public static Singleton2 GetBadInstance()
{
if (badInstance == null)
{
lock (syncLocker)
{
Task.Delay(5000).Wait();
badInstance = new Singleton2();
}
}
return(badInstance);
}
public static Singleton2 GetInstance()
{
// 第一重判断
if (instance == null)
{
// 锁定代码块
lock (syncLocker)
{
// 第二重判断
if (instance == null)
{
instance = new Singleton2();
}
}
}
return(instance);
}