Bug#182367: marked as done (libc6-dev: inconsistency of sys/sem.h and linux/sem.h)
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From: MeDon <o.medek@sh.cvut.cz>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: libc6-dev: inconsistency of sys/sem.h and linux/sem.h
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Date: Mon, 24 Feb 2003 23:56:38 +0100
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Package: libc6-dev
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Hi,
the inconsistency of sys/sem.h with linux/sem.h (kernel 2.4.18 compiled from
distribution sources) causes several programs (MPICH with -comm=shared,
semtool from "LINUX Programmer's Guide" not to work.
-- System Information
Debian Release: 3.0
Architecture: i386
Kernel: Linux medon 2.4.18 #1 Mon Jan 6 19:23:02 CET 2003 i686
Locale: LANG=C, LC_CTYPE=cs_CZ
Versions of packages libc6-dev depends on:
ii libc6 2.2.5-11.2 GNU C Library: Shared libraries an
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Received: (at 182367-done) by bugs.debian.org; 9 Mar 2003 07:51:37 +0000
>From gotom@debian.or.jp Sun Mar 09 01:51:36 2003
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Date: Sun, 09 Mar 2003 16:51:34 +0900
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From: GOTO Masanori <gotom@debian.or.jp>
To: Daniel Jacobowitz <dan@debian.org>, 182367-done@bugs.debian.org
Cc: MeDon <O.Medek@sh.cvut.cz>
Subject: Re: Bug#182367: libc6-dev: inconsistency of sys/sem.h and linux/sem.h
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At Tue, 25 Feb 2003 12:37:28 -0500,
Daniel Jacobowitz wrote:
>
> On Tue, Feb 25, 2003 at 06:29:10PM +0100, MeDon wrote:
> > Daniel Jacobowitz wrote:
> > >On Tue, Feb 25, 2003 at 11:04:03AM +0100, MeDon wrote:
> > >
> > >>Hi,
> > >>yes it's on i386 architecture. Both program I mentioned use <sys/sem.h>.
> > >>I don't know much about it, sorry. I'm sending you a semtool.c and
> > >>semstat.c from "LINUX Programmer's Guide". More on MPICH problem could
> > >>be seen on http://www-unix.mcs.anl.gov/mpi/mpich/buglist-tbl.html.
> > >>
> > >>Regards
> > >> Ondrej Medek
> > >
> > >
> > >They don't even compile; and I know that it's not a bug that
> > ><sys/sem.h> doesn't provide union semun - it's a bizarre quirk of the
> > >standards.
> > >
> > >
> >
> > I think you're right. Red Hat 7.2. uses exactly the same header files.
> > But what do you think about the sentence (MPICH) "One user found that
> > the include file /usr/include/linux/sem.h (used by the kernel) and
> > /usr/include/sys/sem.h and /usr/include/sys/ipc.h were not consistent,
> > causing programs using semaphores to fail. If you have this problem, you
> > need to correct your installation of Linux."
>
> They are different interfaces, they aren't necessarily the same. One
> is the glibc interface and the other is the syscall interface.
Yes, right. I close this bug because it's not bug.
Regards,
-- gotom
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