Gregory Szorc wrote:
Files are opened with _fopen() in "a+" mode if it matters. I can also repro in
"a" mode.
...
Short of going full overlapped I/O
Overlapped I/O isn't supported for operations that change the valid data
length of the file.
http://blogs.msdn.com/b/oldnewthing/archive/2011/09/23/10215586.aspx
--
Warning: May contain traces of nuts.
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