[CRIU] [PATCH 0/4]posix-timer: Add posix timers to criu

[Andrew Vagin]

On Mon, May 20, 2013 at 02:24:23AM +0400, Pavel Tikhomirov wrote:
> Hello,
> 
> In this patch I want to add posix timers dump/restore to criu.
> 
> In first patch I add little function which can replace timeval_valid,
> because it is not universal enough to take both timeval and timespec.
> 
> Second patch stands for syscalls needed to opperate with timers.
> 
> In third patch there are parasite function to get time from timers, and
> proc parsing one to parse /proc/<pid>/timers, and structures to save all
> info so also have saving functionality.
> 
> In forth patch restore: read info from image, place it in allocated mem
> and remap it in region which will be shared. And when injected, restore
> timers and set them.
> 
> problem: don't have functionality to set overrun when restoring, so it
> won't pass existing test in zdtm, time displacement fail will occure.

Which operation fails in this case?

> (This test multiplies timer interval by overruns.)

so you should add a new test case to test these patches.
> 
> Thanks, Pavel
> 
> Pavel Tikhomirov (4):
>   posix-timer: Add time_valid() function
>   posix-timer: Add proper syscalls definition.
>   posix-timer: Add dump functionality and structures.
>   posix-timer: Add restore functionality and structures.
> 
>  arch/x86/syscall-x86-64.def |    5 ++
>  cr-dump.c                   |   13 +++++
>  cr-restore.c                |  126 ++++++++++++++++++++++++++++++++++++++++++-
>  cr-show.c                   |    6 +++
>  image.c                     |    1 +
>  include/crtools.h           |    2 +
>  include/magic.h             |    1 +
>  include/parasite-syscall.h  |    2 +
>  include/parasite.h          |   16 ++++++
>  include/proc_parse.h        |   22 ++++++++
>  include/protobuf.h          |    1 +
>  include/restorer.h          |   21 ++++++++
>  include/syscall-types.h     |    2 +
>  include/util.h              |    8 +++
>  parasite-syscall.c          |   65 ++++++++++++++++++++++
>  pie/parasite.c              |   27 ++++++++++
>  pie/restorer.c              |   35 ++++++++++++
>  proc_parse.c                |  121 +++++++++++++++++++++++++++++++++++++++++
>  protobuf.c                  |    2 +
>  protobuf/Makefile           |    1 +
>  protobuf/posix-timer.proto  |   15 ++++++
>  21 files changed, 490 insertions(+), 2 deletions(-)
>  create mode 100644 protobuf/posix-timer.proto
> 
> -- 
> 1.7.9.5
> 
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