(PECL inotify >= 0.1.2)
inotify_queue_len — Return a number upper than zero if there are pending events
$inotify_instance
): intThis function allows to know if inotify_read() will block or not. If a number upper than zero is returned, there are pending events and inotify_read() will not block.
Returns a number upper than zero if there are pending events.