detailed Description

template<>
struct boost::afio::io_req< const void >

A convenience bundle of precondition, data and where for reading into a T as specified by its to_asio_buffers() overload. Data MUST stay around until the operation completes.

Definition at line 3298 of file afio.hpp.

---

Constructor & Destructor Documentation

boost::afio::io_req< const void >::io_req

(

)

Default constructor.

Definition at line 3309 of file afio.hpp.

boost::afio::io_req< const void >::io_req

(

const io_req< const void > &

o

)

Copy constructor.

Definition at line 3311 of file afio.hpp.

boost::afio::io_req< const void >::io_req

(

io_req< const void > &&

o

)

Move constructor.

Definition at line 3313 of file afio.hpp.

boost::afio::io_req< const void >::io_req

(

const io_req< void > &

o

)

Copy constructor.

Definition at line 3315 of file afio.hpp.

boost::afio::io_req< const void >::io_req

(

io_req< void > &&

o

)

Move constructor.

Definition at line 3317 of file afio.hpp.

boost::afio::io_req< const void >::io_req	(	future<>	_precondition,
		const void *	v,
		size_t	_length,
		off_t	_where
	)

Constructs an instance.

Parameters:

_precondition	An optional precondition for this operation
v	A pointer to memory or reference to object into which to read or write
_where	The offset at which to transfer
_length	The number of items to transfer

Definition at line 3323 of file afio.hpp.

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Member Function Documentation

io_req& boost::afio::io_req< const void >::operator=

(

const io_req< const void > &

o

)

Copy assignment.

Definition at line 3319 of file afio.hpp.

io_req& boost::afio::io_req< const void >::operator=

(

io_req< const void > &&

o

)

Move assignment.

Definition at line 3321 of file afio.hpp.

bool boost::afio::detail::io_req_impl< true >::validate

(

)

const [inherited]

Validates contents for correctness.

Returns:

True if contents are correct

Definition at line 3172 of file afio.hpp.

---

Member Data Documentation

future boost::afio::io_req< const void >::precondition

A precondition containing an open file handle for this operation.

Reimplemented from boost::afio::detail::io_req_impl< true >.

Definition at line 3302 of file afio.hpp.

std::vector<asio::const_buffer> boost::afio::io_req< const void >::buffers

A sequence of const Boost.ASIO buffers to write from.

Reimplemented from boost::afio::detail::io_req_impl< true >.

Definition at line 3304 of file afio.hpp.

off_t boost::afio::io_req< const void >::where

The offset at which to write.

Reimplemented from boost::afio::detail::io_req_impl< true >.

Definition at line 3306 of file afio.hpp.