Function CFMessagePortCreateRunLoopSource 

pub extern "C-unwind" fn CFMessagePortCreateRunLoopSource(
    allocator: Option<&CFAllocator>,
    local: Option<&CFMessagePort>,
    order: CFIndex,
) -> Option<CFRetained<CFRunLoopSource>>

👎Deprecated: renamed to CFMessagePort::new_run_loop_source

Available on crate features CFMessagePort and CFRunLoop only.