Help with a code snippet that fails in mock buildroots
Lennart Poettering
mzerqung at 0pointer.de
Sat Apr 12 02:17:08 UTC 2008
On Fri, 11.04.08 22:07, Deji Akingunola (dakingun at gmail.com) wrote:
> Hi all,
>
> Can someone please explain (and possibly provide a solution) to me why
> the code below is failing in mock buildroot. It is run to check if the
> 'shm_open' function works when configuring latest mpich2 package, and
> its result is used to create a definition that's used later when
> compiling the package. The code runs fine (and the package builds fine
> too) on my rawhide system.
> Thanks.
Is /dev/shm/ available in the chroot env? shm_open() is basically the
same as open(), however, it prepends /dev/shm to the file name. If
that dir is not writable (should be mounted as tmpfs) shm_open() fails,
Lennart
--
Lennart Poettering Red Hat, Inc.
lennart [at] poettering [dot] net ICQ# 11060553
http://0pointer.net/lennart/ GnuPG 0x1A015CC4
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