Using Multiple Heads Under Iris Gl; Specifying Screen Adjacency - Silicon Graphics Octane2 Duo Installation Manual

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Using Multiple Heads Under IRIS GL

007-4506-001

Under IRIS GL, you select a head on which to run a window by using the

scrnselect(3G) function. If you do not call scrnselect() before opening a window

using winopen(3G), the window opens on whichever screen the user has speciﬁed in the

DISPLAY environment variable.

This is the syntax for scrnselect():

long scrnselect(gsnr)

long gsnr;

where gsnr is the screen number relative to the current server—that is, 0 for screen :0.0

or 1 for :1.0.

If you include system conﬁguration ﬁles such as /usr/lib/X11/xdm/Xservers with

your application, you may want to conﬁgure the layout of the heads, specifying which is

on the left and which on the right. For information on how to specify adjacency, see the

Xsgi man page, under the -hw option, or Chapter 2, "Duo Software Installation," in this

guide.

Using Multiple Heads Under IRIS GL

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