+ pid, running := svm.running[uuid]
+ if running && !svm.killing[uuid] {
+ svm.killing[uuid] = true
+ go func() {
+ time.Sleep(time.Duration(math_rand.Float64()*30) * time.Millisecond)
+ svm.Lock()
+ defer svm.Unlock()
+ if svm.running[uuid] == pid {
+ // Kill only if the running entry
+ // hasn't since been killed and
+ // replaced with a different one.
+ delete(svm.running, uuid)
+ }
+ delete(svm.killing, uuid)
+ }()
+ svm.Unlock()
+ time.Sleep(time.Duration(math_rand.Float64()*2) * time.Millisecond)
+ svm.Lock()
+ _, running = svm.running[uuid]
+ }
+ svm.Unlock()
+ if running {
+ fmt.Fprintf(stderr, "%s: container is running\n", uuid)
+ return 1