Merge pull request #469 from gnawux/reset_tty

reset container tty after container stopped

Author: laijs

hypervisor/context.go

@@ -244,6 +244,15 @@ func (ctx *VmContext) handleProcessAsyncEvent(pae *hyperstartapi.ProcessAsyncEve
 		ctx.reportProcessFinished(types.E_CONTAINER_FINISHED, &types.ProcessFinished{
 			Id: pae.Container, Code: uint8(pae.Status), Ack: make(chan bool, 1),
 		})
+		ctx.lock.Lock()
+		if c, ok := ctx.containers[pae.Container]; ok {
+			c.Log(TRACE, "container finished, unset iostream pipes")
+			c.stdinPipe = nil
+			c.stdoutPipe = nil
+			c.stderrPipe = nil
+			c.tty = nil
+		}
+		ctx.lock.Unlock()
 	} else {
 		ctx.DeleteExec(pae.Process)
 		ctx.reportProcessFinished(types.E_EXEC_FINISHED, &types.ProcessFinished{