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Problem Report 0292 Details

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Report 0292 Actions

    Problem Report Number 0292
    Submitter's Classification Specification problem
    State Resolved
    Resolution Permanent Interpretation (PIN)
    Problem Resolution ID PIN.X.0008
    Raised 1993-05-05 08:00
    Updated 2003-03-13 08:00
    Published 1993-05-19 08:00
    Product Standard Internationalised System Calls and Libraries (XPG4)
    Certification Program The Open Brand certification program
    Test Suite VSX4 version 4.2.4
    Test Identification POSIX.os/devclass/i_noncanon 14
    Specification System Interfaces and Headers Issue 4
    Location in Spec See Problem Text
    Problem Summary PIN4.008 Therefore the Interpretation Request VWG/033/191192 exists, in which the item "OPEN RESOLUTION" tells: A permanent waiver should be granted for this behaviour. The "Test Suite Status" tells: Retain do...
    Problem Text
    Therefore the Interpretation Request VWG/033/191192 exists, in which
    the item "OPEN RESOLUTION" tells:
    A permanent waiver should be granted for this behaviour.
    The "Test Suite Status" tells:
    Retain documented grey area that is agreed.
    Test Output
    400|74 14 1 17:27:35|IC Start
    200|74 14 17:27:35|TP Start
    520|74 14 11547 1 1|read() returned 9, expected 10
    220|74 14 1 17:27:57|FAIL
    410|74 14 1 17:27:57|IC End

    ************************************************************************
    /tset/POSIX.os/devclass/i_noncanon/T.i_noncanon 14 Failed
    Test Description:
    If general terminal interface supported:
    When ICANON is clear, MIN > 0, TIME > 0, and data is in the buffer
    at the time of the call to read(), then the timer is started as if
    data had been received immediately after the call to read().
    Posix Ref: Component Terminal Interface Assertion 7.1.1.7.1-35(C)

    Test Strategy:

    OPEN and initialise terminal file and loop back file
    CLEAR ICANON and ECHO in terminal control flags
    SET VMIN to READ_MIN and VTIME to 2*READ_TIME
    WRITE READ_MIN-1 characters to loop back file file using write()
    SLEEP for longer than the inter-byte timer
    WRITE 1 character to loop back file file using write()
    SLEEP for 2 seconds
    SET time out for READ_TIME/10 (half of inter-byte timer)
    READ from terminal file using read()
    VERIFY that read() returned size of data written
    VERIFY that read() was not interrupted by alarm, so read() returned
    before timer expired

    Test Information:
    read() returned 9, expected 10
    ************************************************************************

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    This is an agreed grey area and a permanent interpretation is recommended.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Permanent Interpretation (PIN)
    Review Conclusion
    A permanent interpretation is granted.

    Problem Reporting System Options:

     

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