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UNIVERSITY OF YORK
MIC - COJOBS
Concurrent JOB facility
USERS' GUIDE EDITION 3.1
(for GALAXY systems)
April 1983
This guide relects features of version 11C(1223) of MIC.
MIC COJOBS - CONCURRENT JOB FACILITY Page 2
University of York - April 1983
Contents
Section Contents page
1. Introduction
2. Log Specification
3. COJOB switches
1. TIME switch
2. TAG switch
3. [NO]OPTION switch
4. [NO]LOPTION switch
4. COJOB request (continued from section l)
5. COJOB messages
6. COJOB control
7. COJOB commands
8. "IF" extension for COJOB users
9. MIC SET command
Index
Appendices
A ERROR MESSAGES
A.1 COJOB command - fatal errors
A.2 COJOB command - non fatal errors
Index of Error Codes
MIC COJOBS - CONCURRENT JOB FACILITY Page 3
University of York - April 1983
1 Introduction
_ ____________
The COJOB facility gives the user the ability to request immediate
execution of a MIC macro as a separate job. The COJOB is logged in on a
PTY by the MIC master process under the same PPN as the requestor.
Transactions on the PTY are written to the specified log file.
A COJOB request is entered by a command of the form
.COJOB LOGSPEC/SWITCHES=<MACRO-SPEC> <ARGUMENTS>
where
LOGSPEC is the specification of the MIC log file
(see section 2)
SWITCHES control the various COJOB options
(see section 3)
MACRO-SPEC is the specification of the MIC command file in the
usual format
(see MIC documentation)
ARGUMENTS are the arguments to the MIC command file
(see MIC documentation)
The description of the COJOB request is continued in section 4.
2 Log Specification
_ ___ _____________
The specification of the log file for a COJOB is of the form
DEV:FILNAM.EXT[PATH]
where any or all of these may be omitted, and a standard default value
used. The standard defaults are
DEV DSK
FILNAM the same as the macro file
EXT Lnn - where nn is a two digit number
forming a unique filename.ext
PATH the initiator of the COJOBS project
programmer number
Example
To run the macro command file "FRED.MIC" the user could use the command
.COJOB=FRED
and use all defaults.
MIC COJOBS - CONCURRENT JOB FACILITY Page 4
University of York - April 1983
This is equivalent to using
.COJOB DSK:FRED.L00/TIME:60=FRED
Note: A convenient way of running a COJOB and producing no log file
is:
COJOB NUL:=MACROFILE
3 COJOB switches
_ _____ ________
The switches given in a COJOB control the running of the COJOB and the
disposal of the log file. Currently the switches available are
TIME Time limit for cojob
TAG Start COJOB at a label
[NO]OPTION select a SWITCH.INI option
[NO]LOPTION select a SWITCH.INI option at LOGIN.
Note: COJOB switches may be included in a SWITCH.INI line labelled thus:
COJOB /switches
or
COJOB:optionname/switches
if a /OPTION:optionname switch is used.
3.1 TIME switch
___ ____ ______
This switch controls the run-time for the COJOB, and has the format
/TIME:n
where
n is the run-time for the COJOB given in the form
n = s seconds e.g. /TIME:5
n = mm:ss - minutes:seconds e.g. /TIME:3:30
n = hh:mm:ss - hours:minutes:seconds e.g. /TIME:1:30:25
n = sk - s*1000 seconds e.g. /TIME:5k
The default run-time is currently 60 secs, though this may change.
The system operator may also set a maximum value for this switch, which the
user may not exceed. If he attempts to exceed this value he will receive
the message described in Appendix A.2 and his switch value will be reset to
the maximum value.
3.2 TAG Switch This switch specifies that the COJOB is to start execution
___ ___ ______
at the label given as argument to the switch. The format is -
/TAG:labelname
MIC COJOBS - CONCURRENT JOB FACILITY Page 5
University of York - April 1983
3.3 [NO]OPTION switch This is the usual switch that controls the processing
___ __________ ______
of SWITCH.INI entries.
NOTE
The COJOB SWITCH.INI line is labelled COJOB.
3.4 [NO]LOPTION switch This switch controls the option to be selected a
___ ___________ ______
COJOB LOGIN, thus the switch /NOLOPTION would cause the LOGIN switch
/NOOPTION to be used.
4 COJOB request - contd.
_ _____ _______ _ ______
If a COJOB request is successful the user will be informed thus
[COJOB <name> (macroname) started, log file is DEV:NAME.EXT[PATH]]
where
<name> is a one letter name assigned to the COJOB for identification
purposes.
(macroname) is the COJOB job name, normally the same as the FILNAME part of
the <macro-spec>.
If a COJOB request is unsuccessful the user will receive
[No COJOBS available]
or an appropriate error message.
5 COJOB messages
_ _____ ________
When a COJOB finishes its run the user is informed by
[COJOB <name> (macroname) complete]
and a record of what was performed by the COJOB may be found in the
logfile.
Other messages which may be output during the running of the COJOB are
[COJOB <name> (macroname)[ABORT]] If the user has included a MIC ABORT
statement in the command file.
[COJOB <name> (macroname)[ABORT ON ERROR]] If an error condition has been
detected.
MIC COJOBS - CONCURRENT JOB FACILITY Page 6
University of York - April 1983
[COJOB <name> (macroname).PLEASE<MESSAGE>] If a PLEASE command has been
included.
[COJOB <name> (macroname)[BREAK]] If a MIC BREAK has been performed.
(To proceed after this message see COJOB control commands)
[COJOB <name> (macroname)[PROCEED]] If a COJOB has been proceeded after a
break.
[COJOB <name> (macroname) waiting ...] This message is output every two
minutes (approx.) after a MIC BREAK has been performed and the COJOB has
not been PROCEEDed
(N.B. A similar comment appears in the log file.)
[COJOB <name> (macroname)[?time limit exceeded]]
This message is output when a COJOB has run out of time. After this
message has been output the COJOB is allocated 10% of its original time and
allowed to proceed as if any error had occurred.
[COJOB <name> (message) - Enter Parameter B]
The message reflects the prompt which the use has used in a MIC INPUT
statement. The COJOB suspends until the user replies using a TYPE or ENTER
command.
These messages all have a correspondence with normal MIC messages and in
fact the normal MIC message will normally appear in the log file.
Note
1 If a COJOB owner logs off while his COJOB is still running no more
messages will be sent to the owner's TTY by the COJOB. Instead the
following message will be inserted in his log file
[COJOB owner not available - continuing]
and execution of the COJOB will continue.
Also, should the owner log out the COJOB will be prevented from entering
"break" mode.
2 Similarly, if a COJOB owner logs off while his COJOB is in BREAK mode,
this will be detected at the "Waiting ..." stage and the COJOB will be
continued as in note 1.
6 COJOB control
_ _____ _______
The COJOB owner (or the operator) may issue control commands to a
COJOB using the following command string
.COJOB <name>-<CONTROL-COMMAND>
where
MIC COJOBS - CONCURRENT JOB FACILITY Page 7
University of York - April 1983
<name> is the COJOB as section 5.
<control-command> is one of the following
WHAT - to receive information of the status of the
COJOB.
CANCEL - to kill the COJOB i.e. cause it to log out.
BREAK - to cause the COJOB to enter break mode.
(cf. MIC BREAK and ^B for normal MIC's)
PROCEED - to cause a COJOB to continue after a break.
(cf. MIC PROCEED and ^P)
ABORT - to stop the currently running mic process.
(cf. MIC ABORT and ^A)
PLEASE message - to display the "message" on the COJOB
owner's terminal.
If an invalid <CONTROL-COMMAND> has been given, or the user has tried to
issue a <CONTROL-COMMAND> to a COJOB that does not belong to him the
message
%CONTROL COMMAND "<CONTROL-COMMAND>" NOT VALID FOR COJOB <NAME>
will be output.
Note
1 <CONTROL-COMMANDS> are not valid when a cojob is in the process of
logging out or logging in.
2 The system operator may give any of the <CONTROL-COMMANDS> to any
COJOB, even those not owned by him.
7 COJOB commands
_ _____ ________
As well as the COJOB control commands, a COJOB owner may issue any other
MIC command on behalf of the COJOB. Example
.COJOB A-LET C="ABCDE"
sets the parameter C in the COJOB to contain the string "ABCDE"
Similarly, most other MIC commands may be given to a COJOB.
MIC COJOBS - CONCURRENT JOB FACILITY Page 8
University of York - April 1983
8 IF extensions for the COJOB user
_ __ __________ ___ ___ _____ ____
The IF command has been extended to provide a means whereby a MIC macro
command may determine if it is a COJOB or not.
The command has the format
.IF (COJOB).ANY MONITOR OR MIC COMMAND
and the interpretation of the command is the same as in the normal IF
command. (See MIC documentation.)
9 MIC SET command
_ ___ ___ _______
There is a separate set of MIC SET commands whose action applies only to
COJOBS.
This command is described in the MIC documentation.
The command format is
.MIC SET <no> <action>
where the available actions are
.MIC SET NO TIMESTAMP
Turns off timestamping of the log file.
.MIC SET TIMESTAMP
Turns timestamping on.
.MIC SET LOGNONE
Stops MIC logging COJOB activity.
.MIC SET LOGALL
Restarts logging (and timestamping)
Note
1 the two commands
.MIC SET NO LOGNONE
.MIC SET NO LOGALL
do have the expected effect, but are normally not necessary.
2 the default settings are
.MIC SET TIMESTAMP
.MIC SET LOGALL
Page Index-1
INDEX
ABORT . . . . . . . . . . . . . . . . 5
ABORT ON ERROR . . . . . . . . . . . 5
ARGUMENTS . . . . . . . . . . . . . . 3
BREAK . . . . . . . . . . . . . . . . 6
COJOB commands . . . . . . . . . . . 7
COJOB control . . . . . . . . . . . . 6
COJOB messages . . . . . . . . . . . 5
Default logspec . . . . . . . . . . . 3
IF command . . . . . . . . . . . . . 8
LOGSPEC . . . . . . . . . . . . . . . 3
MACRO-SPEC . . . . . . . . . . . . . 3
MIC SET command . . . . . . . . . . . 8
PLEASE . . . . . . . . . . . . . . . 6
PPN . . . . . . . . . . . . . . . . . 3
PROCEED . . . . . . . . . . . . . . . 6
PTY . . . . . . . . . . . . . . . . . 3
SWITCHES . . . . . . . . . . . . . . 3
Switches . . . . . . . . . . . . . . 4
TAG switch . . . . . . . . . . . . . 4
TIME switch . . . . . . . . . . . . . 4
Waiting . . . . . . . . . . . . . . . 6
WHAT command . . . . . . . . . . . . 7
[NO]LOPTION . . . . . . . . . . . . . 5
[NO]OPTION switch . . . . . . . . . . 5
}abort command . . . . . . . . . . . 7
}break command . . . . . . . . . . . 7
}cancel command . . . . . . . . . . . 7
}please command . . . . . . . . . . . 7
}proceed command . . . . . . . . . . 7
APPENDIX A
ERROR MESSAGES
_
COJOB command
As well as all the error messages which may be generated during a "/" command,
the following are specific to the COJOB command.
A.1 Fatal error messages
?MICCJN COJOBS not available at this time
The system operator has said that COJOBs are not available for remote users.
?MICCLD cannot INIT log device
The logging device specified by the user is in error.
?MICCLF cannot LOOKUP log file
A LOOKUP UUO performed on the user's specified log file failed for some reason
other than the file not existing.
?MICELF cannot ENTER log file
The specified log file could not be created.
?MICELS error in log file spec
The specification of the log file given by a user was invalid. Normally, this
error is due to incorrect syntax.
?MICECR error in COJOB request
A syntax error was detected in the "COJOB" command, most probably in one of the
user's switches.
?MICNCA No COJOBS available
All the COJOB slots are in use
A.2 Non-fatal error messages
%MICSAE switch value exceeds maximum value
A switch (e.g. the TIME switch) has an argument larger than some preset maximum
value (defined by the system). The user's argument is replaced by the mimimum
value.
Note
ERROR MESSAGES Page A-2
_
Some switches e.g. the TIME switch, may have their limit value changed by the
operator dependant on system loading.
Page Index-1
INDEX
MICCJN . . . . . . . . . . . . . . . . . A-1
MICCLD . . . . . . . . . . . . . . . . . A-1
MICCLF . . . . . . . . . . . . . . . . . A-1
MICECR . . . . . . . . . . . . . . . . . A-1
MICELF . . . . . . . . . . . . . . . . . A-1
MICELS . . . . . . . . . . . . . . . . . A-1
MICNCA . . . . . . . . . . . . . . . . . A-1
MICSAE . . . . . . . . . . . . . . . . . A-1
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