(PECL pthreads >= 2.0.0) Execution public

(PHP 4, PHP 5, PHP 7) Return the effective group ID of the current process

(PECL pthreads >= 2.0.0) Synchronization public

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

(PECL ev >= 0.2.0) Returns the values most recently detected by Ev

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

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

(PECL sync >= 1.0.0) Releases a write lock

(PECL libevent >= 0.0.2) Prepare a timer event

(PHP 4, PHP 5, PHP 7) Creates or open a shared memory segment