IOUSBLowLatencyIsocCompletionAction

objc2_io_kit

Type Alias IOUSBLowLatencyIsocCompletionAction 

Source 
pub type IOUSBLowLatencyIsocCompletionAction = Option<unsafe extern "C-unwind" fn(*mut c_void, *mut c_void, IOReturn, *mut IOUSBLowLatencyIsocFrame)>;
Available on crate features USB and usb only.
Expand description

Function called when Low Latency Isochronous USB I/O completes.

Parameter target: The target specified in the IOUSBLowLatencyIsocCompletion struct.

Parameter parameter: The parameter specified in the IOUSBLowLatencyIsocCompletion struct.

Parameter status: Completion status.

Parameter pFrames: Pointer to the low latency frame list containing the status for each frame transferred.

See also Apple’s documentation

Aliased Type§

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

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.