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QRLS
Section: POSIX Programmer's Manual (1P)
Updated: 2003
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PROLOG
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
NAME
qrls - release batch jobs
SYNOPSIS
qrls [-h hold_list] job_identifier
...
DESCRIPTION
A batch job might have one or more holds, which prevent the batch
job from executing. A batch job from which all the holds have
been removed becomes eligible for execution and is said to have been
released. A batch job hold is removed by sending a request to
the batch server that manages the batch job. The qrls utility
is a user-accessible client of batch services that requests
holds be removed from one or more batch jobs.
The qrls utility shall remove one or more holds from those batch
jobs for which a batch job_identifier is
presented to the utility.
The qrls utility shall remove holds from batch jobs in the order
in which their batch job_identifiers are
presented to the utility.
If the qrls utility fails to process a batch job_identifier
successfully, the utility shall proceed to process the
remaining batch job_identifiers, if any.
The qrls utility shall remove holds on each batch job by sending
a Release Job Request to the batch server that
manages the batch job.
The qrls utility shall not exit until the holds have been removed
from the batch job corresponding to each successfully
processed batch job_identifier.
OPTIONS
The qrls utility shall conform to the Base Definitions volume
of IEEE Std 1003.1-2001, Section 12.2, Utility Syntax Guidelines.
The following option shall be supported by the implementation:
- -h hold_list
-
Define the types of holds to be removed from the batch job.
The qrls -h option shall accept a value for the hold_list
option-argument that is a string of alphanumeric
characters in the portable character set (see the Base Definitions
volume of IEEE Std 1003.1-2001, Section 6.1, Portable Character
Set).
The qrls utility shall accept a value for the hold_list
option-argument that is a string of one or more of the
characters 'u', 's', or 'o', or the single character
'n' .
For each unique character in the hold_list option-argument,
the qrls utility shall add a value to the
Hold_Types attribute of the batch job as follows, each representing
a different hold type:
- u
-
-
USER
- s
-
-
SYSTEM
- o
-
-
OPERATOR
If any of these characters are duplicated in the hold_list option-argument,
the duplicates shall be ignored.
An existing Hold_Types attribute can be cleared by the following
hold type:
- n
-
-
NO_HOLD
The qrls utility shall consider it an error if any hold type
other than 'n' is combined with hold type
'n' .
Strictly conforming applications shall not repeat any of the characters
'u', 's', 'o', or
'n' within the hold_list option-argument. The qrls
utility shall permit the repetition of characters, but
shall not assign additional meaning to the repeated characters.
An implementation may define other hold types. The conformance document
for an implementation shall describe any additional hold
types, how they are specified, their internal behavior, and how they
affect the behavior of the utility.
If the -h option is not presented to the qrls utility,
the implementation shall remove the USER hold in the
Hold_Types attribute.
OPERANDS
The qrls utility shall accept one or more operands that conform
to the syntax for a batch job_identifier (see Batch Job Identifier
).
STDIN
Not used.
INPUT FILES
None.
ENVIRONMENT VARIABLES
The following environment variables shall affect the execution of
qrls:
- LANG
-
Provide a default value for the internationalization variables that
are unset or null. (See the Base Definitions volume of
IEEE Std 1003.1-2001, Section 8.2, Internationalization Variables
for
the precedence of internationalization variables used to determine
the values of locale categories.)
- LC_ALL
-
If set to a non-empty string value, override the values of all the
other internationalization variables.
- LC_CTYPE
-
Determine the locale for the interpretation of sequences of bytes
of text data as characters (for example, single-byte as
opposed to multi-byte characters in arguments).
- LC_MESSAGES
-
Determine the locale that should be used to affect the format and
contents of diagnostic messages written to standard
error.
- LOGNAME
-
Determine the login name of the user.
ASYNCHRONOUS EVENTS
Default.
STDOUT
None.
STDERR
The standard error shall be used only for diagnostic messages.
OUTPUT FILES
None.
EXTENDED DESCRIPTION
None.
EXIT STATUS
The following exit values shall be returned:
- 0
-
Successful completion.
- >0
-
An error occurred.
CONSEQUENCES OF ERRORS
In addition to the default behavior, the qrls utility shall
not be required to write a diagnostic message to standard
error when the error reply received from a batch server indicates
that the batch job_identifier does not exist on the
server. Whether or not the qrls utility waits to output the
diagnostic message while attempting to locate the job on other
servers is implementation-defined.
The following sections are informative.
APPLICATION USAGE
None.
EXAMPLES
None.
RATIONALE
The qrls utility allows users, operators, and administrators
to remove holds from jobs.
The qrls utility does not support any job selection options
or wildcard arguments. Users may acquire a list of jobs
selected by attributes using the qselect utility. For example,
a user could select
all of their held jobs.
The -h option allows the user to specify the type of hold that
is to be removed. This option allows for USER, SYSTEM,
OPERATOR, and implementation-defined hold types. The batch server
that manages the batch job will verify whether the user is
authorized to remove the specified hold for the batch job. If more
than one type of hold has been placed on the batch job, a user
may wish to remove only some of them.
Mail is not required on release because the administrator has the
tools and libraries to build this option if required.
The qrls utility is a new utility vis-a-vis existing practice;
it has been defined in this volume of
IEEE Std 1003.1-2001 as the natural complement to the qhold
utility.
FUTURE DIRECTIONS
None.
SEE ALSO
Batch Environment Services, qhold, qselect
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
Index
- PROLOG
-
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- OPERANDS
-
- STDIN
-
- INPUT FILES
-
- ENVIRONMENT VARIABLES
-
- ASYNCHRONOUS EVENTS
-
- STDOUT
-
- STDERR
-
- OUTPUT FILES
-
- EXTENDED DESCRIPTION
-
- EXIT STATUS
-
- CONSEQUENCES OF ERRORS
-
- APPLICATION USAGE
-
- EXAMPLES
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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