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I guess my confusion is related to the word "job". You are really just talking about a command or a program. Not a job as such. ----- Original Message ----- From: Hall, Philip <phall@spss.com> To: <midrange-l@midrange.com> Sent: Tuesday, April 09, 2002 12:08 PM Subject: RE: Monitor for existing job. > This message is in MIME format. Since your mail reader does not understand > this format, some or all of this message may not be legible. > -- > [ Picked text/plain from multipart/alternative ] > > And how would you prevent another > > one with the same simple name but > > using completely different resources > > to run or maybe it would be ok to run > > this as there is no conflict. > > This brings us back full circle to what Mike wanted, a way to ensure that if > the job was already running that a duplicate couldn't be run at the same > time. > > The various answers all described that the code in the job create some kind > of semaphore/mutex/flag that is only live while the job runs - if a second > copy tries to run, it will see the 'in-use' and quit. > > Lots of jobs do this kind of thing (sometimes explicitly, sometimes not), on > many OS's. > > --phil > _______________________________________________ > This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list > To post a message email: MIDRANGE-L@midrange.com > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l > or email: MIDRANGE-L-request@midrange.com > Before posting, please take a moment to review the archives > at http://archive.midrange.com/midrange-l. >
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