How are the values for
System.Exception.HResult generated on non-Windows platforms?
In my scenario I try to catch
IOException only when the file is locked by another process. The value of
0x80070020 on Windows and
0x0000000B on Linux, which would make sense as Windows and Linux use different error codes.
However when I try to open a nonexistent file the
0x8007002 on both platforms, which also would make sense for code sharing.
Is there a specified behavior for
HResult on non-Windows platforms (so one of the above is a probably a bug?) or should we not bother to rely on
HResult in cross-platform code?
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