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posix::basic_descriptor::basic_descriptor (4 of 5 overloads)

Construct a descriptor on an existing native descriptor.

template<
    typename ExecutionContext>
basic_descriptor(
    ExecutionContext & context,
    const native_handle_type & native_descriptor,
    typename constraint< is_convertible< ExecutionContext &, execution_context & >::value >::type  = 0);

This constructor creates a descriptor object to hold an existing native descriptor.

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.

native_descriptor

A native descriptor.

Exceptions

boost::system::system_error

Thrown on failure.


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