func killCgroupProcs(c libcontainer.Container) { var procs []*os.Process if err := c.Pause(); err != nil { logrus.Warn(err) } pids, err := c.Processes() if err != nil { // don't care about childs if we can't get them, this is mostly because cgroup already deleted logrus.Warnf("Failed to get processes from container %s: %v", c.ID(), err) } for _, pid := range pids { if p, err := os.FindProcess(pid); err == nil { procs = append(procs, p) if err := p.Kill(); err != nil { logrus.Warn(err) } } } if err := c.Resume(); err != nil { logrus.Warn(err) } for _, p := range procs { if _, err := p.Wait(); err != nil { logrus.Warn(err) } } }