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)
}
}
}
func waitInPIDHost(p *libcontainer.Process, c libcontainer.Container) func() (*os.ProcessState, error) {
return func() (*os.ProcessState, error) {
pid, err := p.Pid()
if err != nil {
return nil, err
}
process, err := os.FindProcess(pid)
s, err := process.Wait()
if err != nil {
if err, ok := err.(*exec.ExitError); !ok {
return s, err
} else {
s = err.ProcessState
}
}
processes, err := c.Processes()
if err != nil {
return s, err
}
for _, pid := range processes {
process, err := os.FindProcess(pid)
if err != nil {
log.Errorf("Failed to kill process: %d", pid)
continue
}
process.Kill()
}
p.Wait()
return s, err
}
}