This does not include the new hash routines since they will cause problems
when reading old hash files.
Since mpool(3) has been changed, provide a compatibility shim for older
binaries.
Obtained from: OpenBSD
mpool_open(3) - it is *not* really used for synchronization; in fact,
it is not used at all.
PR: 70929
Submitted by: Martin Kammerhofer <dada@sbox.tugraz.at>
MFC after: 3 days
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.