The unix domain "abstract namespace" problem.

An irritatingly large percentage of the distribution packages that need
modifying for OpenSSI just need a simple hack to replace use of an
"abstract namespace" unix domain socket with a old-fashioned filesystem
based socket in order to allow the socket to be made node-specific.

For example udev wants to use "@udevd" but we hack it to use
"/var/run/udevd_sock" (where /var/run is a CDSL).

It would be nice to do this in the kernel, to avoid an ever-growing
cascade of programs to modify.

Maybe the kernel should have a table, mapping socket addresses requested
by user programs to real ones, something like:

@udev => @/org/openssi/udev{nodenum}
@/org/freedesktop/hal/udev_event => @/org/openssi/hal/udev_event{nodenum}
...

There would need to be some interface (procfs/sysfs) to allow userspace
to define the mapping.



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