posix::basic_descriptor::basic_descriptor (2 of 5 overloads)

Construct a descriptor without opening it.

template<
    typename ExecutionContext>
basic_descriptor(
    ExecutionContext & context,
    typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);

This constructor creates a descriptor without opening it.

Parameters

context: An execution context which provides the I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor.