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Date:      Tue, 30 Jun 1998 15:00:56 -0400 (EDT)
From:      sja@world.std.com (Stuart J Adams)
To:        freebsd-questions@FreeBSD.ORG
Subject:   splnet, splx and tsleep
Message-ID:  <199806301900.AA29089@world.std.com>

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I am trying to understand the exact effects
of splnet and splimp in the kernel. 

When running at splnet/splimp a process
cannot be preempted out due to time slicing
right ???

what happens when tsleep is called while
at splnet ??? This happens in the accept
system call, the system can't be left at
the splnet priority level until a connection
is made. How does tsleep effect the current
spl ???

Is there a good explanation on the net or in
book about these kernel architectural issues ??? 

Thanks,
  Stuart


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