DCDL:分布式控制描述语言，能以语言的方式完成对并发、进程间通信与同步和容错这3个基本功能的无二义的表达能力-DCDL: Distributed Control descr iption language, the language the way to completion of the complicated, inter-process communication and synchronization, and fault-tolerant three basic functions

有关Linux中进程间的通信 ， 包括信号量 ， 管道 ， 有名管道 ， 消息队列等 ， 从系统方面详细介绍进程间的通信-For communication between processes in Linux, including semaphores, pipes, named pipes, message queues, etc., from the system described in detail the communication between processes