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Message-ID: <20130324021459.GO19010@port70.net>
Date: Sun, 24 Mar 2013 03:14:59 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: Difficulty emulating F_DUPFD_CLOEXEC
* Zvi Gilboa <zg7s@...rvices.virginia.edu> [2013-03-23 22:10:10 -0400]:
> >This uglifies fcntl.c a bit more, but I think it works. Does the above
> >reasoning make sense? Any other ideas?
>
> In the hope that this matches the project's spirit... how about
> running these tests during the build, and have a script (or a simple
> test program) #define whether the target architecture supports
> F_DUPFD_CLOEXEC or not? Potentially, this test could be added at
> the very end of alltypes.h.sh
the kernel can be changed under libc
and statically linked binaries should
work on different machines
so you cannot detect this at build time
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