cleanup the legacy var stoppedChan

Signed-off-by: fupan <lifupan@gmail.com>

Author: lifupan

daemon/pod/decommission.go

@@ -501,26 +501,6 @@ func (p *XPod) stopContainers(cList []string, graceful int) error {
 	return nil
 }
 
-/*
-func (p *XPod) waitStopDone(timeout int, comments string) bool {
-	select {
-	case s, ok := <-p.stoppedChan:
-		if ok {
-			p.Log(DEBUG, "got stop msg and push it again: %s", comments)
-			select {
-			case p.stoppedChan <- s:
-			default:
-			}
-		}
-		p.Log(DEBUG, "wait stop done: %s", comments)
-		return true
-	case <-utils.Timeout(timeout):
-		p.Log(DEBUG, "wait stop timeout: %s", comments)
-		return false
-	}
-}
-*/
-
 // waitVMStop() should only be call for the life monitoring, others should wait the `waitStopDone`
 func (p *XPod) waitVMStop() {
 	p.statusLock.RLock()
@@ -542,6 +522,8 @@ func (p *XPod) waitVMStop() {
 		}
 		p.Log(INFO, "got vm exit event: %v", ret)
 	}
+	//in the future, needed to kill the sandbox and delete it here, in case
+	//there is dad sandbox process
 	p.cleanup()
 }
 

daemon/pod/pod.go

@@ -70,12 +70,8 @@ type XPod struct {
 	status     PodState
 	execs      map[string]*Exec
 	statusLock *sync.RWMutex
-	// stoppedChan: When the sandbox is down and the pod is stopped, a bool will be put into this channel,
-	// if you want to do some op after the pod is clean stopped, just wait for this channel. And if an op
-	// got a value from this chan, it should put an element to it again, in case other procedure may wait
-	// on it too.
-	stoppedChan chan bool
-	initCond    *sync.Cond
+
+	initCond *sync.Cond
 
 	//Protected by statusLock
 	snapVolumes    map[string]*apitypes.PodVolume

daemon/pod/provision.go

@@ -99,7 +99,6 @@ func newXPod(factory *PodFactory, spec *apitypes.UserPod) (*XPod, error) {
 		execs:          make(map[string]*Exec),
 		resourceLock:   &sync.Mutex{},
 		statusLock:     &sync.RWMutex{},
-		stoppedChan:    make(chan bool, 1),
 		factory:        factory,
 		snapVolumes:    make(map[string]*apitypes.PodVolume),
 		snapContainers: make(map[string]*Container),