Re: shm_open doesn't work (fix maybe).

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On Tue, Apr 24, 2001 at 11:46:20AM -0500, Tom Brusehaver (N-Sysdyne Corporation) wrote:
>
> I have been chasing all around trying to find out why
> shm_open always returns ENOSYS. It is implemented
> in glibc-2.2.2, and seems the 2.4.3 kernel knows about
> shmfs.
>
> It seems the file linux/mm/shmem.c has:
> #define SHMEM_MAGIC 0x01021994
>
> And the glibc-2.2.2/sysdeps/unix/sysv/linux/linux_fsinfo.h has:
> #define SHMFS_SUPER_MAGIC 0x02011994
>
> Well, which is correct?

Update your glibc, 2.2.3pre* matches 2.4.x kernel:

2001-03-03 Ulrich Drepper <drepper@redhat.com>

        * sysdeps/unix/sysv/linux/linux_fsinfo.h (SHMFS_SUPER_MAGIC):
        Update for real 2.4 kernels.

        Jakub
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