(PECL eio >= 0.0.1dev) Duplicate a file descriptor

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Set an alarm clock for delivery of a signal

(PECL sync >= 1.0.0) Decreases the count of the semaphore or waits

(PHP 4, PHP 5, PHP 7) Pathname of current directory

(PECL pthreads >= 2.0.9) Creation public Threaded

(PHP 5, PHP 7) Get information about a process opened by

(PHP 4, PHP 5, PHP 7) Execute an external program and display the output

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

(PECL pthreads >= 2.0.0) Synchronization public

(PECL ev >= 0.2.0) Configures the watcher