[Bug 243103] fork fails to clone open message queue handles into the child process (in violation of POSIX std.)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Jan 5 06:38:50 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243103

--- Comment #6 from Warner Losh <imp at FreeBSD.org> ---
This bug appears to date back to r110908 (2003) where alfred failed to tag
mqueue as a passable fd type and then r223866 (2011) by jonathan used the new
flag in fdcopy, which fork uses which is where mqueuefs actually broke this
test case. so FreeBSD 8 had it still working but FreeBSD 9 and newer didn't.

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