[CRIU] [PATCH 21/32] tools: cpt2 -- Add reading of tasks

[Cyrill Gorcunov]

Here we read tasks from image and build
parent -> child relationship, as well as
figuring out how many threads are present.

(this information present differently in
 openvz image thus we have to use own pids
 hash for fast lookup)

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 tools/cpt2/src/Makefile       |   1 +
 tools/cpt2/src/include/task.h |  29 ++++++++
 tools/cpt2/src/task.c         | 152 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 182 insertions(+)
 create mode 100644 tools/cpt2/src/include/task.h
 create mode 100644 tools/cpt2/src/task.c

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