[CRIU] [PATCH v4 00/19] Introduce custom per-task service fds placement

[Kirill Tkhai]

Several words about new placement are in https://criu.org/Service_descriptors

On 16.01.2018 20:44, Andrei Vagin wrote:
> Applied, thanks
> 
> On Wed, Jan 10, 2018 at 05:00:22PM +0300, Kirill Tkhai wrote:
>> Hi,
>>
>> this is the v4 of the patch set. In comparation to v3
>> there is added a functionality for preventing service
>> fds reuse. See patches [1-10/19] for the details. These
>> patches all are new, and there are no other thanges.
>>
>> https://travis-ci.org/tkhai/criu/builds/327226233
>>
>> ---
>>
>> Kirill Tkhai (19):
>>       core: Init fdstore even earlier
>>       sfds: Kill SELF_STDIN_OFF via fdstore
>>       files: Do not close PROC_PID_FD_OFF sfd in prepare_fds()
>>       mnt: Remove useless closes in __mntns_get_root_fd()
>>       socket: Remove useless close_pid_proc() from set_netns()
>>       utils: Add print_stack_trace()
>>       sfds: Protect service fds reuse
>>       mnt: Populate ROOT_FD_OFF
>>       sfds: Populate pid proc
>>       sfds: Protect service fds
>>       files: Rename service_fd_rlim_cur to service_fd_base_cur
>>       files: Count inh_fd_max
>>       files: Pass pstree_item argument to clone_service_fd()
>>       files: Close old service fd in clone_service_fd()
>>       files: Do setup_newborn_fds() later
>>       files: Refactor clone_service_fd()
>>       files: Prepare clone_service_fd() for overlaping ranges.
>>       files: Make tasks set their own service_fd_base
>>       zdtm: Add fd01 test
>>
>>
>>  criu/cr-restore.c          |   56 +++++++++++++++---
>>  criu/files.c               |   10 +++
>>  criu/include/files.h       |    2 +
>>  criu/include/servicefd.h   |    5 +-
>>  criu/include/tty.h         |    1 
>>  criu/include/util.h        |    7 ++
>>  criu/mount.c               |    3 -
>>  criu/sockets.c             |    2 -
>>  criu/tty.c                 |   15 ++---
>>  criu/util.c                |  134 ++++++++++++++++++++++++++++++++++++++------
>>  test/zdtm/static/Makefile  |    1 
>>  test/zdtm/static/fd01.c    |  106 +++++++++++++++++++++++++++++++++++
>>  test/zdtm/static/fd01.desc |    1 
>>  13 files changed, 296 insertions(+), 47 deletions(-)
>>  create mode 100644 test/zdtm/static/fd01.c
>>  create mode 100644 test/zdtm/static/fd01.desc
>>
>> --
>> Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>