plm(7)                     DG/UX 4.30                      plm(7)



     NAME
          plm - pseudo lock manager device interface

     DESCRIPTION
          This character special device provides a communications path
          between the operating system kernel and the lockd(8c)
          network daemon.  The special file /dev/plm is open-ed(2) by
          lockd(8c), and serves as a point for passing record lock
          requests and replies out of and into the operating system
          kernel.  Lockd(8c) is the only program that should ever
          access plm. In order for remote record locking services to
          be provided, the pseudo device driver entry plm() must be
          listed in the system(4) file before configuring the system.

     FILES
          /dev/plm       Special file for remote record locking service.

     SEE ALSO
          config(1m), open(2), system(4), lockd(8c)




































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