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Problem Report 1262 Details

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Report 1262 Actions

    Problem Report Number 1262
    Submitter's Classification Specification problem
    State Resolved
    Resolution Rejected (REJ)
    Problem Resolution ID REJ.X.0464
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published null
    Product Standard Internationalised System Calls and Libraries Extended (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSU version 4.0.2
    Test Identification base/setrlimit 5
    Problem Summary PG4U.00001 The RLIMIT_DATA value needs to be recognized as a runtime semi-invariant value.
    Problem Text
    This issue affects the following tests

    Test Case Test Purposes

    setrlimit 5
    getrlimit 8

    The RLIMIT_DATA value needs to be recognized as a runtime
    semi-invariant value. While this value can be lowered almost
    arbitrarily, it can not, on systems that we are aware of, be
    raised above a certain limit. The hardware or software places an
    eventual limit on the maximum process size. Thus the tests
    should not be allowed to increase the RLIMIT_DATA to RLIMIT_INFINITY.
    Test Output
    setrlimit 5

    520|1 1 30306 1 6|TEST: Call to setrlimit(RLIMIT_DATA, rlp) when
    520|1 1 30306 1 7| RLIM_INFINITY is specified as the limit value
    520|1 1 30306 1 8| shall inhibit enforcement of that resource
    520|1 1 30306 1 9|ERROR: setrlimit() did not set the soft limit to
    520|1 1 30306 1 10| RLIM_INFINITY
    520|1 1 30306 1 11| Expected: -1 Received: 1073741824

    getrlimit 8

    520|1 1 28696 1 7|TEST: Call to getrlimit() with RLIMIT_DATA shall indicate
    520|1 1 28696 1 8| RLIM_INFINITY as the limit
    520|1 1 28696 1 9|ERROR: getrlimit() did not obtain soft limit as RLIM_INFINITY
    220|1 1 1 15:42:57|FAIL

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    The getrlimit spec states

    Specifying RLIM_INFINITY as any resource limit value on a
    successful call to setrlimit() inhibits enforcement of that
    resource limit.

    The key phrase here seems to us to be "successful call". If an
    implementation places some physical limit on a resource then
    a call to getrlimit(RLIM_INFINITY) for that resource should
    fail since enforcement of resource limits can not be inhibited
    in that case.

    Although the spec mandates no specific error message in this
    situation, Section 2.3 of the spec states

    Implementations may support additional errors not
    included in this list, may generate errors included in
    this list under circumstances other than those
    described here, or may contain extensions or
    limitations that prevent some errors from occurring.

    This implies the error number returned in this case is
    implementation defined.

    We recommend this request be rejected.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Rejected (REJ)
    Review Conclusion
    This request is refused.

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