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< void >:

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 &	operator= (const io_req &o)
	Copy assignment.
io_req &	operator= (io_req &&o) noexcept
	Move assignment.
	io_req (future<> _precondition, 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::mutable_buffer >	buffers
	A sequence of mutable Boost.ASIO buffers to read into.
off_t	where
	The offset from which to read.

Detailed Description

template<>
struct boost::afio::io_req< 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 3271 of file afio.hpp.

Constructor & Destructor Documentation

boost::afio::io_req< void >::io_req ( )

Default constructor.

Definition at line 3282 of file afio.hpp.

boost::afio::io_req< void >::io_req ( const io_req< void > & o )

Copy constructor.

Definition at line 3284 of file afio.hpp.

boost::afio::io_req< void >::io_req ( io_req< void > && o )

Move constructor.

Definition at line 3286 of file afio.hpp.

boost::afio::io_req< void >::io_req	(	future<>	_precondition,
		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 3292 of file afio.hpp.