(PECL eio >= 0.0.1dev) Get file system statistics

(PECL eio >= 0.0.1dev) Execute custom request like any other eio_* call.

(PECL ev >= 0.2.0) Configures the watcher

(PHP 4, PHP 5, PHP 7) Get the current sid of the process

(PECL ev >= 0.2.0) Returns an integer describing the backend used by libev.

(PECL libevent >= 0.0.1) Enable a buffered event

(PECL eio >= 0.0.1dev) Reads through a whole directory

(PECL ev >= 0.2.0) Sets new callback for the watcher

(PECL eio >= 0.0.1dev) Perform file readahead into page cache

(PECL libevent >= 0.0.1) Destroy buffered event