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Problem Report 0807 Details

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Report 0807 Actions

    Problem Report Number 0807
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.0322
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published 1996-09-12 08:00
    Product Standard Commands and Utilities V2 (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSC version 4.1.5
    Test Identification POSIX.cmd/kill 19
    Problem Summary TSD4C.00189 This test may fail on multi-processor implementations.
    Problem Text
    It appears that kill number 19 may fail because all background processes
    are writing to the same output file with apparantly no serialization.

    When NewProcGroup sh ./kill_scr_19_2 is run outside of the suite
    without redirecting stdout, in all cases all of the TERM_* strings
    were written to stdout.

    When stdout is redirected to a file, not all of the TERM_* strings
    were in the output file, yet all processes were killed.

    It appears that the background processes that are created
    may overwrite strings previously written to the output file.

    The proposed change is in the following line:
    NewProcGroup sh ./kill_scr_19_2 > kill_out_19_1 2> /dev/null
    to
    NewProcGroup sh ./kill_scr_19_2 >> kill_out_19_1 2> /dev/null

    This will guarantee that the output file is opened with the
    O_APPEND flag.
    Test Output
    400|175 19 1 15:19:04|IC Start
    200|175 1 15:19:05|TP Start
    520|175 1 776732681 1 1|Assertion #19 (A): kill 0
    520|175 1 776732681 1 11|Expected TERM_0, TERM_1, TERM_2 and TERM_3 in this fil
    520|175 1 776732681 1 12| <LC> e:
    520|175 1 776732681 1 13|Contents of kill_out_19_1:
    520|175 1 776732681 1 14|TERM_1
    520|175 1 776732681 1 15|TERM_2
    520|175 1 776732681 1 16|TERM_3
    220|175 1 1 15:19:57|FAIL
    410|175 19 1 15:19:58|IC End

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    We agree this is a test suite deficiency in the test
    suite version(s) listed.

    This TSD does not apply to Uni-processor implementations.

    This TSD only applies to multi-processor implementations and
    may be granted for implementations that generate garbled output
    too.


    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Test Suite Deficiency (TSD)
    Review Conclusion
    This is an agreed Test Suite Deficiency.

    Problem Reporting System Options:

     

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