(PHP 4, PHP 5, PHP 7) Create a fifo special file (a named pipe)

(PECL eio >= 0.0.1dev) Change file last access and modification times

(PECL ev >= 0.2.0) Feeds the given revents set into the event loop

(PECL pthreads >= 2.0.0) Stacking public integer

(PECL ev >= 0.2.0) Initiates the stat call

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

(PECL pthreads >= 2.0.0) Create a Mutex final

(PECL pthreads >= 2.0.0) State Detection public

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

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Close shared memory block