On 16/01/17 22:30, Lars wrote:
On Mon, January 16, 2017 2:34 pm, I previously wrote:
The oldschool way of opening files using the system unit (no sysutils)
has the filemode variable..
system.FileMode := fmOpenRead; ...
Assign(...
Rewrite(...
Can this be used with file locking/sharing OR-ed options like:
fmShareCompat fmShareDenyNone fmShareDenyRead fmShareDenyWrite
fmShareExclusive
Or does file locking/sharing require using sysutils unit with fileopen:
http://www.freepascal.org/docs-html/rtl/sysutils/fileopen.html
To answer my own question... Looking into the fpc rtl sources I found that
DoFileLocking is inside sysutils, so likely system unit (old school
handling of files) cannot be used with locking at this stage.
This is likely to be platform-specific once you start looking at locking
as distinct from open mode.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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