GACWK

GDDM-GKS V1R1 Programming Guide and Reference

GACWK

GDDM-GKS V1R1 Programming Guide and Reference
SC33-0334-00

Purpose


GACWK	(wkid)

APL code	1307
GKS RCP code	X'38000400' (939525120)

Function: To activate workstation.

Control function. Makes the workstation ready for GKS output.

Parameters

wkid (specified by user) (fullword integer)
The identifier selected when the workstation was opened.

Operating states

WSOP, WSAC

Related functions

Close workstation (GCLWK), Open workstation (GOPWK), Deactivate workstation (GDAWK)

Description

This function makes a workstation ready to receive output. The specified workstation is marked active in the workstation state list and is added to the list of active workstations in the GKS state list. If the GKS operating state is WSOP, the state is set to WSAC.

Output primitives are sent to, and segments are stored on, all active workstations and no others. Input and MI workstations cannot be activated.

Principal errors

6: GKS not in proper state: GKS shall be either in the state WSOP or in the state WSAC
20: Specified workstation identifier is invalid
25: Specified workstation is not open
29: Specified workstation is active
33: Specified workstation is of category MI
35: Specified workstation is of category INPUT
43: Maximum number of simultaneously active workstations would be exceeded

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