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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/26371] [RFE] please add clone3() wrapper (in particular
 the CLONE_INTO_CGROUP feature of it)
Date: Tue, 22 Sep 2020 09:45:47 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26371

--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Lennart Poettering from comment #7)
> So we do employ threads, but in very limited fashion. Primarily there are
> four uses for threads in PID 1 right now:=20

In this case, after fork, you must only call async-signal-safe functions, so
getpwnam is definitely out. This is a requirement glibc inherits from POSIX.
Any clone3 system call wrapper would have at least this restriction (and li=
kely
others).

--=20
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