https://yegorov.github.io/tags/mutex/ Recent content in Mutex on Artem Yegorov Hugo en Thu, 13 Aug 2026 08:49:09 +0000 https://yegorov.github.io/notes/mutex-vs-monitor-in-ruby/ Thu, 13 Aug 2026 08:49:09 +0000 https://yegorov.github.io/notes/mutex-vs-monitor-in-ruby/ <p>If you are developing a multithreaded application, you should be aware that access to shared resources must be protected by a lock. In Ruby, this is most commonly handled using <a href="https://docs.ruby-lang.org/en/master/Thread/Mutex.html" class="external-link" target="_blank" rel="noopener">Mutex</a>, which creates an exclusive lock so that only one thread - the one that acquired the lock - can access the resource. However, even with a mutex, you can still run into a deadlock - for instance, if you use recursion and attempt to re-acquire an already held lock within the same thread:</p>