(PECL gearman >= 0.5.0) Get errno public int

(PECL gearman >= 0.6.0) Unregister a function name with the job servers

(PECL gearman >= 0.6.0) Get socket I/O activity timeout

(PECL gearman >= 0.6.0) Wait for activity from one of the job servers

(PECL gearman >= 0.5.0) Add a job server public

(PECL gearman >= 0.5.0) Get the last error encountered

(PECL gearman >= 0.5.0) Create a copy of the worker

(PECL gearman >= 0.6.0) Get worker options

(PECL gearman >= 0.6.0) Test job server response

(PECL gearman >= 0.5.0) Register and add callback function