windows::overlapped

windows::overlapped_handle

Typedef for the typical usage of an overlapped handle.

typedef basic_overlapped_handle overlapped_handle;

Types

Name	Description
rebind_executor	Rebinds the handle type to another executor.
executor_type	The type of the executor associated with the object.
lowest_layer_type	An overlapped_handle is always the lowest layer.
native_handle_type	The native representation of a handle.

Member Functions

Name	Description
assign	Assign an existing native handle to the handle.
basic_overlapped_handle [constructor]	Construct an overlapped handle without opening it. — Construct an overlapped handle on an existing native handle. — Move-construct an overlapped handle from another. — Move-construct an overlapped handle from a handle of another executor type.
cancel	Cancel all asynchronous operations associated with the handle.
close	Close the handle.
get_executor	Get the executor associated with the object.
is_open	Determine whether the handle is open.
lowest_layer	Get a reference to the lowest layer. — Get a const reference to the lowest layer.
native_handle	Get the native handle representation.
operator=	Move-assign an overlapped handle from another. — Move-assign an overlapped handle from a handle of another executor type.
release	Release ownership of the underlying native handle.

Protected Member Functions

Name	Description
~basic_overlapped_handle [destructor]	Protected destructor to prevent deletion through this type.

The windows::overlapped_handle class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.

Thread Safety

Distinct objects: Safe.

Shared objects: Unsafe.

Requirements

Header: asio/windows/overlapped_handle.hpp

Convenience header: asio.hpp