Explain concept of synchronization, Operating System

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Synchronization

In communication among processes messages passed may be blocking or nonblocking - also called as synchronous and asynchronous.

Blocking send : The sending process is blocked unless the message is received.

Nonblocking send: The sending process sends the message and resumes operation.

Blocking receive: The receiver blocks unless a message is available.

Nonblocking receive: The receiver retrieves either a suitable message or a null.

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