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cgroup: using WriteCgroupProc to write the specified pid into the cgroup's cgroup.procs file 

cgroupData.join method using `WriteCgroupProc` to place the pid into
the proc file, it can avoid attach any pid to the cgroup if -1 is
specified as a pid.

so, replace `writeFile` with `WriteCgroupProc` like `cpuset.go`'s
ApplyDir method.

Signed-off-by: Wang Long <long.wanglong@huawei.com>
This commit is contained in:
Wang Long 2016-09-21 10:53:52 +00:00
parent ce5d8cf941
commit ce9951834c
1 changed files with 1 additions and 1 deletions
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2
libcontainer/cgroups/fs/cpu.go
View File

@ -46,7 +46,7 @@ func (s *CpuGroup) ApplyDir(path string, cgroup *configs.Cgroup, pid int) error
}
// because we are not using d.join we need to place the pid into the procs file
// unlike the other subsystems
if err := writeFile(path, "cgroup.procs", strconv.Itoa(pid)); err != nil {
if err := cgroups.WriteCgroupProc(path, pid); err != nil {
return err
}