(PECL ev >= 0.2.0) Begin checking for events and calling callbacks for the default loop

(PECL ev >= 0.2.0) Initiates the stat call

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Retrieve the error number set by the last posix function that failed

(PECL pthreads >= 2.0.0) Create a Mutex final

(PECL eio >= 0.0.1dev) Transfer data between file descriptors

(PECL ev >= 0.2.0) Configures the watcher

(PECL sync >= 1.0.0) Constructs a new SyncMutex object

(PECL eio >= 0.0.1dev) Get file status resource

(PECL eio >= 0.0.1dev) Change file/direcrory permissions.

(PECL eio >= 0.0.1dev) Get file status resource