package client
 
 import (
 	"encoding/json"
 
 	"golang.org/x/net/context"
 

 	"github.com/docker/docker/api/types/container"

 )
 
 // ContainerWait pauses execution until a container exits.
 // It returns the API status code as response of its readiness.

 func (cli *Client) ContainerWait(ctx context.Context, containerID string) (int64, error) {

 	resp, err := cli.post(ctx, "/containers/"+containerID+"/wait", nil, nil, nil)
 	if err != nil {
 		return -1, err
 	}
 	defer ensureReaderClosed(resp)
 

 	var res container.ContainerWaitOKBody

 	if err := json.NewDecoder(resp.body).Decode(&res); err != nil {
 		return -1, err
 	}
 
 	return res.StatusCode, nil
 }