A situation in which two or more activations of asynchronous procedures are incapable of proceeding because of their mutual dependencies (操作系统中的)一种情形,此时异步过程的两个或多个活动因相互依赖而不能继续进行。
A situation in which an activation of an asynchronous procedure is incapable of proceeding within any predictable period of time because other concurrent activations permanently retain required resources 这样一种情况:由于别的并发的激活过程持久?有所需资源,使某一个异步过程在可预测时间内不能激活。