Review Request 27165: Add ns::pid::destroy() to destroy a pid namespace.

[Ian Downes]

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Review request for mesos and Ben Mahler.


Repository: mesos-git


Description
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All processes are signalled with SIGKILL then reaped. The order of
signalling is not determined, i.e., generally the init pid is not the
first pid signalled.


Diffs
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  src/linux/ns.hpp PRE-CREATION 
  src/tests/ns_tests.cpp PRE-CREATION 

Diff: https://reviews.apache.org/r/27165/diff/


Testing
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Thanks,

Ian Downes