In the table below, a
denotes
an asynchronous random access read device object, o
denotes an offset of type boost::uint64_t
,
mb
denotes an object satisfying
mutable buffer sequence
requirements, and h
denotes
an object satisfying read handler
requirements.
Table 1. Buffer-oriented asynchronous random-access read device requirements
operation |
type |
semantics, pre/post-conditions |
---|---|---|
|
|
Returns the |
|
|
Initiates an asynchronous operation to read one or more bytes of
data from the device |