[CRIU] [PATCH cr 1/7] zdtm: copy futex engine from crtools (v2)

[Andrey Vagin]

We can't reuse it from crtools, because zdtm is used separately.

v2 syscall() returns an error code in errno.

Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
 test/zdtm/lib/atomic.h |   42 ++++++++++++++
 test/zdtm/lib/lock.h   |  139 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 181 insertions(+), 0 deletions(-)
 create mode 100644 test/zdtm/lib/atomic.h
 create mode 100644 test/zdtm/lib/lock.h

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