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From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: Difficulty emulating F_DUPFD_CLOEXEC
Date: Sun, 24 Mar 2013 03:14:59 +0100	[thread overview]
Message-ID: <20130324021459.GO19010@port70.net> (raw)
In-Reply-To: <514E6082.4070104@eservices.virginia.edu>

* Zvi Gilboa <zg7s@eservices.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


  reply	other threads:[~2013-03-24  2:14 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-24  1:59 Rich Felker
2013-03-24  2:09 ` Rich Felker
2013-03-24  2:12   ` Rich Felker
2013-03-24  2:10 ` Zvi Gilboa
2013-03-24  2:14   ` Szabolcs Nagy [this message]
2013-03-24  2:17   ` Rich Felker
2013-03-24  2:27     ` Zvi Gilboa
2013-03-24  2:33       ` Rich Felker
2013-03-24  2:57         ` Zvi Gilboa
2013-03-24  3:08           ` Rich Felker
2013-03-24 23:51   ` Rob Landley

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