Return a number upper than zero if there are pending events

# inotify_queue_len

(PECL inotify >= 0.1.2)

inotify_queue_len — Return a number upper than zero if there are pending events

### Description

inotify_queue_len(resource `$inotify_instance`): int

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.

### Parameters

`inotify_instance`
  Resource returned by inotify_init()

### Return Values

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

### See Also

- inotify_init() - Initialize an inotify instance
- stream_select() - Runs the equivalent of the select() system call on the given arrays of streams with a timeout specified by seconds and microseconds
- stream_set_blocking() - Set blocking/non-blocking mode on a stream

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