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Fix race condition when using cgroups.Paths 

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2016-08-02 15:43:04 +08:00
parent 50f0a2b1e1
commit 6ecb469b2b
1 changed files with 2 additions and 2 deletions
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4
libcontainer/cgroups/fs/apply_raw.go
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@ -104,6 +104,8 @@ func (m *Manager) Apply(pid int) (err error) {
if m.Cgroups == nil {
return nil
}
m.mu.Lock()
defer m.mu.Unlock()
var c = m.Cgroups
@ -128,8 +130,6 @@ func (m *Manager) Apply(pid int) (err error) {
return cgroups.EnterPid(m.Paths, pid)
}
m.mu.Lock()
defer m.mu.Unlock()
paths := make(map[string]string)
for _, sys := range subsystems {
if err := sys.Apply(d); err != nil {