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- 9 Jan 1996 16:17:18 +0200 Petri Nordlund wrote
-
- > Oliver Fels <Oliver@stanley.zebra.fh-weingarten.de> wrote:
- >
- > >I am actually using the symbolic arithmetical package MapleV.
- > >iUnfortunately the Plot3D module doesn┤t open a screen and does not
- > >return back to Maple, if Executive is running. Result: Maple hangs. (
- > >Execute is definitely responsible). Setting all Maple task schedule
- > >settings to IGNORE did not work. Any ideas ?
- >
- > Hi, I'm the author of Executive.
- >
- > Maple normally runs at priority 0, if you don't change its priority
- > before or after you start it. Maple starts a task called "MaplePlot3D"
- > and gives it priority -24. Maple expects that the priority of the
- > plot-task is lower than the main task. Programs really shouldn't be
- > written this way, there's absolutely no need to do so.
- That┤s what I expected...
- > [...]
- > What you need to do is to keep the Maple main task's priority at 0, the
- > plot-task can be scheduled. Just go to ExecutivePrefs's Tasks- section,
- > click the New-button, type "MapleV" into the Name-gadget and hit Ok two
- > times. Save the prefs and restart Executive. That's it.
- WopBopaLooBopAlopBamBoom... Yabadabadooo !!! It works !!
- Can┤t believe it... 8-)
- Amazing !!
- >
- > The IGNORE-option in Executive shouldn't be used for anything. It tells
- > Executive to completely ignore a task. IGNORE is reserved for one
- > special case: The SAS/C Codeprobe (CPR) debugger creates a task called
- > "VISOR input processor". This task is created normally with
- > exec.library's AddTask() function, but it's not removed using RemTask().
- > Needless to say, this is not very system friendly. Executive will
- > automatically ignore this task. So as I said, don't use IGNORE for
- > anything, use NOSCHEDULE instead.
- As I thought, i imagined Maple being not so system conform, so the problem could
- have been the same as with the SAS debugger, so it was worth the try.
-
- Anyway, I unfortunately have to say, that I have not already registered
- Executive :-; Shame on me.
- I┤ll do it whenever I have the time and money ( after exams ).
- Promised ;)
- Great piece of soft.
-
- Oliver
-
-