本文分析了实时嵌入式操作系统中几种常用的进程互斥方法，尝试提出一种基于任务优先级的禁止抢占法，并分析了该方法的安全性和高效性。
Some commonly-used process mutex exclusive methods are analyzed in this paper. It advances a no preemptive method which is based on task priority and analyzes its security and high-efficiency.
在嵌入式实时操作系统中，单独使用合作式调度或抢占式调度难以同时完全满足时间触发任务和事件触发任务调度的性能要求。
It is difficult to satisfy the practical demand for scheduling time-triggered tasks and event-triggered tasks in embedded real-time system with cooperative or preemptive schedule separately.
在嵌入式实时操作系统中，单独使用合作式调度或抢占式调度难以同时完全满足时间触发任务和事件触发任务调度的性能要求。
It is difficult to satisfy the practical demand for scheduling time-triggered tasks and event-triggered tasks in embedded real-time system with cooperative or preemptive schedule separately.
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