IOHIDCompletionAction

Type Alias IOHIDCompletionAction 

Source
pub type IOHIDCompletionAction = Option<unsafe extern "C-unwind" fn(*mut c_void, *mut c_void, IOReturn, u32)>;
Available on crate feature hid only.
Expand description

Function called when set/get report completes

Parameter target: The target specified in the IOHIDCompletion struct.

Parameter parameter: The parameter specified in the IOHIDCompletion struct.

Parameter status: Completion status

See also Apple’s documentation

Aliased Type§

pub enum IOHIDCompletionAction {
    None,
    Some(unsafe extern "C-unwind" fn(*mut c_void, *mut c_void, i32, u32)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C-unwind" fn(*mut c_void, *mut c_void, i32, u32))

Some value of type T.