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  1. std::mutex - cppreference.com

    Mar 6, 2024 · The mutex class is a synchronization primitive that can be used to protect shared data from being simultaneously accessed by multiple threads. mutex offers exclusive, non-recursive …

  2. multithreading - What is a mutex? - Stack Overflow

    Aug 29, 2008 · A mutex is a programming concept that is frequently used to solve multi-threading problems. My question to the community: What is a mutex and how do you use it?

  3. Standard library header <mutex> (C++11) - cppreference.com

    Jul 3, 2024 · Class std::mutex namespace std { class mutex { public: constexpr mutex () noexcept; ~mutex (); mutex (const mutex &) = delete; mutex & operator =(const mutex &) = delete; void lock (); …

  4. std::mutex::mutex - cppreference.com

    Oct 22, 2023 · < cpp ‎ | thread ‎ | mutex C++ Compiler support Freestanding and hosted Language Standard library Standard library headers Named requirements Feature test macros (C++20) …

  5. c++ - Mutex example / tutorial? - Stack Overflow

    The function pthread_mutex_lock() either acquires the mutex for the calling thread or blocks the thread until the mutex can be acquired. The related pthread_mutex_unlock() releases the mutex.

  6. What is the difference between lock, mutex and semaphore?

    Feb 25, 2010 · I've heard these words related to concurrent programming, but what's the difference between lock, mutex and semaphore?

  7. Why use a mutex and not a semaphore? - Stack Overflow

    Apr 27, 2025 · In general, mutex and semaphore target different use cases: A semaphore is for signalling, a mutex is for mutual exclusion. Mutual exclusion means you want to make sure that …

  8. C++ named requirements:Mutex(since C++11) - cppreference.com

    Nov 21, 2024 · The Mutex requirements extends the Lockable requirements to include inter-thread synchronization.

  9. c++ - How do mutexes really work? - Stack Overflow

    Aug 2, 2012 · However, how is this implemented? To lock itself, the mutex has to set a bit somewhere that says that it is locked. But what if the second mutex is reading at the same time the first is writing. …

  10. What is the difference between mutex and critical section?

    A mutex is an algorithm (and sometimes the name of a data structure) that is used to protect critical sections. Semaphores and Monitors are common implementations of a mutex. In practice there are …