The JAMS_SCHCALLUSER routine is a user-written procedure. This
procedure allows you to gain control when certain events occur. This
procedure will be called when the JAMS_SCHEDULE process starts or stops
and when a job starts executing and completes.
Your routine can call the JAMS_GET_DATA routine to obtain
detailed information concerning the event which triggered the call.
This routine must complete relatively quickly because JAMS_SCHEDULE
process is stalled until this routine completes.
This routine may be written in any language which adheres to the
OpenVMS Common Language Environment. You must link your routine into a
sharable image. The sharable image must be named JAMS_SCHCALLUSER.EXE
and be located in SYS$SHARE or you must define the logical name
JAMS_SCHCALLUSER to point to your sharable image. The JAMS_SCHCALLUSER
logical name must be defined /EXECUTIVE and /SYSTEM.
The following commands illustrate how to compile, link and install a
JAMS_SCHCALLUSER routine on a VAX.
$ COBOL JAMS_SCHCALLUSER.COB
$ LINK/EXE=JAMS_SCHCALLUSER.EXE SYS$INPUT/OPTION/SHARE
JAMS_SCHCALLUSER.OBJ
UNIVERSAL=JAMS_SCHCALLUSER
JAMS_EXE:JAMSSHR.EXE/SHARE
[Ctrl/Z]
$ COPY JAMS_SCHCALLUSER.EXE SYS$COMMON:[SYSLIB]
$ MCR JAMS_EXE:JAMS_MASTER.EXE STOP SCHEDULE
$ MCR JAMS_EXE:JAMS_MASTER.EXE START SCHEDULE
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The following commands illustrate how to compile, link and install a
JAMS_SCHCALLUSER routine on an Alpha.
$ COBOL JAMS_SCHCALLUSER.COB
$ LINK/EXE=JAMS_SCHCALLUSER.EXE SYS$INPUT/OPTION/SHARE
JAMS_SCHCALLUSER.OBJ
SYMBOL_VECTOR=(JAMS_SCHCALLUSER=PROCEDURE)
JAMS_EXE:JAMSSHR.EXE/SHARE
[Ctrl/Z]
$ COPY JAMS_SCHCALLUSER.EXE SYS$COMMON:[SYSLIB]
$ MCR JAMS_EXE:JAMS_MASTER.EXE STOP SCHEDULE
$ MCR JAMS_EXE:JAMS_MASTER.EXE START SCHEDULE
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There are examples of JAMS_SCHCALLUSER routines in
JAMS_EXAMPLES:.
