Shared memory

Gordon Cross crossgl at ingr.UUCP
Thu Nov 24 05:29:43 AEST 1988


In article <22739 at cci632.UUCP>, rrw at cci632.UUCP (Rick Wessman) writes:
> Does anyone know if non-swappable shared memory is supported by
> System V? I need to know because some of our applications developers
> want it. Our sister division in California supports it, but I cannot
> find documentation for it in the SVID.

Yes it is.  Try "shmctl (shmid, SHM_LOCK)" to lock a shared memory segment
in core.  You must be superuser to do this (for obvious reasons).


Gordon Cross
Intergraph Corp.  Huntsville, AL
...uunet!ingr!crossgl



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