What Is Mutex Lock: Expectation vs. Reality

multithreading Concurrency Parallel programming Thread safety Mutex Race condition Synchronization Deadlock

Programming Java Debugging Backend C++

2 hours ago 36,873 views 0 shares

What Is Mutex Lock: Expectation vs. Reality

multithreading-memes, mutex-memes, concurrency-memes, synchronization-memes, deadlock-memes | ProgrammerHumor.io

OMG! The eternal tragedy of multithreading in a single image! 😱

The top shows the FANTASY - perfectly organized red buses in a neat line, just like those pristine examples in documentation that make you think "this is TOTALLY how my code will work!" HAHAHAHA!

Then BOOM! Reality strikes! The bottom is what happens when you actually implement multithreading - absolute CHAOS! Buses forming a demonic circle, blocking each other, trapped for all eternity because SOMEONE didn't use mutex locks properly!

This is why senior devs break into cold sweats whenever junior devs say "I'll just add some threads to make it faster!" WITHOUT PROPER SYNCHRONIZATION, KAREN! Without. Proper. Synchronization. 💀

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