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   ARGUS      Argus Support Echo      613 messages   

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   Message 256 of 613   
   mark lewis to Bj”rn Felten   
   Semaphore files?   
   29 Oct 14 17:37:34   
   
    On Wed, 29 Oct 2014, Bj”rn Felten wrote to mark lewis:   
      
    ml> set the cronjob to run every minute, or five minutes or whenever...   
      
    BF>    I was hoping for a more elegant way,   
      
   sadly, that is elegance in today's world... definitely what one has to do in   
   the *nix world since they also don't seem to have any schedulers that react   
   when a semaphore is created... you gotta waste resources firing a script and   
   letting it look to see if there's anything for it to do...   
      
    BF> but if there's no semaphore file for Argus that does the job (like    
    BF> e.g. the semaphore file for nodelist update), I guess that's my    
    BF> only option. :(   
      
   argus doesn't exit for the nodelist compilation... it uses its internal   
   compiler... it doesn't know anything about tossing mail so you would have to   
   trigger it externally anyway... if argus could detect the semaphore, the best   
   it could do might be to trigger the external tossing script or possibly create   
   another semaphore to start it by some other means but since it doesn't, you   
   have to use something else...   
      
   you don't even have to use argus' cron to fire a scheduled job if you have   
   something else that can fire tasks when they see a semaphore... on OS/2 i use   
   wcron which is one of the only schedulers i've found that can do this... i   
   have no clue what else may be available... only that there's no reason to get   
   the mailer involved other than possibly firing a scheduled cron job... you   
   could use some other scheduler to fire the script, too... even the windows one   
   if that's the world your system is operating in...   
      
   i've even seen systems that have a script that runs all the time from   
   startup... the script basically sleeps all the time and wakes occasionally to   
   look for a semaphore before executing the task or going back to sleep...   
      
   you'd have this same ""problem"" if you were running binkd, too...   
      
   kinda makes one miss the days of traditional mailers with their features and   
   advanced capabilities, eh? ;)   
      
   )\/(ark   
      
    * Origin:  (1:3634/12)   

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