| Mapping PIDs from parent->child namespaces [message #41984] |
Mon, 03 January 2011 23:02  |
Mike Heffner
Messages: 4
Registered: January 2011
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Junior Member |
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Hi,
Is it possible for a process running in a parent PID namespace to map
the PID of a process running in a child's namespace from the
parent->child's namespace? For example, if I span the process "myproc"
with CLONE_NEWPID then a call to getpid() inside myproc will return "1"
whereas in the parent's namespace that process could actually be PID
"23495". I'd like to be able to know that 23495 maps to 1 in the new NS.
Obviously, just mapping the first PID is straightforward since I can
just look at the result of clone(). However, mapping the PIDs of
processes subsequently forked from "myproc" -- in this example -- I
haven't been able to figure out.
Thanks,
Mike
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