(PECL gearman >= 0.5.0) Set a callback for when a task is queued

(PECL gearman >= 0.5.0) Add a task to be run in parallel

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

(PECL gearman >= 0.5.0) Get errno public int

(PECL gearman >= 0.5.0) Add a job server to the client

(PECL gearman >= 0.6.0) Send data for a task

(PECL gearman >= 0.5.0) Create a GearmanWorker instance

(PECL gearman >= 0.6.0) Get the unique identifier for a task

(PECL gearman >= 0.5.0) Get the last return code

(PECL gearman >= 0.5.0) Set a callback for accepting incremental data updates