然而，如果两个或更多进程要使用共享内存进行通信，那么它们需要有相同的地址空间，从而限制了它们所能使用的地址。
However, if two or more processes want to communicate using Shared memory, they need to have the same address space, thus limiting the addresses they can utilize.
Flume模型假定在同一台机器上运行着许多进程，并且通过消息或“流”相互通信。
The Flume model assumes many processes running on the same machine and communicating via messages, or “flows”.
文中重点分析了采用计数器信号量解决多进程同步通信，即生产者—消费者问题。
But the focus in this paper is the application of counting semaphore in VxWorks, which can be used in the Producer_Consumer problem to solve the data synchronism in multi process communication.
文中重点分析了采用计数器信号量解决多进程同步通信，即生产者—消费者问题。
But the focus in this paper is the application of counting semaphore in VxWorks, which can be used in the Producer_Consumer problem to solve the data synchronism in multi process communication.
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