Table Of Content

z/OS Version 2 Release 3 MVS Programming: Assembler Services Reference, Volume 1 (ABE-HSP) IBM SA23-1369-30 Note Before using this information and the product it supports, read the information in “Notices” on page 707. This edition applies to Version 2 Release 3 of z/OS (5650-ZOS) and to all subsequent releases and modifications until otherwise indicated in new editions. Last updated: 2019-02-16 © Copyright International Business Machines Corporation 1988, 2017. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents List of Figures................................................................................................... xxxi List of Tables...................................................................................................xxxiii About this information......................................................................................xxxv Who should use this information............................................................................................................xxxv How to use this information...................................................................................................................xxxv z/OS information.....................................................................................................................................xxxv How to send your comments to IBM.................................................................xxxvi If you have a technical problem............................................................................................................xxxvi Summary of changes......................................................................................xxxvii Summary of changes for z/OS Version 2 Release 3.............................................................................xxxvii Summary of changes for z/OS Version 2 Release 2.............................................................................xxxvii z/OS Version 2 Release 1 summary of changes...................................................................................xxxvii Chapter 1. Using the services.................................................................................1 Compatibility of MVS macros.......................................................................................................................1 Addressing mode (AMODE).........................................................................................................................2 Address space control (ASC) mode.............................................................................................................3 ALET qualification...................................................................................................................................3 User parameters.....................................................................................................................................4 Telling the system about the execution environment ................................................................................5 Specifying a macro version number............................................................................................................6 How to request a macro version using PLISTVER.................................................................................6 Register use..................................................................................................................................................7 Handling return codes and reason codes....................................................................................................8 Handling program errors........................................................................................................................8 Handling environmental and system errors...........................................................................................9 Using X-macros............................................................................................................................................9 Macro forms...............................................................................................................................................10 Conventional list form macros.............................................................................................................10 Alternative list form macros.................................................................................................................11 Coding the macros.....................................................................................................................................11 Continuation lines.................................................................................................................................13 Coding the callable services......................................................................................................................14 Including equate (EQU) statements....................................................................................................14 Link-editing linkage-assist routines.....................................................................................................15 Service summary.......................................................................................................................................15 Chapter 2. ABEND — Abnormally terminate a task................................................ 23 Description.................................................................................................................................................23 Environment.........................................................................................................................................23 Programming requirements.................................................................................................................23 Restrictions...........................................................................................................................................23 Input register information....................................................................................................................24 Output register information.................................................................................................................24 Performance implications....................................................................................................................24 Syntax...................................................................................................................................................24 Parameters...........................................................................................................................................25 ABEND codes........................................................................................................................................26 Return and reason codes.....................................................................................................................26 Example 1.............................................................................................................................................26 iii Example 2.............................................................................................................................................26 Example 3.............................................................................................................................................26 Chapter 3. ALESERV — Control entries in the access list........................................27 Description.................................................................................................................................................27 Environment.........................................................................................................................................27 Programming requirements.................................................................................................................28 Restrictions...........................................................................................................................................28 Input register information....................................................................................................................28 Output register information.................................................................................................................28 Performance implications....................................................................................................................28 Syntax...................................................................................................................................................28 Parameters...........................................................................................................................................30 ABEND codes........................................................................................................................................31 Return and reason codes.....................................................................................................................31 Example of adding an entry to a DU-AL...............................................................................................38 ALESERV - List form...................................................................................................................................38 Parameters...........................................................................................................................................38 ALESERV - Execute form............................................................................................................................38 Syntax...................................................................................................................................................38 Parameters...........................................................................................................................................40 Chapter 4. ASASYMBM and ASASYMBF — Substitute text for symbols...................41 Description.................................................................................................................................................41 Environment.........................................................................................................................................41 Programming requirements.................................................................................................................42 Restrictions...........................................................................................................................................42 Input register information....................................................................................................................42 Output register information.................................................................................................................42 Performance implications....................................................................................................................43 Syntax...................................................................................................................................................43 Parameters...........................................................................................................................................43 Return and reason codes.....................................................................................................................43 Examples of calls to ASASYMBM or ASASYMBF.................................................................................44 Chapter 5. ATTACH and ATTACHX — Create a new task..........................................45 ATTACH and ATTACHX description............................................................................................................45 Environment.........................................................................................................................................45 Programming requirements.................................................................................................................46 Restrictions...........................................................................................................................................46 Input register information....................................................................................................................46 Output register information.................................................................................................................46 Performance implications....................................................................................................................47 Syntax...................................................................................................................................................47 Parameters...........................................................................................................................................49 ABEND codes........................................................................................................................................54 Return and reason codes.....................................................................................................................54 Example 1.............................................................................................................................................55 Example 2.............................................................................................................................................55 Example 3.............................................................................................................................................55 Example 4.............................................................................................................................................55 ATTACHX—Create a new task....................................................................................................................56 Syntax...................................................................................................................................................56 Parameters...........................................................................................................................................58 Example................................................................................................................................................61 ATTACH and ATTACHX—List form..............................................................................................................61 Syntax...................................................................................................................................................61 iv Parameters...........................................................................................................................................63 ATTACH and ATTACHX—Execute form......................................................................................................63 Syntax...................................................................................................................................................64 Parameters...........................................................................................................................................66 Chapter 6. BLDMPB — Build a message parameter block.......................................69 Description.................................................................................................................................................69 Environment.........................................................................................................................................69 Programming requirements.................................................................................................................69 Restrictions...........................................................................................................................................69 Input register information....................................................................................................................69 Output register information.................................................................................................................69 Performance implications....................................................................................................................70 Syntax...................................................................................................................................................70 Parameters...........................................................................................................................................71 Return and reason codes.....................................................................................................................71 Example................................................................................................................................................71 Chapter 7. BLSABDPL — Map dump formatting exit data.......................................73 Description.................................................................................................................................................73 Environment.........................................................................................................................................73 Programming requirements.................................................................................................................73 Restrictions...........................................................................................................................................73 Register information.............................................................................................................................73 Performance implications....................................................................................................................73 Syntax...................................................................................................................................................73 Parameters...........................................................................................................................................74 Example................................................................................................................................................76 Chapter 8. BLSACBSP — Map the control block status (CBSTAT) parameter list......77 Description.................................................................................................................................................77 Environment.........................................................................................................................................77 Programming requirements.................................................................................................................77 Restrictions...........................................................................................................................................77 Register information.............................................................................................................................77 Performance implications....................................................................................................................77 Syntax...................................................................................................................................................77 Parameters...........................................................................................................................................78 Example................................................................................................................................................78 Chapter 9. BLSADSY — Map the add symptom service parameter list.....................79 Description.................................................................................................................................................79 Environment.........................................................................................................................................79 Programming requirements.................................................................................................................79 Restrictions...........................................................................................................................................79 Register information.............................................................................................................................79 Performance implications....................................................................................................................79 Syntax...................................................................................................................................................79 Parameters...........................................................................................................................................80 Example................................................................................................................................................80 Chapter 10. BLSAPCQE — Map the contention queue element (CQE) create service parameter list......................................................................................81 Description.................................................................................................................................................81 Environment.........................................................................................................................................81 Programming requirements.................................................................................................................81 v Restrictions...........................................................................................................................................81 Register information.............................................................................................................................81 Performance implications....................................................................................................................81 Syntax...................................................................................................................................................81 Parameters...........................................................................................................................................82 Example................................................................................................................................................82 Chapter 11. BLSQFXL — Map the format exit routine list (FXL)...............................83 Description.................................................................................................................................................83 Environment.........................................................................................................................................83 Programming requirements.................................................................................................................83 Restrictions...........................................................................................................................................83 Register information.............................................................................................................................83 Performance implications....................................................................................................................83 Syntax...................................................................................................................................................83 Parameters...........................................................................................................................................84 Example................................................................................................................................................84 Chapter 12. BLSQMDEF — Define a control block format model............................. 85 Description.................................................................................................................................................85 Environment.........................................................................................................................................85 Programming requirements.................................................................................................................85 Restrictions...........................................................................................................................................85 Register information.............................................................................................................................85 Performance implications....................................................................................................................85 Syntax...................................................................................................................................................85 Parameters...........................................................................................................................................87 Chapter 13. BLSQMFLD — Specify a formatting model field...................................91 Description.................................................................................................................................................91 Environment.........................................................................................................................................91 Programming requirements.................................................................................................................91 Restrictions...........................................................................................................................................91 Register information.............................................................................................................................91 Performance implications....................................................................................................................91 Syntax...................................................................................................................................................91 Parameters...........................................................................................................................................94 Examples..............................................................................................................................................99 Chapter 14. BLSQSHDR — Generate model subheader........................................ 105 Description...............................................................................................................................................105 Environment.......................................................................................................................................105 Programming requirements...............................................................................................................105 Restrictions........................................................................................................................................105 Register information...........................................................................................................................105 Performance implications..................................................................................................................105 Syntax.................................................................................................................................................105 Parameters.........................................................................................................................................106 Examples............................................................................................................................................106 Chapter 15. BLSRDRPX — Map dump record prefix..............................................107 Description...............................................................................................................................................107 Environment.......................................................................................................................................107 Programming requirements...............................................................................................................107 Restrictions........................................................................................................................................107 Register information...........................................................................................................................107 Performance implications..................................................................................................................107 vi Syntax.................................................................................................................................................107 Parameters.........................................................................................................................................108 Chapter 16. BLSRESSY — Map IPCS symbol table data........................................109 Description...............................................................................................................................................109 Environment.......................................................................................................................................109 Programming requirements...............................................................................................................109 Restrictions........................................................................................................................................109 Register information...........................................................................................................................109 Performance implications..................................................................................................................109 Syntax.................................................................................................................................................109 Parameters.........................................................................................................................................110 Example..............................................................................................................................................110 Chapter 17. BLSRNAMP — Map the name service parameter list..........................111 Description...............................................................................................................................................111 Environment.......................................................................................................................................111 Programming requirements...............................................................................................................111 Restrictions........................................................................................................................................111 Register information...........................................................................................................................111 Performance implications..................................................................................................................111 Syntax.................................................................................................................................................111 Parameters.........................................................................................................................................112 Example..............................................................................................................................................112 Chapter 18. BLSRPRD — Map dump record......................................................... 113 Description...............................................................................................................................................113 Environment.......................................................................................................................................113 Programming requirements...............................................................................................................113 Restrictions........................................................................................................................................113 Register information...........................................................................................................................113 Performance implications..................................................................................................................113 Syntax.................................................................................................................................................113 Parameters.........................................................................................................................................114 Chapter 19. BLSRPWHS — Map the WHERE service parameter list.......................115 Description...............................................................................................................................................115 Environment.......................................................................................................................................115 Programming requirements...............................................................................................................115 Restrictions........................................................................................................................................115 Register information...........................................................................................................................115 Performance implications..................................................................................................................115 Syntax.................................................................................................................................................115 Parameters.........................................................................................................................................116 Example..............................................................................................................................................116 Chapter 20. BLSRSASY — Map IPCS storage map data........................................ 117 Description...............................................................................................................................................117 Environment.......................................................................................................................................117 Programming requirements...............................................................................................................117 Restrictions........................................................................................................................................117 Register information...........................................................................................................................117 Performance implications..................................................................................................................117 Syntax.................................................................................................................................................117 Parameters.........................................................................................................................................118 Example..............................................................................................................................................118 vii Chapter 21. BLSRXMSP — Map the storage map service parameter list................119 Description...............................................................................................................................................119 Environment.......................................................................................................................................119 Programming requirements...............................................................................................................119 Restrictions........................................................................................................................................119 Register information...........................................................................................................................119 Performance implications..................................................................................................................119 Syntax.................................................................................................................................................119 Parameters.........................................................................................................................................120 Example..............................................................................................................................................120 Chapter 22. BLSRXSSP — Map the symbol service parameter list........................ 121 Description...............................................................................................................................................121 Environment.......................................................................................................................................121 Programming requirements...............................................................................................................121 Restrictions........................................................................................................................................121 Register information...........................................................................................................................121 Performance implications..................................................................................................................121 Syntax.................................................................................................................................................121 Parameters.........................................................................................................................................122 Example..............................................................................................................................................122 Chapter 23. BLSUPPR2 — Map the expanded print service parameter list............123 Description...............................................................................................................................................123 Environment.......................................................................................................................................123 Programming requirements...............................................................................................................123 Restrictions........................................................................................................................................123 Register information...........................................................................................................................123 Performance implications..................................................................................................................123 Syntax.................................................................................................................................................123 Parameters.........................................................................................................................................124 Example..............................................................................................................................................124 Chapter 24. CALL — Pass control to a control section...........................................125 CALL description......................................................................................................................................125 Environment.......................................................................................................................................125 Programming requirements...............................................................................................................125 Register information...........................................................................................................................126 Syntax.................................................................................................................................................126 Parameters.........................................................................................................................................127 Return and reason codes...................................................................................................................128 Example..............................................................................................................................................128 CALL - List form........................................................................................................................................129 Syntax.................................................................................................................................................129 Parameters.........................................................................................................................................129 CALL - Execute form................................................................................................................................129 Syntax.................................................................................................................................................130 Parameters.........................................................................................................................................130 Chapter 25. CHAP — Change dispatching priority................................................131 Description...............................................................................................................................................131 Environment.......................................................................................................................................131 Programming requirements...............................................................................................................131 Restrictions........................................................................................................................................131 Input register information..................................................................................................................131 Output register information...............................................................................................................131 viii Performance implications..................................................................................................................132 Syntax.................................................................................................................................................132 Parameters.........................................................................................................................................132 ABEND codes.....................................................................................................................................133 Return and reason codes...................................................................................................................133 Example 1...........................................................................................................................................133 Example 2...........................................................................................................................................133 Chapter 26. CnzConv -- Convert console name and ID ........................................135 Description...............................................................................................................................................135 Environment.......................................................................................................................................135 Programming requirements...............................................................................................................135 Programming considerations.............................................................................................................136 CnzConv -- List form................................................................................................................................143 Syntax.................................................................................................................................................143 Parameters.........................................................................................................................................143 CnzConv -- Execute form.........................................................................................................................144 Syntax.................................................................................................................................................144 Parameters.........................................................................................................................................145 Chapter 27. CNZTRKR — Tracking interface macro..............................................147 Description...............................................................................................................................................147 Environment.......................................................................................................................................147 Programming requirements...............................................................................................................147 Restrictions........................................................................................................................................148 Input register information..................................................................................................................148 Output register information...............................................................................................................148 Syntax.................................................................................................................................................148 Parameters.........................................................................................................................................149 ABEND codes.....................................................................................................................................149 Return and reason codes...................................................................................................................149 Chapter 28. CONVCON — Retrieve console information........................................151 Description...............................................................................................................................................151 Environment.......................................................................................................................................151 Programming requirements...............................................................................................................151 Programming considerations.............................................................................................................153 Chapter 29. CONVTOD — Convert to time-of-day clock format.............................159 Description...............................................................................................................................................159 Environment.......................................................................................................................................159 Programming requirements...............................................................................................................159 Restrictions........................................................................................................................................159 Input register information..................................................................................................................159 Output register information...............................................................................................................159 Performance implications..................................................................................................................160 Syntax.................................................................................................................................................160 Parameters.........................................................................................................................................161 ABEND codes.....................................................................................................................................163 Return and reason codes...................................................................................................................163 Example 1...........................................................................................................................................163 Example 2...........................................................................................................................................164 Example 3...........................................................................................................................................164 CONVTOD—List form...............................................................................................................................164 Syntax.................................................................................................................................................164 Parameters.........................................................................................................................................165 CONVTOD—Execute form........................................................................................................................165 ix Syntax.................................................................................................................................................165 Parameters.........................................................................................................................................166 Chapter 30. CPOOL — Perform cell pool services.................................................167 Description...............................................................................................................................................167 Environment.......................................................................................................................................167 Programming requirements...............................................................................................................167 Restrictions........................................................................................................................................167 Input register information..................................................................................................................168 Output register information...............................................................................................................168 Performance implications..................................................................................................................169 Syntax.................................................................................................................................................169 Parameters.........................................................................................................................................171 ABEND codes.....................................................................................................................................174 Return and reason codes...................................................................................................................174 Example 1...........................................................................................................................................175 Example 2...........................................................................................................................................175 Example 3...........................................................................................................................................175 Example 4...........................................................................................................................................175 Example 5...........................................................................................................................................175 CPOOL - List form....................................................................................................................................176 Syntax.................................................................................................................................................176 Parameters.........................................................................................................................................178 CPOOL - Execute form.............................................................................................................................178 Syntax.................................................................................................................................................178 Parameters.........................................................................................................................................179 Chapter 31. CPUTIMER — Provide current CPU timer value................................. 181 Description...............................................................................................................................................181 Environment.......................................................................................................................................181 Programming requirements...............................................................................................................181 Restrictions........................................................................................................................................181 Input register information..................................................................................................................181 Output register information...............................................................................................................181 Performance implications..................................................................................................................182 Syntax.................................................................................................................................................182 Parameters.........................................................................................................................................182 ABEND codes.....................................................................................................................................183 Return codes......................................................................................................................................183 Example 1...........................................................................................................................................183 Example 2...........................................................................................................................................184 Example 3...........................................................................................................................................184 Example 4...........................................................................................................................................184 Chapter 32. CSRCESRV — Compress and expand data.........................................185 Description...............................................................................................................................................185 Environment.......................................................................................................................................185 Programming requirements...............................................................................................................185 Restrictions........................................................................................................................................185 Input register information for SERVICE=QUERY...............................................................................186 Output register information for SERVICE=QUERY............................................................................186 Input register information for SERVICE=COMPRESS........................................................................186 Output register information for SERVICE=COMPRESS.....................................................................187 Input register information for SERVICE=EXPAND............................................................................187 Output register information for SERVICE=EXPAND..........................................................................188 Performance implications..................................................................................................................189 Syntax.................................................................................................................................................189 x

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Programmers who code in assembler language can use these macros to associated with an abnormal termination, allowing the user to uniquely.
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z/OS Version 2 Release 3 MVS Programming: Assembler Services Reference, Volume 1 (ABE-HSP) IBM SA23-1369-30 Note Before using this information and the product it supports, read the information in “Notices” on page 707. This edition applies to Version 2 Release 3 of z/OS (5650-ZOS) and to all subsequent releases and modifications until otherwise indicated in new editions. Last updated: 2019-02-16 © Copyright International Business Machines Corporation 1988, 2017. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents List of Figures................................................................................................... xxxi List of Tables...................................................................................................xxxiii About this information......................................................................................xxxv Who should use this information............................................................................................................xxxv How to use this information...................................................................................................................xxxv z/OS information.....................................................................................................................................xxxv How to send your comments to IBM.................................................................xxxvi If you have a technical problem............................................................................................................xxxvi Summary of changes......................................................................................xxxvii Summary of changes for z/OS Version 2 Release 3.............................................................................xxxvii Summary of changes for z/OS Version 2 Release 2.............................................................................xxxvii z/OS Version 2 Release 1 summary of changes...................................................................................xxxvii Chapter 1. Using the services.................................................................................1 Compatibility of MVS macros.......................................................................................................................1 Addressing mode (AMODE).........................................................................................................................2 Address space control (ASC) mode.............................................................................................................3 ALET qualification...................................................................................................................................3 User parameters.....................................................................................................................................4 Telling the system about the execution environment ................................................................................5 Specifying a macro version number............................................................................................................6 How to request a macro version using PLISTVER.................................................................................6 Register use..................................................................................................................................................7 Handling return codes and reason codes....................................................................................................8 Handling program errors........................................................................................................................8 Handling environmental and system errors...........................................................................................9 Using X-macros............................................................................................................................................9 Macro forms...............................................................................................................................................10 Conventional list form macros.............................................................................................................10 Alternative list form macros.................................................................................................................11 Coding the macros.....................................................................................................................................11 Continuation lines.................................................................................................................................13 Coding the callable services......................................................................................................................14 Including equate (EQU) statements....................................................................................................14 Link-editing linkage-assist routines.....................................................................................................15 Service summary.......................................................................................................................................15 Chapter 2. ABEND — Abnormally terminate a task................................................ 23 Description.................................................................................................................................................23 Environment.........................................................................................................................................23 Programming requirements.................................................................................................................23 Restrictions...........................................................................................................................................23 Input register information....................................................................................................................24 Output register information.................................................................................................................24 Performance implications....................................................................................................................24 Syntax...................................................................................................................................................24 Parameters...........................................................................................................................................25 ABEND codes........................................................................................................................................26 Return and reason codes.....................................................................................................................26 Example 1.............................................................................................................................................26 iii Example 2.............................................................................................................................................26 Example 3.............................................................................................................................................26 Chapter 3. ALESERV — Control entries in the access list........................................27 Description.................................................................................................................................................27 Environment.........................................................................................................................................27 Programming requirements.................................................................................................................28 Restrictions...........................................................................................................................................28 Input register information....................................................................................................................28 Output register information.................................................................................................................28 Performance implications....................................................................................................................28 Syntax...................................................................................................................................................28 Parameters...........................................................................................................................................30 ABEND codes........................................................................................................................................31 Return and reason codes.....................................................................................................................31 Example of adding an entry to a DU-AL...............................................................................................38 ALESERV - List form...................................................................................................................................38 Parameters...........................................................................................................................................38 ALESERV - Execute form............................................................................................................................38 Syntax...................................................................................................................................................38 Parameters...........................................................................................................................................40 Chapter 4. ASASYMBM and ASASYMBF — Substitute text for symbols...................41 Description.................................................................................................................................................41 Environment.........................................................................................................................................41 Programming requirements.................................................................................................................42 Restrictions...........................................................................................................................................42 Input register information....................................................................................................................42 Output register information.................................................................................................................42 Performance implications....................................................................................................................43 Syntax...................................................................................................................................................43 Parameters...........................................................................................................................................43 Return and reason codes.....................................................................................................................43 Examples of calls to ASASYMBM or ASASYMBF.................................................................................44 Chapter 5. ATTACH and ATTACHX — Create a new task..........................................45 ATTACH and ATTACHX description............................................................................................................45 Environment.........................................................................................................................................45 Programming requirements.................................................................................................................46 Restrictions...........................................................................................................................................46 Input register information....................................................................................................................46 Output register information.................................................................................................................46 Performance implications....................................................................................................................47 Syntax...................................................................................................................................................47 Parameters...........................................................................................................................................49 ABEND codes........................................................................................................................................54 Return and reason codes.....................................................................................................................54 Example 1.............................................................................................................................................55 Example 2.............................................................................................................................................55 Example 3.............................................................................................................................................55 Example 4.............................................................................................................................................55 ATTACHX—Create a new task....................................................................................................................56 Syntax...................................................................................................................................................56 Parameters...........................................................................................................................................58 Example................................................................................................................................................61 ATTACH and ATTACHX—List form..............................................................................................................61 Syntax...................................................................................................................................................61 iv Parameters...........................................................................................................................................63 ATTACH and ATTACHX—Execute form......................................................................................................63 Syntax...................................................................................................................................................64 Parameters...........................................................................................................................................66 Chapter 6. BLDMPB — Build a message parameter block.......................................69 Description.................................................................................................................................................69 Environment.........................................................................................................................................69 Programming requirements.................................................................................................................69 Restrictions...........................................................................................................................................69 Input register information....................................................................................................................69 Output register information.................................................................................................................69 Performance implications....................................................................................................................70 Syntax...................................................................................................................................................70 Parameters...........................................................................................................................................71 Return and reason codes.....................................................................................................................71 Example................................................................................................................................................71 Chapter 7. BLSABDPL — Map dump formatting exit data.......................................73 Description.................................................................................................................................................73 Environment.........................................................................................................................................73 Programming requirements.................................................................................................................73 Restrictions...........................................................................................................................................73 Register information.............................................................................................................................73 Performance implications....................................................................................................................73 Syntax...................................................................................................................................................73 Parameters...........................................................................................................................................74 Example................................................................................................................................................76 Chapter 8. BLSACBSP — Map the control block status (CBSTAT) parameter list......77 Description.................................................................................................................................................77 Environment.........................................................................................................................................77 Programming requirements.................................................................................................................77 Restrictions...........................................................................................................................................77 Register information.............................................................................................................................77 Performance implications....................................................................................................................77 Syntax...................................................................................................................................................77 Parameters...........................................................................................................................................78 Example................................................................................................................................................78 Chapter 9. BLSADSY — Map the add symptom service parameter list.....................79 Description.................................................................................................................................................79 Environment.........................................................................................................................................79 Programming requirements.................................................................................................................79 Restrictions...........................................................................................................................................79 Register information.............................................................................................................................79 Performance implications....................................................................................................................79 Syntax...................................................................................................................................................79 Parameters...........................................................................................................................................80 Example................................................................................................................................................80 Chapter 10. BLSAPCQE — Map the contention queue element (CQE) create service parameter list......................................................................................81 Description.................................................................................................................................................81 Environment.........................................................................................................................................81 Programming requirements.................................................................................................................81 v Restrictions...........................................................................................................................................81 Register information.............................................................................................................................81 Performance implications....................................................................................................................81 Syntax...................................................................................................................................................81 Parameters...........................................................................................................................................82 Example................................................................................................................................................82 Chapter 11. BLSQFXL — Map the format exit routine list (FXL)...............................83 Description.................................................................................................................................................83 Environment.........................................................................................................................................83 Programming requirements.................................................................................................................83 Restrictions...........................................................................................................................................83 Register information.............................................................................................................................83 Performance implications....................................................................................................................83 Syntax...................................................................................................................................................83 Parameters...........................................................................................................................................84 Example................................................................................................................................................84 Chapter 12. BLSQMDEF — Define a control block format model............................. 85 Description.................................................................................................................................................85 Environment.........................................................................................................................................85 Programming requirements.................................................................................................................85 Restrictions...........................................................................................................................................85 Register information.............................................................................................................................85 Performance implications....................................................................................................................85 Syntax...................................................................................................................................................85 Parameters...........................................................................................................................................87 Chapter 13. BLSQMFLD — Specify a formatting model field...................................91 Description.................................................................................................................................................91 Environment.........................................................................................................................................91 Programming requirements.................................................................................................................91 Restrictions...........................................................................................................................................91 Register information.............................................................................................................................91 Performance implications....................................................................................................................91 Syntax...................................................................................................................................................91 Parameters...........................................................................................................................................94 Examples..............................................................................................................................................99 Chapter 14. BLSQSHDR — Generate model subheader........................................ 105 Description...............................................................................................................................................105 Environment.......................................................................................................................................105 Programming requirements...............................................................................................................105 Restrictions........................................................................................................................................105 Register information...........................................................................................................................105 Performance implications..................................................................................................................105 Syntax.................................................................................................................................................105 Parameters.........................................................................................................................................106 Examples............................................................................................................................................106 Chapter 15. BLSRDRPX — Map dump record prefix..............................................107 Description...............................................................................................................................................107 Environment.......................................................................................................................................107 Programming requirements...............................................................................................................107 Restrictions........................................................................................................................................107 Register information...........................................................................................................................107 Performance implications..................................................................................................................107 vi Syntax.................................................................................................................................................107 Parameters.........................................................................................................................................108 Chapter 16. BLSRESSY — Map IPCS symbol table data........................................109 Description...............................................................................................................................................109 Environment.......................................................................................................................................109 Programming requirements...............................................................................................................109 Restrictions........................................................................................................................................109 Register information...........................................................................................................................109 Performance implications..................................................................................................................109 Syntax.................................................................................................................................................109 Parameters.........................................................................................................................................110 Example..............................................................................................................................................110 Chapter 17. BLSRNAMP — Map the name service parameter list..........................111 Description...............................................................................................................................................111 Environment.......................................................................................................................................111 Programming requirements...............................................................................................................111 Restrictions........................................................................................................................................111 Register information...........................................................................................................................111 Performance implications..................................................................................................................111 Syntax.................................................................................................................................................111 Parameters.........................................................................................................................................112 Example..............................................................................................................................................112 Chapter 18. BLSRPRD — Map dump record......................................................... 113 Description...............................................................................................................................................113 Environment.......................................................................................................................................113 Programming requirements...............................................................................................................113 Restrictions........................................................................................................................................113 Register information...........................................................................................................................113 Performance implications..................................................................................................................113 Syntax.................................................................................................................................................113 Parameters.........................................................................................................................................114 Chapter 19. BLSRPWHS — Map the WHERE service parameter list.......................115 Description...............................................................................................................................................115 Environment.......................................................................................................................................115 Programming requirements...............................................................................................................115 Restrictions........................................................................................................................................115 Register information...........................................................................................................................115 Performance implications..................................................................................................................115 Syntax.................................................................................................................................................115 Parameters.........................................................................................................................................116 Example..............................................................................................................................................116 Chapter 20. BLSRSASY — Map IPCS storage map data........................................ 117 Description...............................................................................................................................................117 Environment.......................................................................................................................................117 Programming requirements...............................................................................................................117 Restrictions........................................................................................................................................117 Register information...........................................................................................................................117 Performance implications..................................................................................................................117 Syntax.................................................................................................................................................117 Parameters.........................................................................................................................................118 Example..............................................................................................................................................118 vii Chapter 21. BLSRXMSP — Map the storage map service parameter list................119 Description...............................................................................................................................................119 Environment.......................................................................................................................................119 Programming requirements...............................................................................................................119 Restrictions........................................................................................................................................119 Register information...........................................................................................................................119 Performance implications..................................................................................................................119 Syntax.................................................................................................................................................119 Parameters.........................................................................................................................................120 Example..............................................................................................................................................120 Chapter 22. BLSRXSSP — Map the symbol service parameter list........................ 121 Description...............................................................................................................................................121 Environment.......................................................................................................................................121 Programming requirements...............................................................................................................121 Restrictions........................................................................................................................................121 Register information...........................................................................................................................121 Performance implications..................................................................................................................121 Syntax.................................................................................................................................................121 Parameters.........................................................................................................................................122 Example..............................................................................................................................................122 Chapter 23. BLSUPPR2 — Map the expanded print service parameter list............123 Description...............................................................................................................................................123 Environment.......................................................................................................................................123 Programming requirements...............................................................................................................123 Restrictions........................................................................................................................................123 Register information...........................................................................................................................123 Performance implications..................................................................................................................123 Syntax.................................................................................................................................................123 Parameters.........................................................................................................................................124 Example..............................................................................................................................................124 Chapter 24. CALL — Pass control to a control section...........................................125 CALL description......................................................................................................................................125 Environment.......................................................................................................................................125 Programming requirements...............................................................................................................125 Register information...........................................................................................................................126 Syntax.................................................................................................................................................126 Parameters.........................................................................................................................................127 Return and reason codes...................................................................................................................128 Example..............................................................................................................................................128 CALL - List form........................................................................................................................................129 Syntax.................................................................................................................................................129 Parameters.........................................................................................................................................129 CALL - Execute form................................................................................................................................129 Syntax.................................................................................................................................................130 Parameters.........................................................................................................................................130 Chapter 25. CHAP — Change dispatching priority................................................131 Description...............................................................................................................................................131 Environment.......................................................................................................................................131 Programming requirements...............................................................................................................131 Restrictions........................................................................................................................................131 Input register information..................................................................................................................131 Output register information...............................................................................................................131 viii Performance implications..................................................................................................................132 Syntax.................................................................................................................................................132 Parameters.........................................................................................................................................132 ABEND codes.....................................................................................................................................133 Return and reason codes...................................................................................................................133 Example 1...........................................................................................................................................133 Example 2...........................................................................................................................................133 Chapter 26. CnzConv -- Convert console name and ID ........................................135 Description...............................................................................................................................................135 Environment.......................................................................................................................................135 Programming requirements...............................................................................................................135 Programming considerations.............................................................................................................136 CnzConv -- List form................................................................................................................................143 Syntax.................................................................................................................................................143 Parameters.........................................................................................................................................143 CnzConv -- Execute form.........................................................................................................................144 Syntax.................................................................................................................................................144 Parameters.........................................................................................................................................145 Chapter 27. CNZTRKR — Tracking interface macro..............................................147 Description...............................................................................................................................................147 Environment.......................................................................................................................................147 Programming requirements...............................................................................................................147 Restrictions........................................................................................................................................148 Input register information..................................................................................................................148 Output register information...............................................................................................................148 Syntax.................................................................................................................................................148 Parameters.........................................................................................................................................149 ABEND codes.....................................................................................................................................149 Return and reason codes...................................................................................................................149 Chapter 28. CONVCON — Retrieve console information........................................151 Description...............................................................................................................................................151 Environment.......................................................................................................................................151 Programming requirements...............................................................................................................151 Programming considerations.............................................................................................................153 Chapter 29. CONVTOD — Convert to time-of-day clock format.............................159 Description...............................................................................................................................................159 Environment.......................................................................................................................................159 Programming requirements...............................................................................................................159 Restrictions........................................................................................................................................159 Input register information..................................................................................................................159 Output register information...............................................................................................................159 Performance implications..................................................................................................................160 Syntax.................................................................................................................................................160 Parameters.........................................................................................................................................161 ABEND codes.....................................................................................................................................163 Return and reason codes...................................................................................................................163 Example 1...........................................................................................................................................163 Example 2...........................................................................................................................................164 Example 3...........................................................................................................................................164 CONVTOD—List form...............................................................................................................................164 Syntax.................................................................................................................................................164 Parameters.........................................................................................................................................165 CONVTOD—Execute form........................................................................................................................165 ix Syntax.................................................................................................................................................165 Parameters.........................................................................................................................................166 Chapter 30. CPOOL — Perform cell pool services.................................................167 Description...............................................................................................................................................167 Environment.......................................................................................................................................167 Programming requirements...............................................................................................................167 Restrictions........................................................................................................................................167 Input register information..................................................................................................................168 Output register information...............................................................................................................168 Performance implications..................................................................................................................169 Syntax.................................................................................................................................................169 Parameters.........................................................................................................................................171 ABEND codes.....................................................................................................................................174 Return and reason codes...................................................................................................................174 Example 1...........................................................................................................................................175 Example 2...........................................................................................................................................175 Example 3...........................................................................................................................................175 Example 4...........................................................................................................................................175 Example 5...........................................................................................................................................175 CPOOL - List form....................................................................................................................................176 Syntax.................................................................................................................................................176 Parameters.........................................................................................................................................178 CPOOL - Execute form.............................................................................................................................178 Syntax.................................................................................................................................................178 Parameters.........................................................................................................................................179 Chapter 31. CPUTIMER — Provide current CPU timer value................................. 181 Description...............................................................................................................................................181 Environment.......................................................................................................................................181 Programming requirements...............................................................................................................181 Restrictions........................................................................................................................................181 Input register information..................................................................................................................181 Output register information...............................................................................................................181 Performance implications..................................................................................................................182 Syntax.................................................................................................................................................182 Parameters.........................................................................................................................................182 ABEND codes.....................................................................................................................................183 Return codes......................................................................................................................................183 Example 1...........................................................................................................................................183 Example 2...........................................................................................................................................184 Example 3...........................................................................................................................................184 Example 4...........................................................................................................................................184 Chapter 32. CSRCESRV — Compress and expand data.........................................185 Description...............................................................................................................................................185 Environment.......................................................................................................................................185 Programming requirements...............................................................................................................185 Restrictions........................................................................................................................................185 Input register information for SERVICE=QUERY...............................................................................186 Output register information for SERVICE=QUERY............................................................................186 Input register information for SERVICE=COMPRESS........................................................................186 Output register information for SERVICE=COMPRESS.....................................................................187 Input register information for SERVICE=EXPAND............................................................................187 Output register information for SERVICE=EXPAND..........................................................................188 Performance implications..................................................................................................................189 Syntax.................................................................................................................................................189 x

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Programmers who code in assembler language can use these macros to associated with an abnormal termination, allowing the user to uniquely.
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