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This article mainly explains "what is the mailbox communication of the server". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. let's study and learn "what is the mailbox communication of the server"?

Mailbox communication is an "indirect" way of communication. Mailbox communication takes advantage of the shared data structure outside the process of both the sender and the receiver as a communication relay, the sender and the receiver do not have to establish direct contact, there is no limit on processing time, and the sender can send information at any time. The receiver can also receive the letter at any time.

The operating environment of this tutorial: windows7 system, Dell G3 computer.

Mailbox communication is an "indirect" way of communication.

One thread wants to send information to another thread, the most direct way is to use global variables, but global variables are difficult to manage, and a thread wants to suspend itself while waiting for information, so it needs a convenient solution. Mailbox communication is a common communication mechanism in operating system.

Mailbox communication: a communication relay, such as a message queue, with the help of a shared data structure outside the processes of both the sender and the receiver. You can send the message directly to the mailbox without knowing the process identifier, with the help of a middleman.

The biggest advantage of mailbox communication is that the sender and receiver do not have to establish direct contact and there is no processing time limit. The sender can send the message at any time, and the receiver can receive the message at any time.

Therefore, mailbox communication is an indirect communication mode.

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