Review request for 5049299

Martin Buchholz martinrb at
Sat May 30 17:51:25 UTC 2009

I have a prototype implementation that works only for Linux,
only when the environment is inherited,
but seems to show that the clone/fork approach works.

The main idea is that passing these flags:
to clone() appears to work.
Passing CLONE_VFORK in addition also seems to work,
and may be more reliable.

Michael, we will need to coordinate to come up with
something that will work for all our Unices.

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