[pups] Swap device in V6?

Roger Ivie IVIE at cc.usu.edu
Tue Feb 27 04:04:53 AEST 2001

Ian King wrote:
> But where cc seems to be failing (in /lib/c0), it is doing a fork(),
> execve() and wait(), and if the system needs to swap to do that, not being
> able to find swap space would sure bugger things up.  

It is indeed the case that V6 needs swap to fork. Forking in V6 is done
essentially by swapping the task out to disk and (oops!) forgetting to
delete the in-core copy. At least, that's how it looked to me.

Roger Ivie
ivie at cc.usu.edu

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