[CRIU] [PATCH 4/4] Implement prlimit proxy

[Cyrill Gorcunov]

RHEL6 is shipped with libc 2.12 where no prlimit
helper provided (which was pushed into libc itself
since 2.13). So we implement own proxy for convenience.

Note, if libc does support prlimit itself we simply
don't use any proxy and call it directly.

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 Makefile          |  2 ++
 cr-dump.c         |  1 +
 include/prlimit.h | 18 ++++++++++++++++
 prlimit.c         | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 85 insertions(+)
 create mode 100644 include/prlimit.h
 create mode 100644 prlimit.c

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