9.104 GET_PROCESS_LIST

Note: Built-In Function Rules     Usage Options

Retrieves a list of processes and their descriptions from the LANSA internal database and returns them to the calling RDML function in a variable length, working list

This is a Specialized Built-In Function for use in a Development Environment only.

Arguments

No

Type

Req/ Opt

Description

Min Len

Max Len

Min Dec

Max Dec

1

A

Req

Positioning process value. The returned list starts with the first process from the dictionary whose name is greater than the value passed in this argument.

1

10



Return Values

No

Type

Req/ Opt

Description

Min Len

Max Len

Min Dec

Max Dec

1

L

Req

Working list to contain Process information.

List must not be more than:
32767 entries in Windows
9999 entries on IBM i.

The calling RDML function must provide a working list with an aggregate entry length of exactly 60 bytes.

Each returned list entry is formatted as follows:

From - To   Description

1 - 10   Process name

11 - 50   Description

51 - 60   <<future expansion>>

60

60



2

A

Opt

Last process in returned list Typically this value is used as the positioning argument on a subsequent calls to this Built-In Function.

1

10



3

A

Opt

Return code.

OK = list returned partially or completely filled with process details. No more processes exist beyond those returned in the list.

OV = list returned completely filled, but more processes than could fit in the list exist. Typically used to indicate "more" processes in page at a time style list displays.

NR = list was returned empty. Last process in the list is returned as blanks.

2

2



Example

A program can be created, using this function, to compile a series of processes in an overnight job.

     FUNCTION OPTIONS(*DIRECT)
     DEFINE FIELD(#STARTPRC) REFFLD(#PROCESS) DESC('Start Search with:')
     DEFINE FIELD(#LASTPRC) REFFLD(#PROCESS) DESC('Last retrieved:')
     DEFINE FIELD(#SPARE) REFFLD(#PROCESS)
     OVERRIDE FIELD(#STD_INSTR) COLHDG('Name (Description)')
     OVERRIDE FIELD(#STD_CMPAR) DESC('Return Code (OV,OK or NR)')
     DEF_LIST NAME(#PRCLST) FIELDS(#PROCESS #PARTDESC #SPARE) TYPE(*WORKING) ENTRYS(14)
     DEF_LIST NAME(#BRWLST) FIELDS((#STD_INSTR *NOID))
     *
     CHANGE FIELD(#LASTPRC #STD_CMPAR) TO(*BLANKS)
     *
     BEGIN_LOOP
     REQUEST FIELDS(#STARTPRC #LASTPRC (#STD_CMPAR *OUT)) IDENTIFY(*DESC) BROWSELIST(#BRWLST)
     IF COND('#lastprc *ne #blanks')
     CHANGE FIELD(#STARTPRC) TO(#lastprc)
     ENDIF
     CLR_LIST NAMED(#PRCLST)
     USE BUILTIN(GET_PROCESS_LIST) WITH_ARGS(#STARTPRC) TO_GET(#PRCLST #LASTPRC #STD_CMPAR)
     CASE OF_FIELD(#STD_CMPAR)
     WHEN VALUE_IS('= OV')
     CLR_LIST NAMED(#BRWLST)
     SELECTLIST NAMED(#PRCLST)
     USE BUILTIN(BCONCAT) WITH_ARGS(#PROCESS '(' #PARTDESC ')') TO_GET(#STD_INSTR)
     ADD_ENTRY TO_LIST(#BRWLST)
     ENDSELECT
     WHEN VALUE_IS('= OK')
     MESSAGE MSGTXT('No more matching process names')
     CHANGE FIELD(#LASTPRC) TO(#BLANKS)
     WHEN VALUE_IS('= ER')
     MESSAGE MSGTXT('No process names matching search')
     ENDCASE
     END_LOOP
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