Inotify 函数
PHP Manual

inotify_queue_len

(PECL inotify >= 0.1.2)

inotify_queue_lenReturn a number upper than zero if there are pending events

说明

int inotify_queue_len ( resource $inotify_instance )

This 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.

参数

inotify_instance

Resource returned by inotify_init()

返回值

Returns a number upper than zero if there are pending events.

参见


Inotify 函数
PHP Manual