What are mutexes and how do they work?
Mutexes, or mutual exclusions, are synchronization primitives used to manage access to shared resources in concurrent programming.
Why do I need to use a mutex instead of just using a simple variable?
Using a mutex prevents race conditions by ensuring that only one thread can access the shared resource at a time.
Can you give me an example of how to implement a mutex in code?
Sure! In C++, you can use the std::mutex class. Here's a simple example:
#include <mutex>
std::mutex mtx;
void threadFunction() {
mtx.lock(); // Lock the mutex
// Access shared resource
mtx.unlock(); // Unlock the mutex
}
What happens if a mutex is not released?
If a mutex is not released, it can lead to deadlocks, where threads are stuck waiting for each other to release the mutex.
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