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Problem Report 1282 Details

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Report 1282 Actions

    Problem Report Number 1282
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.0564
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published 1998-08-10 08:00
    Product Standard Internationalised System Calls and Libraries Extended V2 (UNIX 98)
    Certification Program The Open Brand certification program
    Test Suite VSU version 5.0.2
    Test Identification CAPIbase/readv 71
    Problem Summary TSD4U.00254 This test may fail on an implementation that supports neither a 64-bit build nor execution enviroment.
    Problem Text

    This test passes if you eliminate the XBS5_LP64_OFF64 and
    XBS5_LPBIG_OFFBIG test environments which are not supported on the
    implementation under test. However, because of a bug in the
    test suite, the test is proceeding as if these are supported. The
    problem contributing to this failure was previously addressed by
    TSD4U.00225 in which it is agreed that the makefile needs to be
    updated to test for -1 or "undefined", rather than -1 or "unsupported".
    Because the makefile is currently checking for "unsupported", rather
    than "undefined", make continues its attempt to build t71smloff3 and
    t71smloff4 (via getconf XBS5_LP64_OFF64_CFLAGS and
    XBS5_LPBIG_OFFBIG_CFLAGS options). This succeeds on this particular
    implementation because we return a null string for these constants
    (as per XSH5 which states that these must be valid for getconf even
    if the support does not exist). Remember that the application should
    first check support for XBS5_LP64_OFF64 and XBS5_LPBIG_OFFBIG.
    So the t71smloff3 and t71smloff4 binaries are actually getting
    created as default 32-bit, off32 binaries. This in turn is resulting
    in the failures for the non-supported XBS5_ILP64_OFF64 and
    XBS5_LPBIG_OFFBIG environments.

    Test Output

    TEST CASE: readv

    TEST PURPOSE #71
    If the implementation allows creation of a file
    description with an offset maximum less than the
    largest size it supports for an off_t:
    EOVERFLOW in errno and return -1 on a call to ssize_t
    readv(int fildes, const struct iovec *iov, int iovcnt)
    when the file is a regular file, nbyte is greater than
    zero, the starting position is before the end of file,
    and the starting position is equal to the offset
    maximum established in the open file description
    associated with fildes.
    PREP: Check for existence of programming environments
    PREP: Obtain off_t size in XBS5_ILP32_OFF32 environment
    PREP: Obtain off_t size in XBS5_ILP32_OFFBIG environment
    PREP: Obtain off_t size in XBS5_ILP64_OFF64 environment
    PREP: Obtain off_t size in XBS5_LPBIG_OFFBIG environment
    PREP: Open communication pipe for child
    PREP: Fork a child
    PREP: Connect child's pipe to stdout
    PREP: Execute a program compiled in XBS5_ILP32_OFF32(32-bit off_t)
    environment that:
    opens a regular file
    set the offset equal to the value that can be
    represented in 32-bit off_t,
    execs program compiled in XBS5_ILP32_OFFBIG(64-bit off_t) environment,
    passing it the open file descriptor
    TEST: readv returns -1 and sets errno to EOVERFLOW when offset is the offset
    maximum
    PREP: Wait for child
    INFO: Read child's test result
    PREP: Open communication pipe for child
    PREP: Fork a child
    PREP: Connect child's pipe to stdout
    PREP: Execute a program compiled in XBS5_ILP64_OFF64(32-bit off_t)
    environment that:
    opens a regular file
    set the offset equal to the value that can be
    represented in 32-bit off_t,
    execs program compiled in XBS5_ILP32_OFFBIG(64-bit off_t) environment,
    passing it the open file descriptor
    TEST: readv returns -1 and sets errno to EOVERFLOW when offset is the offset
    maximum
    PREP: Wait for child
    INFO: Read child's test result
    ERROR: In 32-bit program: open() failed, errno = 79(Value too large for defined
    data type)
    PREP: Open communication pipe for child
    PREP: Fork a child
    PREP: Connect child's pipe to stdout
    PREP: Execute a program compiled in XBS5_LPBIG_OFFBIG(32-bit off_t)
    environment that:
    opens a regular file
    set the offset equal to the value that can be
    represented in 32-bit off_t,
    execs program compiled in XBS5_ILP32_OFFBIG(64-bit off_t) environment,
    passing it the open file descriptor
    TEST: readv returns -1 and sets errno to EOVERFLOW when offset is the offset
    maximum
    PREP: Wait for child
    INFO: Read child's test result
    ERROR: In 32-bit program: open() failed, errno = 79(Value too large for defined
    data type)
    71 UNRESOLVED

    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.

    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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