(j3.2006) paper J3/14-174

Robert Corbett robert.corbett
Wed Jun 11 02:23:59 EDT 2014


Paper J3/14-174 proposes to allow a file to be
connected to more than one unit simultaneously.
How would the effects of I/O operations on those
units be interleaved?  For example, if a file on
magnetic tape is connected to more than one unit
and the program does a rewind on one of those
units and then does a write on another, would
the rewind happen for both units before the
write is done?  Would a close operation on one
of the units, possibly with STATUS='DELETE',
also cause the other units to become
disconnected?

Bob Corbett



More information about the J3 mailing list