PM77231: ALL WAYS OPEN RTYPE CORRUPTS OPEN FILE COUNT

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APAR status

  • Closed as program error.

Error description

  • See Problem Summary.
    

Local fix

  • na
    

Problem summary

  • APAR NUMBER:  PM77231
    PRODUCT:  z/TPFDF
    FUNCTIONAL AREA:  TPFDF CENTRAL DATABASE ROUTINES
    SHIPPED IN PUT:  10
    
    ABSTRACT:
    With PK59946, an OPR-DB0112 system error may occur if an
    "always open" file (ALWAYS=YES coded in DBDEF) is initially
    accessed after a non-"always open" z/TPFDF file is opened.
    
    PACKAGE CONTENTS:
    Source Segments:
    (C) tpfdf/rt/ub40.asm
    
    Object Only Binaries:
    None.
    
    Configuration Independent Binaries:
    None.
    
    Support Files:
    None.
    
    OTHER BINARIES TO BUILD: YES
    (C) <sys>/lib/libUTDF.so
    (C) <sys>/load/UTDF.so
    (C) <sys>/obj/ub40.o
    
    COMMENTS:
    A z/TPFDF file is defined as "always open" if ALWAYS=YES
    (SW02OP2, #BIT7) is specified in the DBDEF. For "always open"
    files, the processing in ub40.asm that handles the initial
    access of the file is supposed to skip the incrementing of the
    open file count (CE1DBO). However, part of the code is still
    executed which results in field CE1DBO being incorrectly set to
    zero. On a subsequent DBCLS, when the CE1DBO field is
    decremented, a value below zero may result. This can lead to an
    OPR-DB0112 system error when the ECB exits because the CE1DBO
    value is not zero.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PM77231

  • Reported component name

    ZTPFDF

  • Reported component ID

    5748F1501

  • Reported release

    110

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-11-16

  • Closed date

    2012-12-12

  • Last modified date

    2012-12-12

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    ZTPFDF

  • Fixed component ID

    5748F1501

Applicable component levels

  • R110 PSY

       UP



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Document information


More support for:

TPF
z/TPF

Software version:

110

Reference #:

PM77231

Modified date:

2012-12-12

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