Function ocl_core::set_event_callback

pub unsafe fn set_event_callback<'e, E: ClEventPtrRef<'e>>(
    event: &'e E, 
    callback_trigger: CommandExecutionStatus, 
    callback_receiver: Option<EventCallbackFn>, 
    user_data: *mut c_void
) -> OclResult<()>

Sets a callback function which is called as soon as the callback_trigger status is reached.