[CRIU] [PATCH cr 6/6] dump: dump zombies from another PID namespace

[Andrey Vagin]

The problem is to get a virtual pid for zombies.
This code gets two list of children from current and target pidns.
Then it removes alive task from the second list and dumps remaining zombies.

A procfs from a target pidns is needed for dumping zombies,
crtools gets it from parasite code.

v2: Fix comment and get proc fd from a root task

Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
 cr-dump.c    |  104 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 test/zdtm.sh |    4 +-
 2 files changed, 92 insertions(+), 16 deletions(-)

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