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APAR NUMBER:  PJ28667
PRODUCT:  TPF4
FUNCTIONAL AREA:  ISO-C SUPPORT
SHIPPED IN PUT:  18


ABSTRACT:
Customize throttling code in CLIB.

APAR CONTENTS:
FEATURE   TYPE                STATUS    NAME
Base      Macro               Changed   macro/sip/sppgml.mac
Base      Copy                Changed   salin/ibmpal.cpy
Base      Assembler           Changed   source/rt/base/clib.asm
Base      Assembler           New       source/rt/base/ulib.asm

PREREQUISITE APARS:  To be applied in order listed.
Base      Macro               Changed   macro/sip/sppgml.mac
 PJ25199(09)  PJ25425(09)  PJ25632(09)  PJ25614(09)
 PJ25589(09)
 PJ25703(09)  PJ25720(09)  PJ25332(09)  PJ25760(09)
 PJ25763(09)
 PJ25781(09)  PJ25780(09)  PJ25817(09)  PJ25982(10)
 PJ25983(10)
 PJ25981(10)  PJ26125(10)  PJ25880(10)  PJ26150(10)
 PJ26187(10)
 PJ26008(10)  PJ26156(10)  PJ26161(10)  PJ26188(10)
 PJ26174(10)
 PJ26270(10)  PJ26337(10)  PJ26374(10)  PJ26366(11)
 PJ26283(11)
 PJ25761(11)  PJ26515(11)  PJ26575(11)  PJ26577(11)
 PJ26534(11)
 PJ26683(11)  PJ26522(11)  PJ26713(11)  PJ26600(11)
 PJ26581(11)
 PJ26666(11)  PJ26693(11)  PJ26686(11)  PJ26809(11)
 PJ26707(11)
 PJ26864(12)  PJ26892(12)  PJ26746(12)  PJ26793(12)
 PJ26841(12)
 PJ26887(12)  PJ26967(12)  PJ27023(12)  PJ27028(12)
 PJ21337(12)
 PJ26904(12)  PJ26890(12)  PJ27079(12)  PJ26895(12)
 PJ27156(12)
 PJ27095(12)  PJ27197(13)  PJ27246(13)  PJ27305(13)  PJ27345(13)
 PJ27231(13)  PJ27277(13)  PJ27351(13)  PJ27387(13)  PJ27328(13)
 PJ27383(13)  PJ27083(13)  PJ27299(13)  PJ27302(13)  PJ27268(13)
 PJ27333(13)  PJ27214(13)  PJ27393(13)  PJ27422(13)  PJ27180(13)
 PJ27469(13)  PJ27094(14)  PJ27430(14)  PJ27636(14)  PJ27380(14)
 PJ27491(14)  PJ27647(14)  PJ27714(14)  PJ27484(14)  PJ27530(14)
 PJ27627(14)  PJ27650(14)  PJ27617(14)  PJ27686(14)  PJ27634(14)
 PJ27804(14)  PJ27746(14)  PJ27784(14)  PJ27865(14)  PJ27894(14)
 PJ27786(15)  PJ27847(15)  PJ27951(15)  PJ27863(15)  PJ27905(15)
 PJ27954(15)  PJ27848(15)  PJ27932(15)  PJ27728(15)  PJ27925(15)
 PJ28029(15)  PJ28021(15)  PJ28108(15)  PJ28097(15)  PJ27785(15)
 PJ28136(15)  PJ28118(15)  PJ27966(15)  PJ28229(16)  PJ28286(16)
 PJ28266(16)  PJ28140(16)  PJ28168(16)  PJ28195(16)  PJ28020(16)
 PJ28213(16)  PJ28396(16)  PJ28386(16)  PJ28435(16)  PJ28503(16)
 PJ28499(17)  PJ28621(17)  PJ28586(17)  PJ28623(17)  PJ28493(17)
 PJ28649(17)  PJ28766(17)  PJ28757(17)  PJ28759(17)  PJ28758(17)
 PJ28765(17)  PJ28785(17)  PJ28810(17)  PJ28809(17)  PJ28129(17)
 PJ29089(17)
Base      Copy                Changed   salin/ibmpal.cpy
 PJ25442(09)  PJ25425(09)  PJ25632(09)  PJ25444(09)
 PJ25589(09)
 PJ25703(09)  PJ25720(09)  PJ25684(09)  PJ25332(09)
 PJ25760(09)
 PJ25781(09)  PJ25780(09)  PJ25953(10)  PJ25982(10)
 PJ25983(10)
 PJ25981(10)  PJ26125(10)  PJ25880(10)  PJ26150(10)
 PJ26187(10)
 PJ26161(10)  PJ26188(10)  PJ26174(10)  PJ26350(10)
 PJ26365(11)
 PJ26366(11)  PJ26283(11)  PJ26384(11)  PJ26516(11)
 PJ26468(11)
 PJ26575(11)  PJ26577(11)  PJ26534(11)  PJ26685(11)
 PJ26683(11)
 PJ26713(11)  PJ26600(11)  PJ26581(11)  PJ26693(11)
 PJ26686(11)
 PJ26707(11)  PJ26782(12)  PJ26781(12)  PJ26864(12)
 PJ26892(12)
 PJ27023(12)  PJ27028(12)  PJ21337(12)  PJ26904(12)
 PJ26890(12)
 PJ27079(12)  PJ27095(12)  PJ27073(13)  PJ27197(13)  PJ27246(13)
 PJ27305(13)  PJ27231(13)  PJ27277(13)  PJ27387(13)  PJ27383(13)
 PJ27083(13)  PJ27268(13)  PJ27333(13)  PJ27214(13)  PJ27393(13)
 PJ27422(13)  PJ27469(13)  PJ27430(14)  PJ27636(14)  PJ27491(14)
 PJ27647(14)  PJ27484(14)  PJ27530(14)  PJ27627(14)  PJ27650(14)
 PJ27617(14)  PJ27686(14)  PJ27634(14)  PJ27804(14)  PJ27784(14)
 PJ27786(15)  PJ27847(15)  PJ27951(15)  PJ27863(15)  PJ27905(15)
 PJ27848(15)  PJ27932(15)  PJ27728(15)  PJ28119(15)  PJ28097(15)
 PJ27785(15)  PJ28118(15)  PJ27966(15)  PJ28169(16)  PJ28266(16)
 PJ28140(16)  PJ28369(16)  PJ28195(16)  PJ28213(16)  PJ28396(16)
 PJ28435(16)  PJ28499(17)  PJ28631(17)  PJ28649(17)  PJ28757(17)
 PJ28759(17)  PJ28758(17)  PJ28810(17)  PJ28809(17)  PJ28129(17)
Base      Assembler           Changed   source/rt/base/clib.asm
 PJ25425(09)  PJ25807(10)  PJ26283(11)


COMMENTS:
The throttling code in segment CLIB may have various impacts to system
performance, and different environments may require various settings
and checks to prevent I/O bottlenecks.


SOLUTION:
The throttling code is removed from segment CLIB and placed in user
exit ULIB.


DEPENDENCIES


SEGMENTS TO BE ASSEMBLED OR COMPILED:
None.


SEGMENTS TO BE LINK EDITED:
None.

COREQS:
None.


MIGRATION CONSIDERATIONS:
None.

DOWNLOAD INSTRUCTIONS:
http://www.ibm.com/software/htp/tpf/pages/maint

-- END APAR PJ28667




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