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H A Dsysv_msg.cdiff 101772 Tue Aug 13 08:00:36 MDT 2002 alfred Make SYSVMSG mpsafe. Right now there is a global lock over the
entire subsystem, we could move to per-message queue locks, however
the messages themselves seem to come from a global pool and to avoid
over-locking this code (locking individual queues, then the global
pool) I've opted to just do it this way.

Requested by: rwatson
Tested by: NetBSD's regression suite.

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