Fix locking problem on Linux port #5877
Open
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As per the fcntl(2) manpage, EACCES can also be returned to indicate lock contention. This needs to be returned properly to DOS.
What issue(s) does this PR address?
Without this change file locking is broken on Linux.
Does this PR introduce any breaking change(s)?
Hopefully just a fixing change ;-)
Additional information
This bug is minor, and mostly this project has been a dream to use. Thanks for all your hard work!