HP OpenVMS Systems

Processes, devices, and assigned channels?

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The Question is:

 
Is there a way to determine how many processes are referencing a shared device?
 In particular, can this be done with a BG device? I cannot see how to do this
 with the getdvi service.
 
 

The Answer is :

 
  You can tell how many channels are associated with a device, but
  locating the associated processes requires some digging -- the
  data structures are organized to get from the process to the
  device, and not the reverse.  (Digging would be via SDA or via
  kernel-mode hackery, most commonly.  The most supportable approach
  would be via process-level cooperation, obviously.)
 

  

     

     
answer written or last revised on ( 24-APR-2001 )
     
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