wait_event_interruptible
wait_event_interruptible(linux_var_waitq, cond)
if (wait_event_interruptible(
if (wait_event_interruptible(ev_file->poll_wait,
if (wait_event_interruptible(ioerr_waitq, (atomic_read(&ioerr_queue_count)))) {
if (wait_event_interruptible(pool->force_wait,
if (wait_event_interruptible(file->poll_wait,
if (wait_event_interruptible(file->poll_wait,
if (wait_event_interruptible(file->recv_wait,
if (wait_event_interruptible(ev_queue->poll_wait,