(PECL eio >= 0.0.1dev) Set maximum parallel threads

(PECL libevent >= 0.0.1) Enable a buffered event

(PHP 4, PHP 5, PHP 7) Determine terminal device name

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

(PECL eio >= 0.0.1dev) Close file resource

(PECL ev >= 0.2.0) Constructs the EvFork watcher object

(PECL libevent >= 0.0.1) Destroy buffered event

(PECL ev >= 0.2.0) Creates EvStat watcher object associated with the current event loop instance

(PECL ev >= 0.2.0) Create EvIo watcher object associated with the current event loop instance

(PECL libevent >= 0.0.1) Create and initialize new event base