Help with a code snippet that fails in mock buildroots
On Fri, Apr 11, 2008 at 10:17 PM, Lennart Poettering
> On Fri, 11.04.08 22:07, Deji Akingunola (firstname.lastname@example.org) 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?
I have no idea; I ran 'rpm -q --whatprovides /dev/shm' on my system
and it returned 'file /dev/shm is not owned by any package', I wonder
how it get created. Thanks for your response.
> 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 Poettering Red Hat, Inc.
> lennart [at] poettering [dot] net ICQ# 11060553
> http://0pointer.net/lennart/ GnuPG 0x1A015CC4
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