Message Passing Tutorial: Difference between revisions
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Synchronous messaging is often used to implement [[RPC|Remote Procedure Calls]]. You send the function code and it's arguments first, then consume() calls the appropriate function and creates a message with the results.
Most OS use some primitive messaging to implement more sophisticated IPC like [[Unix Pipes|pipe]]s or [[socket]]s. Reading and writing from [[file]]s is also worked out by sending messages between the vfs process and the disk driver.
==Pitfalls==
This may seem to be easy, but don't forget it's only a tutorial. In the real world, you'll have to work a lot before your messaging code can became useful. Some suggestions:
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