HP OpenVMS Systems Documentation

HP OpenVMS System Services Reference Manual

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Required Access or Privileges

None

Required Quota

None

Related Services

$ALLOC, $ASSIGN, $BRKTHRU, $BRKTHRUW, $CANCEL, $CREMBX, $DALLOC, $DASSGN, $DELMBX, $DEVICE_SCAN, $DISMOU, $GETDVI, $GETDVIW, $GETQUI, $GETQUIW, $INIT_VOL, $MOUNT, $PUTMSG, $QIO, $QIOW, $SNDERR, $SNDJBC, $SNDJBCW, $SNDOPR

Condition Values Returned

SS$_NORMAL The service completed successfully.

SS$_BUFFEROVF The service completed successfully. The string returned overflowed the buffer provided and has been truncated.

SS$_INSFARG The call arguments are insufficient.

SS$_MSGNOTFND The service completed successfully; however, the message code cannot be found, and a default message has been returned.

Example

#include <stdio.h>
#include <ssdef.h>
#include <stsdef.h>
#include <descrip.h>
#include <starlet.h>

int     status,                         /* Status of system calls */
        msg_flag = 0x0001,              /* Text only */
        msg_code = SS$_DUPLNAM;         /* Message code to retrieve */
short int
        outlen;                         /* Length of output string from $FAO */

char    out_buffer[256],                /* Buffer for $FAO output */
        msg_info[4];                    /* Buffer for message information */

$DESCRIPTOR(out_desc, out_buffer);      /* VMS Descriptor for out_buffer */

main()
{
    status = sys$getmsg(msg_code,       /* Error message number */
                        &outlen,        /* Length of retrived message */
                        &out_desc,      /* Descriptor for output buffer */
                        msg_flag,       /* Message options flag */
                        msg_info);      /* Return information area */

    if ((status & STS$M_SUCCESS) != 0)
    {
        /* $GETMSG directive succeeded, output resultant string */
        out_buffer[outlen] = '\0';      /* add string terminator to buffer */
        puts(out_buffer);               /* output the result */
    }
    return (status);
}

This example shows a segment of a program used to obtain only the text portion of the message associated with the system message code SS$_DUPLNAM. The $GETMSG service returns the following string:
duplicate process name

$GETQUI

Returns information about queues and the jobs initiated from those queues.
The $GETQUI service completes asynchronously; for synchronous completion, use the Get Queue Information and Wait ($GETQUIW) service.
For additional information about system service completion, refer to the Synchronize ($SYNCH) service.

Format

SYS$GETQUI [efn] ,func [,context] [,itmlst] [,iosb] [,astadr] [,astprm]

C Prototype

int sys$getqui (unsigned int efn, unsigned short int func, unsigned int *context, void *itmlst, struct _iosb *iosb, void (*astadr)(__unknown_params), int astprm);

Arguments

efn

OpenVMS usage: ef_number

type: longword (unsigned)

access: read only

mechanism: by value

Number of the event flag to be set when $GETQUI completes. The efn argument is a longword containing this number; however, $GETQUI uses only the low-order byte. The efn argument is optional.
When the request is queued, $GETQUI clears the specified event flag (or event flag 0 if efn was not specified). Then, when the operation completes, $GETQUI sets the specified event flag (or event flag 0).
func

OpenVMS usage: function_code

type: word (unsigned)

access: read only

mechanism: by value

Function code specifying the function that $GETQUI is to perform. The func argument is a word containing this function code. The $QUIDEF macro defines the names of each function code.
You can specify only one function code in a single call to $GETQUI. Most function codes require or allow for additional information to be passed in the call. You pass this information by using the itmlst argument, which specifies a list of one or more item descriptors. Each item descriptor in turn specifies an item code, which either describes the specific information to be returned by $GETQUI, or otherwise affects the action designated by the function code.
You can use wildcard mode to make a sequence of calls to $GETQUI to get information about all characteristics, form definitions, queues, or jobs contained in the system job queue file. For information on using wildcard mode, see the Description section.
context

OpenVMS usage: context

type: longword (unsigned)

access: modify

mechanism: by reference

Address of a longword containing the number of a context stream for this call to the $GETQUI system service. If the argument is unspecified or 0, the service uses the default context stream (#0).
To generate a new context stream, the specified longword must contain --1. $GETQUI then modifies the longword to hold the context number for that stream of operation. The context is marked with the caller's mode (user, supervisor, executive, or kernel). Any attempt to use that context in successive calls is checked and no call from a mode outside the recorded mode is allowed access.
To clean up a context, make a $GETQUI call using the QUI$_CANCEL_OPERATION function code and specify the address of the context number as the context argument.
itmlst

OpenVMS usage: item_list_3

type: longword (unsigned)

access: read only

mechanism: by reference

Item list supplying information to be used in performing the function specified by the func argument. The itmlst argument is the address of the item list. The item list consists of one or more item descriptors, each of which contains an item code. The item list is terminated by an item code of 0 or by a longword of 0. The following diagram depicts the structure of a single item descriptor:

The following table defines the item descriptor fields:

Descriptor Field	Definition
Buffer length	A word specifying the length of the buffer; the buffer either supplies information to $GETQUI or receives information from $GETQUI. The required length of the buffer varies, depending on the item code specified, and is given in the description of each item code.
Item code	A word containing an item code, which identifies the nature of the information supplied for $GETQUI or which is received from $GETQUI. Each item code has a symbolic name; the $QUIDEF macro defines these symbolic names.
Buffer address	Address of the buffer that specifies or receives the information.
Return length address	Address of a word to receive the length of information returned by $GETQUI.

The item codes' symbolic names have the following format:

QUI$_code

There are two types of item code:

Input value item code. The $GETQUI service has only five input value item codes: QUI$_SEARCH_FLAGS, QUI$_SEARCH_JOB_NAME, QUI$_SEARCH_NAME, QUI$_SEARCH_NUMBER, and QUI$_SEARCH_USERNAME. These item codes specify the object name or number for which $GETQUI is to return information and the extent of $GETQUI's search for these objects. Most function codes require that you specify at least one input value item code. The function code or codes for which each item code is valid are shown in parentheses after the item code description.
For input value item codes, the buffer length and buffer address fields of the item descriptor must be nonzero; the return length field must be zero. Specific buffer length requirements are given in the description of each item code.
Output value item code. Output value item codes specify a buffer for information returned by $GETQUI. For output value item codes, the buffer length and buffer address fields of the item descriptor must be nonzero; the return length field can be zero or nonzero. Specific buffer length requirements are given in the description of each item code.

Several item codes specify a queue name, form name, or characteristic name to $GETQUI or request that $GETQUI return one of these names. For these item codes, the buffer must specify or be prepared to receive a string containing from 1 to 31 characters, exclusive of spaces, tabs, and null characters, which are ignored. Allowable characters in the string are uppercase alphabetic characters, lowercase alphabetic characters (which are converted to uppercase), numeric characters, the dollar sign ($), and the underscore (_).

See the Item Codes section for a description of the $GETQUI item codes.

iosb

OpenVMS usage:	io_status_block
type:	quadword (unsigned)
access:	write only
mechanism:	by reference

I/O status block into which $GETQUI writes the completion status after the requested operation has completed. The iosb argument is the address of the I/O status block.

At request initiation, $GETQUI sets the value of the quadword I/O status block to 0. When the requested operation has completed, $GETQUI writes a condition value in the first longword of the I/O status block. It writes the value 0 into the second longword; this longword is unused and reserved for future use.

The condition values returned by $GETQUI in the I/O status block are condition values from the JBC facility, which are defined by the $JBCMSGDEF macro. The condition values returned from the JBC facility are listed in the section Condition Values Returned in the I/O Status Block section.

Though this argument is optional, HP strongly recommends that you specify it, for the following reasons:

If you are using an event flag to signal the completion of the service, you can test the I/O status block for a condition value to be sure that the event flag was not set by an event other than service completion.
If you are using the $SYNCH service to synchronize completion of the service, the I/O status block is a required argument for $SYNCH.
The condition value returned in R0 and the condition value returned in the I/O status block provide information about different aspects of the call to the $GETQUI service. The condition value returned in R0 gives you information about the success or failure of the service call itself; the condition value returned in the I/O status block gives you information about the success or failure of the service operation. Therefore, to accurately assess the success or failure of the call to $GETQUI, you must check the condition values returned in both R0 and the I/O status block.

astadr

OpenVMS usage:	ast_procedure
type:	procedure value
access:	call without stack unwinding
mechanism:	by reference

AST service routine to be executed when $GETQUI completes. The astadr argument is the address of this routine.

If specified, the AST routine executes at the same access mode as the caller of $GETQUI.

astprm

OpenVMS usage:	user_parm
type:	longword (unsigned)
access:	read only
mechanism:	by value

AST parameter to be passed to the AST service routine specified by the astadr argument. The astprm argument is this longword parameter. Function Codes

This section lists each of the $GETQUI function codes, describes the function, and lists the related item codes.

QUI$_CANCEL_OPERATION
This request terminates a wildcard operation that might have been initiated by a previous call to $GETQUI by releasing the $GETQUI context block (GQC) associated with the specified context stream.
A specific context stream can be selected and other streams are unaffected.
QUI$_DISPLAY_CHARACTERISTIC
This request returns information about a specific characteristic definition, or the next characteristic definition in a wildcard operation.
A successful QUI$_DISPLAY_CHARACTERISTIC wildcard operation terminates when the $GETQUI service has returned information about all characteristic definitions included in the wildcard sequence. The $GETQUI service indicates termination of this sequence by returning the condition value JBC$_NOMORECHAR in the I/O status block. If the $GETQUI service does not find any characteristic definitions, it returns the condition value JBC$_NOSUCHCHAR in the I/O status block.
For more information on how to request information about characteristics, see the Description section.
You must specify one of the following input value item codes; you can specify both:
QUI$_SEARCH_NAME
QUI$_SEARCH_NUMBER

You can specify the following input value item code:
QUI$_SEARCH_FLAGS

You can specify the following output value item codes:
QUI$_CHARACTERISTIC_NAME
QUI$_CHARACTERISTIC_NUMBER

QUI$_DISPLAY_ENTRY
This request returns information about a specific job entry, or the next job entry that matches the selection criteria in a wildcard operation. You use the QUI$_SEARCH_NUMBER item code to specify the job entry number.
In wildcard mode, the QUI$_DISPLAY_ENTRY operation also establishes a job context for subsequent QUI$_DISPLAY_FILE operations. The job context established remains in effect until you make another call to the $GETQUI service that specifies either the QUI$_DISPLAY_ENTRY or QUI$_CANCEL_OPERATION function code.
A successful QUI$_DISPLAY_ENTRY wildcard operation terminates when the $GETQUI service has returned information about all job entries for the specified user (or the current user name if the QUI$_SEARCH_USERNAME item code is not specified). The $GETQUI service signals termination of this sequence by returning the condition value JBC$_NOMOREENT in the I/O status block. If the $GETQUI service does not find a job with the specified entry number, or does not find a job meeting the search criteria, it returns the condition value JBC$_NOSUCHENT in the first longword of the I/O status block.
You can specify the following input value item codes:
QUI$_SEARCH_FLAGS
QUI$_SEARCH_JOB_NAME
QUI$_SEARCH_NUMBER
QUI$_SEARCH_USERNAME

You can specify the following output value item codes:
QUI$_ACCOUNT_NAME
QUI$_AFTER_TIME
QUI$_ASSIGNED_QUEUE_NAME
QUI$_CHARACTERISTICS
QUI$_CHECKPOINT_DATA
QUI$_CLI
QUI$_COMPLETED_BLOCKS
QUI$_CONDITION_VECTOR
QUI$_CPU_LIMIT
QUI$_ENTRY_NUMBER
QUI$_FILE_COUNT
QUI$_FORM_NAME
QUI$_FORM_STOCK
QUI$_JOB_COMPLETION_QUEUE
QUI$_JOB_COMPLETION_TIME
QUI$_JOB_COPIES
QUI$_JOB_COPIES_DONE
QUI$_JOB_FLAGS
QUI$_JOB_NAME
QUI$_JOB_PID
QUI$_JOB_RETENTION_TIME
QUI$_JOB_SIZE
QUI$_JOB_STATUS
QUI$_LOG_QUEUE
QUI$_LOG_SPECIFICATION
QUI$_NOTE
QUI$_OPERATOR_REQUEST
QUI$_PARAMETER_1 through 8
QUI$_PENDING_JOB_REASON
QUI$_PRIORITY
QUI$_PROCESSOR
QUI$_QUEUE_FLAGS
QUI$_QUEUE_NAME
QUI$_QUEUE_STATUS
QUI$_RAD
QUI$_REQUEUE_QUEUE_NAME
QUI$_RESTART_QUEUE_NAME
QUI$_SUBMISSION_TIME
QUI$_UIC
QUI$_USERNAME
QUI$_WSDEFAULT
QUI$_WSEXTENT
QUI$_WSQUOTA

QUI$_DISPLAY_FILE
This request returns information about the next file defined for the current job context. You normally make this request as part of a nested wildcard sequence of queue-job-file operations or a nested wildcard sequence of entry-file operations; that is, before you make a call to $GETQUI to request file information, you have already made a call to the $GETQUI service to establish the job context of the job that contains the files in which you are interested.
The $GETQUI service signals that it has returned information about all the files defined for the current job context by returning the condition value JBC$_NOMOREFILE in the I/O status block. If the current job context contains no files, $GETQUI returns the condition value JBC$_NOSUCHFILE in the I/O status block.
A batch job can make a call to the $GETQUI service to request information about the command file that is currently executing without first making calls to the service to establish a queue and job context. To do this, the batch job specifies the QUI$V_SEARCH_THIS_JOB option of the QUI$_SEARCH_FLAGS item code. The system does not save the queue or job context established in such a call.
For more information about how to request file information, see the Description section.
You can specify the following input value item code:
QUI$_SEARCH_FLAGS

You can specify the following output value item codes:
QUI$_FILE_COPIES
QUI$_FILE_COPIES_DONE
QUI$_FILE_FLAGS
QUI$_FILE_IDENTIFICATION
QUI$_FILE_SETUP_MODULES
QUI$_FILE_SPECIFICATION
QUI$_FILE_STATUS
QUI$_FIRST_PAGE
QUI$_LAST_PAGE

QUI$_DISPLAY_FORM
This request returns information about a specific form definition, or the next form definition in a wildcard operation.
A successful QUI$_DISPLAY_FORM wildcard operation terminates when the $GETQUI service has returned information about all form definitions included in the wildcard sequence. The $GETQUI service signals termination of this wildcard sequence by returning the condition value JBC$_NOMOREFORM in the I/O status block. If the $GETQUI service finds no form definitions, it returns the condition value JBC$_NOSUCHFORM in the I/O status block.
For more information on how to request information about forms, see the Description section.
You must specify one of the following input value item codes. You can specify both:
QUI$_SEARCH_NAME
QUI$_SEARCH_NUMBER

You can specify the following input value item code:
QUI$_SEARCH_FLAGS

You can specify the following output value item codes:
QUI$_FORM_DESCRIPTION
QUI$_FORM_FLAGS
QUI$_FORM_LENGTH
QUI$_FORM_MARGIN_BOTTOM
QUI$_FORM_MARGIN_LEFT
QUI$_FORM_MARGIN_RIGHT
QUI$_FORM_MARGIN_TOP
QUI$_FORM_NAME
QUI$_FORM_NUMBER
QUI$_FORM_SETUP_MODULES
QUI$_FORM_STOCK
QUI$_FORM_WIDTH
QUI$_PAGE_SETUP_MODULES

QUI$_DISPLAY_JOB
This request returns information about the next job defined for the current queue context. You normally make this request as part of a nested wildcard queue-job sequence of operations; that is, before you make a call to $GETQUI to request job information, you have already made a call to the $GETQUI service to establish the queue context of the queue that contains the job in which you are interested.
In wildcard mode, the QUI$_DISPLAY_JOB operation also establishes a job context for subsequent QUI$_DISPLAY_FILE operations. The job context established remains in effect until another call is made to the $GETQUI service that specifies the QUI$_DISPLAY_JOB, QUI$_DISPLAY_QUEUE, or QUI$_CANCEL_OPERATION function code.
The $GETQUI service signals that it has returned information about all the jobs contained in the current queue context by returning the condition value JBC$_NOMOREJOB in the I/O status block. If the current queue context contains no jobs, $GETQUI returns the condition value JBC$_NOSUCHJOB in the first longword of the I/O status block.
A batch job can make a call to the $GETQUI service to request information about itself without first making a call to the service to establish a queue context. To do this, the batch job must specify the QUI$V_SEARCH_THIS_JOB option of the QUI$_SEARCH_FLAGS item code. The system does not save the queue or job context established in such a call.
For more information about how to request job information, see the Description section.
You can specify the following input value item code:
QUI$_SEARCH_FLAGS

You can specify the following output value item codes:
QUI$_ACCOUNT_NAME
QUI$_AFTER_TIME
QUI$_CHARACTERISTICS
QUI$_CHECKPOINT_DATA
QUI$_CLI
QUI$_COMPLETED_BLOCKS
QUI$_CONDITION_VECTOR
QUI$_CPU_LIMIT
QUI$_ENTRY_NUMBER
QUI$_FILE_COUNT
QUI$_FORM_NAME
QUI$_FORM_STOCK
QUI$_INTERVENING_BLOCKS
QUI$_INTERVENING_JOBS
QUI$_JOB_COMPLETION_QUEUE
QUI$_JOB_COMPLETION_TIME
QUI$_JOB_COPIES
QUI$_JOB_COPIES_DONE
QUI$_JOB_FLAGS
QUI$_JOB_NAME
QUI$_JOB_PID
QUI$_JOB_RETENTION_TIME
QUI$_JOB_SIZE
QUI$_JOB_STATUS
QUI$_LOG_QUEUE
QUI$_LOG_SPECIFICATION
QUI$_NOTE
QUI$_OPERATOR_REQUEST
QUI$_PARAMETER_1 through 8
QUI$_PENDING_JOB_REASON
QUI$_PRIORITY
QUI$_QUEUE_NAME
QUI$_RAD
QUI$_REQUEUE_QUEUE_NAME
QUI$_RESTART_QUEUE_NAME
QUI$_SUBMISSION_TIME
QUI$_UIC
QUI$_USERNAME
QUI$_WSDEFAULT
QUI$_WSEXTENT
QUI$_WSQUOTA

QUI$_DISPLAY_MANAGER
This request returns information about a specific queue manager, or the next queue manager in a wildcard operation.
The $GETQUI service indicates that it has returned information about all the queue managers contained in the current wildcard sequence by returning the condition value JBC$_NOMOREQMGR in the I/O status block. If no queue manager matching the name string is found, $GETQUI returns the condition value JBC$_NOSUCHQMGR in the first longword of the I/O status block.
You must specify the following input value item code:
QUI$_SEARCH_NAME

You can specify the following input value item code:
QUI$_SEARCH_FLAGS

You can specify the following output value item codes:
QUI$_MANAGER_NAME
QUI$_MANAGER_NODES
QUI$_MANAGER_STATUS
QUI$_QUEUE_DIRECTORY
QUI$_SCSNODE_NAME

QUI$_DISPLAY_QUEUE
This request returns information about a specific queue definition, or the next queue definition in a wildcard operation.
In wildcard mode, the QUI$_DISPLAY_QUEUE operation also establishes a queue context for subsequent QUI$_DISPLAY_JOB operations. The queue context established remains in effect until another call is made to the $GETQUI service that specifies either the QUI$_DISPLAY_QUEUE or QUI$_CANCEL_OPERATION function code.
The $GETQUI service indicates that it has returned information about all the queues contained in the current wildcard sequence by returning the condition value JBC$_NOMOREQUE in the I/O status block. If no queue is found, $GETQUI returns the condition value JBC$_NOSUCHQUE in the first longword of the I/O status block.
A batch job can make a call to the $GETQUI service to request information about the queue in which it is contained without first making a call to the service to establish a queue context. To do this, the batch job must specify the QUI$V_SEARCH_THIS_JOB option of the QUI$_SEARCH_FLAGS item code. The system does not save the queue context established in such a call.
For more information about how to request queue information, see the Description section.
You must specify the following input value item code:
QUI$_SEARCH_NAME

You can specify the following input value item code:
QUI$_SEARCH_FLAGS

You can specify the following output value item codes:
QUI$_ASSIGNED_QUEUE_NAME
QUI$_BASE_PRIORITY
QUI$_CHARACTERISTICS
QUI$_CPU_DEFAULT
QUI$_CPU_LIMIT
QUI$_DEFAULT_FORM_NAME
QUI$_DEFAULT_FORM_STOCK
QUI$_DEVICE_NAME
QUI$_EXECUTING_JOB_COUNT
QUI$_FORM_NAME
QUI$_FORM_STOCK
QUI$_GENERIC_TARGET
QUI$_HOLDING_JOB_COUNT
QUI$_JOB_LIMIT
QUI$_JOB_RESET_MODULES
QUI$_JOB_SIZE_MAXIMUM
QUI$_JOB_SIZE_MINIMUM
QUI$_LIBRARY_SPECIFICATION
QUI$_OWNER_UIC
QUI$_PENDING_JOB_BLOCK_COUNT
QUI$_PENDING_JOB_COUNT
QUI$_PROCESSOR
QUI$_PROTECTION
QUI$_QUEUE_DESCRIPTION
QUI$_QUEUE_FLAGS
QUI$_QUEUE_NAME
QUI$_QUEUE_STATUS
QUI$_RAD
QUI$_RETAINED_JOB_COUNT
QUI$_SCSNODE_NAME
QUI$_TIMED_RELEASE_JOB_COUNT
QUI$_WSDEFAULT
QUI$_WSEXTENT
QUI$_WSQUOTA

QUI$_TRANSLATE_QUEUE
This request translates a name for a logical queue to the execution name for the queue. The name for the logical queue is specified by QUI$_SEARCH_NAME.
The translation is performed iteratively until the equivalence string is found or the number of translations allowed by the system has been reached.
This item applies to logical queues only. For additional information, see the Description section.
You must specify the following input value item code:
QUI$_SEARCH_NAME

You can specify the following output value item code:
QUI$_QUEUE_NAME

Item Codes

QUI$_ACCOUNT_NAME
Returns, as a character string, the account name of the owner of the specified job. Because the account name can include up to 8 characters, the buffer length field of the item descriptor should specify 8 (bytes).
(Valid for QUI$_DISPLAY_ENRY, QUI$_DISPLAY_JOB function codes)
QUI$_AFTER_TIME
Returns, as a quadword absolute time value, the system time at or after which the specified job can execute; however, if the time specified at submission has passed, the job executes immediately and $GETQUI returns the system time at which the job was submitted.
(Valid for QUI$_DISPLAY_ENTRY, QUI$_DISPLAY_JOB function codes)
QUI$_ASSIGNED_QUEUE_NAME
Returns, as a character string, the name of the execution queue to which the logical queue specified in the call to $GETQUI is assigned. Because the queue name can include up to 31 characters, the buffer length field of the item descriptor should specify 31 (bytes).

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