[Bug 240767] linprocfs(4) - /proc/fd is weird
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Mon Jan 13 12:51:45 UTC 2020
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240767
--- Comment #1 from Edward Tomasz Napierala <trasz at FreeBSD.org> ---
So, the way it works right now is that for current process - and that process
only - linprocfs provides a symlink from /proc/self/fd to /dev/fd.
Making this work properly would require adding file descriptor knowledge to
procfs itself; possibly to pseudofs.
The current behaviour breaks tty(1) and a recent screen(1).
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