用信号量实现进程同步的一题四解方法

用信号量机制实现并发进程之间的同步是操作系统中研究的重要课题。对于该问题,进行了方法学的讨论,提出了四种解题方法,其中混合型方法实现了用最少的信号量实现进程同步的问题,对该知识点的理解和掌握很有帮助。

The Four Methods of Applying the Semaphore's Mechanism to Resolve the Synchronization of Parallel Processes

Applying the semaphore's mechanism to control the synchronization of parallel processes is a important topic in operating system research area. There are four methods were put forward in thia paper and the hybrid method can use the least semaphore to resolve the discussed problem which is helpful to the study of operating system.