Скачать или смотреть Reentrant Code: Definition, Examples, and How to Fix Problems. Concurrency Video #3

The definition of "reentrant" code is pretty complicated, and reentrancy problems can be big problems. In this video, I animate the definition because the English is hard to understand. Then I walk through example code that is reentrant, add some functionality that makes it not reentrant and then fix that to make it reentrant again. Along the way, we see how to detect when code is not reentrant and how to fix it.
#reentrant #softwareengineering

In this video I'll walk you through:
What it means for code to be reentrant.
When reentrancy is something we need to worry about.
Examples to show the details of how reentrancy problems occur
Strategies for fixing reentrancy problems

TIMESTAMPS
0:00 What is reentrancy and how it relates to the call stack
1:17 Example code that puts two calls on one method into one call stack
3:22 Why that code is reentrant
3:56 Add a requirement that requires data that is shared between the two calls
4:50 Why that code is NOT reentrant
5:50 Make that code reentrant

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