[CRIU] [PATCH 1/6] sfd_type: Add SELF_STDIN_OFF service fd and call helpers where needed

[Cyrill Gorcunov]

We will need it for slave ttys migration. They serve for one purpose --
to clone self stdio descriptor and use it with tty layer, which will
be addressed in further patches.

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 cr-restore.c      |    3 +++
 files.c           |    4 +++-
 include/crtools.h |    1 +
 include/tty.h     |    3 +++
 tty.c             |   24 ++++++++++++++++++++++++
 5 files changed, 34 insertions(+), 1 deletions(-)

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