Function cpp_wait_queue_base_block_etc_preamble 

pub unsafe extern "C" fn cpp_wait_queue_base_block_etc_preamble(
    wait_queue: *mut WaitQueueBase,
    current_thread: *mut Thread,
    deadline: *const Deadline,
    signal_mask: u32,
    reason: ResourceOwnership,
    interruptible: Interruptible,
) -> zx_status_t