Prepare to implement FsManager, which should be done in the following-up
commits. Apart from that, no code is not modified.
Signed-off-by: Xuewei Niu <niuxuewei.nxw@antgroup.com>
Support to set threaded mode in cgroup v2. The premise of switching to threaded mode is that only the cgroup of cpuset, cpu and pids is supported.
Fixes: #90
Signed-off-by: yaoyinnan <yaoyinnan@foxmail.com>