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Problem Report 0141 Details

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Report 0141 Actions

    Problem Report Number 0141
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.0141
    Raised 1994-05-17 08:00
    Updated 2003-03-13 08:00
    Published 1994-05-31 08:00
    Product Standard Internationalised System Calls and Libraries (XPG4)
    Certification Program The Open Brand certification program
    Test Suite VSX4 version 4.3.4
    Test Identification XPG4.hdr/misc/float 4
    Problem Summary TSD4.141 Strategy of test 4 involves to perform repeated multiplications, until the result overflows or equals IEEE +Infinity. For this purpose, test ignores SIGFPE and detects overflow arithmetically. Accordi...
    Problem Text
    Strategy of test 4 involves to perform repeated multiplications,
    until the result overflows or equals IEEE +Infinity.
    For this purpose, test ignores SIGFPE and detects overflow
    arithmetically.

    According to "X/Open System Interface and Headers, Issue 4", the
    behaviour of a process is undefined in this case (page 378):

    "SIG_IGN - ignore signal

    - Delivery of the signal has no effect on the process. The
    behaviour of a process is undefined after it ignores a
    SIGFPE, SIGILL or SIGSEGV signal that was not generated
    by the kill() function or the raise() function."

    Therefore the test should not rely on this technique."
    Test Output
    ************************************************************************
    /tset/XPG4.hdr/misc/float/T.float 4 Unresolved

    Test Information:
    Feature test macros: -D_XOPEN_SOURCE
    Test returned unexpected exit code 255
    Feature test macros: -D_XOPEN_SOURCE -D_POSIX_SOURCE
    Test returned unexpected exit code 255
    Feature test macros: -D_XOPEN_SOURCE -D_POSIX_C_SOURCE=1
    Test returned unexpected exit code 255
    Feature test macros: -D_XOPEN_SOURCE -D_POSIX_C_SOURCE=2
    Test returned unexpected exit code 255
    Feature test macros: -D_XOPEN_SOURCE -D_POSIX_SOURCE -D_POSIX_C_SOURCE=1
    Test returned unexpected exit code 255
    Feature test macros: -D_XOPEN_SOURCE -D_POSIX_SOURCE -D_POSIX_C_SOURCE=2
    Test returned unexpected exit code 255
    ************************************************************************

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    It is accepted that this is a test suite fault and it is recommended
    that a test suite deficiency be granted.

    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

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