[GRASS5] Multiple sessions

[Radim Blazek]

On Thursday 13 May 2004 21:05, Glynn Clements wrote:
> Radim Blazek wrote:
> > Are there any objections to enable multiple sessions
> > (one per mapset) in 5.7? Basically:
> >
> > cp $HOME/.grassrc57 /tmp/grass57-$USER/gisrc.$$
> > set GISDBASE, LOCATION_NAME, MAPSET
> > check $LOCATION/.gislock
> > run GRASS session
> > rm -f $LOCATION/.gislock
> > cp /tmp/grass57-$USER/gisrc.$$ $HOME/.grassrc57
> > rm -f /tmp/grass57-$USER/gisrc.$$
>
> There is one set of monitors per user, but monitors are tied to the
> session in which they are started due to the redraw-on-resize code
> (any commands will be run with $GISRC set to the value which the
> driver inherited from mon.start).
>
> I think that we would really need to have one set of monitors per
> session. Either that, or just remove the redraw-on-resize code (which
> would be a good thing in any case).

So, change _get_make_sock_path() (lib/gis/unix_socks.c) to return 
/tmp/grass'VERSION_MAJOR''VERSION_MINOR'-$USER-$GIS_LOCK
instead of 
/tmp/grass'VERSION_MAJOR''VERSION_MINOR'-$USER
set $GISRC to tmp/grass57-$USER-$GIS_LOCK/gisrc
and close all running monitors when GRASS session is closed.

Patches attached.

Radim
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