Network - Running A Standalone Application From A Network Server
benr_mc at cogapp.com
Fri Dec 17 09:52:44 CST 2004
on 17/12/04 3:27 pm, Frank D. Engel, Jr. wrote
>> On MacOS X I'm not sure; I know that an application writing to itself,
>> possible on Mac Classic but not on Windows (which corresponds to their
>> respective positions as to whether the running app uniquely owns the file it
>> sprang from) is not possible on X; however, it doesn't appear that an X app
>> can be open twice. Someone who knows what they're talking about may be able
>> to give more detail here.
> An OS X program can have multiple running instances. Additionally,
> Fast User Switching in OS X 10.3 allows several users to be logged in
> simultaneously on the same computer. Having one user running a
> particular program does not prevent other users from running it at the
> same time. It's partially due to the UNIX clone sitting under OS X.
> Note that in general, trying to start a second instance of the same
> program within a single user login session from the GUI doesn't work:
> the behavior is the same as for OS 9. But you can start a new instance
> from a terminal window just fine.
Ah! That makes sense. Presumably Apple decided to place the same limitation
on (the GUI in) X that they had in Classic, to avoid scaring the horses (and
app developers who might have counted on the previous behaviour). Thanks for
clearing that up, Frank.
Ben Rubinstein | Email: benr_mc at cogapp.com
Cognitive Applications Ltd | Phone: +44 (0)1273-821600
http://www.cogapp.com | Fax : +44 (0)1273-728866
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