Re: DM commands CV and RO

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1 total messages Started by Nathaniel Mishkin Mon, 03 Mar 1986 17:00

#125

Author: Nathaniel Mishkin
Date: Mon, 03 Mar 1986 17:00

16 lines
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    I am also curious to know how the DM commands "ro" and "cv" work.

The file_modified variable is maintained completely within the DM.  I.e.
it's an attribute of the "pad" not the file.  Since the DM does not use
the pad_$ calls to implement CV (or any of the other DM commands), it
can do whatever it pleases.  As to why the semantics of the
pad_$create[_window] calls differ from CV/CE in the interpretation of
read-only/modified flags, that's a longer story, that I think is
probably not worth going into.

                -- Nat Mishkin (with help from Jim Hamilton)
                   Apollo Computer
                   apollo!yale

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