WSIO

GDDM V3R2 Base Application Programming Reference

WSIO

GDDM V3R2 Base Application Programming Reference
SC33-0868-02

Function

To control windowed device input/output.


   WSIO        (operator-window-id)

   APL code               151
   GDDM RCP code          X'0C100008' (202375176)

Parameters

operator-window-id (returned by GDDM) (fullword integer)
The identifier of the operator window that satisfied the I/O request. If hierarchies of operator windows and virtual devices are being used, and the operator window that satisfied the I/O request is at a lower level in the hierarchy than the primary device, the identifier of its ancestor operator window belonging to this device is returned.

Description

Performs output and possibly input for a windowed device.

If any operator window is requesting FSFRCE (either explicitly or implicitly), WSIO performs output but does not wait for input, and returns the identifier of the operator window for which I/O was completed, or its parent operator window identifier, according to the operator window hierarchy.

If no operator windows are requesting FSFRCE, the WSIO call performs the type of I/O requested by the highest viewing priority operator window, and returns the identifier of the operator window for which I/O was completed, or its parent operator window identifier depending upon the operator window hierarchy.

If user control is used to change the highest viewing priority operator window, the type of I/O requested by this window is performed.

WSIO performs an implicit WSSEL for all the parent windows of the operator window that satisfied the I/O request, and also for the operator window that satisfied the I/O request.

Principal errors

ADM3180 E: PRIMARY DEVICE NOT OPENED WITH THE WINDOW PROCOPT

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