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FACTOR.DOC -- Changes from V1(3) to V1A(10)
May 1980






























COPYRIGHT (C) 1976,1977,1979,1980 BY
DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.


THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
INCLUSION OF THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR  ANY  OTHER
COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
TRANSFERRED.

THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
CORPORATION.

DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.

FCR1A.DOC                                                       Page 2


FACTOR.DOC -- Changes from V1(3) to V1A(10)
May 1980



1.0  SUMMARY

FACTOR contains all the FACT-file related code necessary for LOGIN  or
LOGOUT, and is unsupported (Category C) except to the extent necessary
to make supported products (LOGIN and LOGOUT) work.

FACTOR has been tested with LOGIN V61 under TOPS10 version 7.01.



2.0  EXTERNAL CHANGES

None.



3.0  KNOWN BUGS AND DEFICIENCIES

None.



4.0  INSTALLATION INSTRUCTIONS

LOGIN and LOGOUT now must be linked  with  FACTOR.REL.   Installations
using  the  distributed  .CTL  files  to  build  these programs should
require no changes in procedures.



5.0  INTERNAL CHANGES

Edit #

4      If a FACT file exits on a full  structure  and  DAEMON  is  not
       running  the  date of the FACT file may get changed to 5-Jan-75
       or undated depending on the edit level  of  the  monitor.   SPR
       10-26315.

5      Change FACTOR to search MACTEN and UUOSYM instead of C.

6      Generate symbols for Major Version,  Minor  Version,  Edit  and
       Who,  and  use  a  macro  to  generate  the title line so as to
       include the version and edit numbers.

7      /BAH 29-April-80 QAR  10-03781  DETFLG  is  referenced  without
       indexing  by  B, destroying a random word in the low segment if
       the job is detached and DAEMON is not running.

10     (SPR 10-28831)/FRS 29-April-80 check to  see  if  job  you  are

FCR1A.DOC                                                       Page 3


       trying to attach to is DAEMON and is [1,2].  If so, skip trying
       to write fact entry.



6.0  SUGGESTIONS

This section is for informational  purposes  only.   Since  FACTOR  is
unsupported,  the  only  use of it for which DEC can be responsible is
when called by field-image versions of LOGIN or LOGOUT.

FACTOR  allocates  its  own  low  segment  space.   It  preserves  all
registers  except  AC 6.  It types all necessary error messages on the
job's controlling terminal unless the job is running detached.  FACTOR
expects  AC  17  to  point to a stack at least 25 locations deep.  The
only entry point is called .FACTR.  To call it,  load  AC  6  with  an
AOBJN  pointer  to  the  FACT  file  entry to be made, and call with a
PUSHJ.  FACTOR first tries to write the entry by calling DAEMON with a
DAEMON  UUO.  If that fails, it tries writing directly to device STD:.
If FACT.SYS can't be written, FACTOR then  tries  FACT.X01,  FACT.X02,
and so forth up through FACT.X77.  If all such files cannot be written
an error message is typed on the job's controlling terminal.

       MOVE    6,[AOBJN pointer to FACT file entry]
       PUSHJ   17,.FACTR##
         always return here



[End of FACTOR.DOC]

[FCR1.DOC is appended as an integral part of FACTOR.DOC] 

FCR1.DOC                                                        Page 4


FACTOR.DOC -- V1
August 1976



1.0  SUMMARY

This is a  new  module  which  contains  all  FACT-file  related  code
necessary  for LOGIN or LOGOUT.  This module is being released to ease
the change to USAGE file accounting by segregating all accounting-file
related  code into a single module, and to improve the maintainability
of programs which call it.  This module is  unsupported  (Category  C)
except  to  the extent necessary to make supported products (LOGIN and
LOGOUT) work.

The following CUSPs or later must be used with FACTOR V1:

     MACRO version 50 or 52



2.0  EXTERNAL CHANGES

Not applicable here.



3.0  KNOWN BUGS AND DEFICIENCIES

None.



4.0  INSTALLATION INSTRUCTIONS

LOGIN and LOGOUT now must be linked  with  FACTOR.REL.   Installations
using  the  distributed  .CTL  files  to  build  these programs should
require no changes in procedures.



5.0  INTERNAL CHANGES

Not applicable here.



6.0  SUGGESTIONS

This section is for informational  purposes  only.   Since  FACTOR  is
unsupported,  the  only  use of it for which DEC can be responsible is
when called by field-image versions of LOGIN or LOGOUT.

FACTOR  allocates  its  own  low  segment  space.   It  preserves  all
registers  except  AC 6.  It types all necessary error messages on the

FCR1.DOC                                                        Page 5


job's controlling terminal unless the job is running detached.  FACTOR
expects  AC  17  to  point to a stack at least 25 locations deep.  The
only entry point is called .FACTR.  To call it,  load  AC  6  with  an
AOBJN  pointer  to  the  FACT  file  entry to be made, and call with a
PUSHJ.  FACTOR first tries to write the entry by calling DAEMON with a
DAEMON  UUO.  If that fails, it tries writing directly to device STD:.
If FACT.SYS can't be written, FACTOR then  tries  FACT.X01,  FACT.X02,
and so forth up through FACT.X77.  If all such files cannot be written
an error message is typed on the job's controlling terminal.

       MOVE    6,[AOBJN pointer to FACT file entry]
       PUSHJ   17,.FACTR##
         always return here



[End of FCR1.DOC]