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ec052fae81
It claims the issue is only relevant for shared descriptor tables which is of no concern for POSIX (but then is POSIX of concern to anyone today?), which I presume predates standarized threading. The comment also mentions the following systems: - OpenBSD installing a larval file -- they moved away from it, file is installed late and EBUSY is returned on conflict - FreeBSD returning EBADF -- reworked to install the file early like OpenBSD used to do - NetBSD "deadlocks in amusing ways" -- their solution looks Solaris-inspired (not a compliment) and I would not be particularly surprised if it indeed deadlocked, in amusing ways or otherwise I don't believe mentioning any of these adds anything and the statement about the issue not being POSIX-relevant is outdated. dup2 description in POSIX still does not mention the problem. Just shorten the comment and be done with it. Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Link: https://lore.kernel.org/r/20241205154743.1586584-1-mjguzik@gmail.com Signed-off-by: Christian Brauner <brauner@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.