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

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

asio::system_error: Thrown on failure.