What are the different types of mutex in C++?
In C++, there are several types of mutexes, including std::mutex, std::recursive_mutex, std::timed_mutex, and std::shared_mutex. Each serves different purposes in multithreading.
Can you explain the difference between std::mutex and std::recursive_mutex?
Sure! std::mutex allows only one thread to own the lock at a time, while std::recursive_mutex allows the same thread to lock it multiple times without causing a deadlock.
What about std::shared_mutex?
std::shared_mutex allows multiple threads to read simultaneously while still providing exclusive access for writing. This is useful for scenarios where reads are more frequent than writes.
When should I use std::timed_mutex?
You should use std::timed_mutex when you want to attempt to lock a mutex but want to specify a timeout. This can help avoid deadlocks in certain situations.
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