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.
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Public Member Functions |
| | io_req () |
| | Default constructor.
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| | io_req (const io_req &o) |
| | Copy constructor.
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| | io_req (io_req &&o) noexcept |
| | Move constructor.
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| io_req & | operator= (const io_req &o) |
| | Copy assignment.
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| io_req & | operator= (io_req &&o) noexcept |
| | Move assignment.
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| | io_req (future<> _precondition, T *v, size_t _length, off_t _where) |
| | Constructs an instance.
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| template<class U > |
| | io_req (future<> _precondition, U &v, off_t _where) |
| | Constructs an instance.
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| template<class U , size_t N> |
| | io_req (future<> _precondition, U(&v)[N], off_t _where) |
| | Constructs an instance.
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| bool | validate () const |
| | Validates contents for correctness.
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Public Attributes |
| future | precondition |
| | A precondition containing an open file handle for this operation.
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| std::vector< asio::mutable_buffer > | buffers |
| | A sequence of mutable Boost.ASIO buffers to read into.
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| off_t | where |
| | The offset from which to read.
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template<class T>
struct boost::afio::io_req< T >
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.
- Template Parameters:
-
| class T | Any readable (if const) or writable (if non-const) type T as specified by its to_asio_buffers() overload. |
Definition at line 3203 of file afio.hpp.
