Re: Dissociating process from bin's filesystem

Chris Friesen (cfriesen@nortelnetworks.com)
Thu, 25 Apr 2002 13:52:46 -0400

Rob Landley wrote:
>
> On Wednesday 24 April 2002 10:47 pm, Eric Buddington wrote:
> > Is there any way to dissociate a process from its on-disk binary?
>
> Sure. Fire up an instance of ramfs, copy the file there (and its associated
> libraries), chroot and exec the copy on ramfs. Sort of like initrd in
> reverse. :)

If you're writing the binary in question, you could use mlockall() which ensures
that you won't need to page in bits of the binary from disk. I don't know if
the filesystem considers this totally dissociated though, but it might be good
enough for what you want.

Chris

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