What is the difference between thread safety and reentrancy?
An example of an AI chatbot conversation about thread safety and reentrancy in programming.
Can you explain the difference between thread safety and reentrancy?
Sure! Thread safety means that a piece of code can be safely called by multiple threads at the same time without causing data corruption.
And what about reentrancy?
Reentrancy refers to the ability of a function to be interrupted in the middle of its execution and safely called again ('re-entered') before the previous execution is complete.
So, can a function be thread-safe but not reentrant?
Yes, that's possible! A function can be designed to be thread-safe by using locks, but if it holds state that isn't preserved across calls, it may not be reentrant.
Got it! Can you give me an example of a reentrant function?
Certainly! A simple example of a reentrant function is one that only uses local variables and does not rely on shared state.
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