[CRIU] [PATCH 0/6] A few fixes to c/r a docker container with a console

[Andrei Vagin]

ping

On Wed, Jan 04, 2017 at 02:39:59AM +0300, Andrei Vagin wrote:
> From: Andrei Vagin <avagin at virtuozzo.com>
> 
> runc creates a pty pair from a container devpts, then bind-mounts
> the slave into /dev/console and handles the master externally.
> 
> This series solve there problems:
> * notify about abandoned master pty-s via rpc
> * restore bind-mounted slave pty-s
> * create a detached mount when a temporary directory can't be created
> 
> https://github.com/opencontainers/runc/issues/1202
> 
> Andrei Vagin (6):
>   tty: notify about orphan tty-s via rpc
>   fdstore: add a storage for file descriptors
>   tty: split pty_open_ptmx_index()
>   mount: create a slave pty if it has to be bind-mounted to somewhere
>   mount: clone a mount namespace to open a detached mount
>   zdtm: check a case when a slave pty is mounted to somewhere
> 
>  criu/Makefile.crtools             |   1 +
>  criu/action-scripts.c             |  20 +++++-
>  criu/cr-restore.c                 |  30 ++++++--
>  criu/cr-service.c                 |  27 +++++--
>  criu/fdstore.c                    |  86 +++++++++++++++++++++++
>  criu/filesystems.c                |   2 +
>  criu/include/action-scripts.h     |   6 +-
>  criu/include/cr_options.h         |   1 +
>  criu/include/fdstore.h            |   8 +++
>  criu/include/servicefd.h          |   2 +
>  criu/include/tty.h                |   3 +
>  criu/mount.c                      |  18 ++++-
>  criu/tty.c                        | 144 ++++++++++++++++++++++++++++++++++----
>  images/rpc.proto                  |   2 +
>  test/zdtm/static/Makefile         |   3 +
>  test/zdtm/static/pty-console.c    |   1 +
>  test/zdtm/static/pty-console.desc |   1 +
>  test/zdtm/static/pty01.c          |  14 ++++
>  18 files changed, 338 insertions(+), 31 deletions(-)
>  create mode 100644 criu/fdstore.c
>  create mode 100644 criu/include/fdstore.h
>  create mode 120000 test/zdtm/static/pty-console.c
>  create mode 100644 test/zdtm/static/pty-console.desc
> 
> -- 
> 2.7.4
>