共享锁，又称为读锁，可以查看但无法修改和删除的一种数据锁。
与通过共享内存与锁交互的线程不同，角色模型利用了“角色”概念，使用邮箱来传递异步消息。
Rather than threads interacting via Shared memory with locks, the actor model leverages "actors" that pass asynchronous messages using mailboxes.
耦合设施是高度集成的组件，通过它们可以创建锁设施和缓冲池等共享资源。
The coupling facilities are highly integrated components that allow for the creation of Shared resources such as locking facilities and buffer pools.
本文中将学习如何使用Boost ipc库实现共享内存对象、消息队列和同步文件锁。
In this article, you learn how to use the Boost IPC library to implement Shared memory objects, message queues, and synchronized file locking.
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