z/OS ISPF Planning and Customizing
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Member name enqueue

z/OS ISPF Planning and Customizing
GC19-3623-00

To restrict concurrent use of a member of a partitioned data set, while still allowing ISPF users to use different members of the same data set (PDF EDIT, Table Processing, File Tailoring), ISPF issues this ENQ macro for the member: 
      ENQ SPFEDIT,rname,E,52,SYSTEMS
where
rname
the data set name, length of 44, padded with blanks, followed by the member name, length of 8, padded with blanks
Parent topic: ISPF enqueue processing for data integrity

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