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From: Helge Kreutzmann <debian@helgefjell.de>
To: mtk.manpages@gmail.com
Cc: linux-man@vger.kernel.org
Subject: Errors in man pages, here: mmap.2, wording
Date: Mon, 6 Jul 2020 12:14:14 +0200	[thread overview]
Message-ID: <20200706101414.GA26601@Debian-50-lenny-64-minimal> (raw)

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Dear linux man page maintainer,
the manpage-l10n project maintains a large number of translations of
man pages both from a large variety of sources (including linux man
pages) as well for a large variety of target languages.

During their work translators notice different possible issues in the
original (english) man pages. Sometimes this is a straightforward
typo, sometimes a hard to read sentence, sometimes this is a
convention not held up and sometimes we simply do not understand the
original.

We use several distributions as sources and update regularly (at
least every 2 month). This means we are fairly recent (some
distributions like archlinux also update frequently) but might miss
the latest upstream version once in a while, so the error might be
already fixed. We apologize and ask you to close the issue immediately
if this should be the case, but given the huge volume of projects and
the very limited number of volunteers we are not able to double check
each and every issue.

Secondly we translators see the manpages in the neutral po format,
i.e. converted and harmonized, but not the original source (be it man,
groff, xml or other). So we cannot provide a true patch (where
possible), but only an approximation which you need to convert into
your source format.

Finally the issues I'm reporting have accumulated over time and are
not always discovered by me, so sometimes my description of the
problem my be a bit limited - do not hesitate to ask so we can clarify
them.

I'm now reporting the errors for your project. If future reports
should use another channel, please let me know.

**

Man page: mmap.2
Issue: and in order  → in order

"For example, suppose that thread A looks through I</proc/E<lt>pidE<gt>/maps> "
"and in order to locate an unused address range that it can map using "
"B<MAP_FIXED>, while thread B simultaneously acquires part or all of that "
"same address range.  When thread A subsequently employs B<mmap(MAP_FIXED)>, "
"it will effectively clobber the mapping that thread B created.  In this "
"scenario, thread B need not create a mapping directly; simply making a "
"library call that, internally, uses B<dlopen>(3)  to load some other shared "
"library, will suffice.  The B<dlopen>(3)  call will map the library into the "
"process's address space.  Furthermore, almost any library call may be "
"implemented in a way that adds memory mappings to the address space, either "
"with this technique, or by simply allocating memory.  Examples include "
"B<brk>(2), B<malloc>(3), B<pthread_create>(3), and the PAM libraries E<.UR "
"http://www.linux-pam.org> E<.UE .>"

-- 
      Dr. Helge Kreutzmann                     debian@helgefjell.de
           Dipl.-Phys.                   http://www.helgefjell.de/debian.php
        64bit GNU powered                     gpg signed mail preferred
           Help keep free software "libre": http://www.ffii.de/

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             reply	other threads:[~2020-07-06 10:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-06 10:14 Helge Kreutzmann [this message]
2020-07-06 10:39 ` Errors in man pages, here: mmap.2, wording Michael Kerrisk (man-pages)

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