Webstd::shared_mutex Defined in header class shared_mutex; (since C++17) The shared_mutex class is a synchronization primitive that can be used to … Web這個想法是可以使用std::shared mutex ，但在同一線程調用用於獨占訪問的std::shared mutex::lock 情況下保護死鎖。 例如： f 會鎖定，因為 std::shared mutex 不能遞歸調用 …

c++ - 線程本地存儲的 std::shared_mutex 遞歸保護 - 堆棧內存溢出

WebJun 28, 2024 · boost::upgrade_mutex could be used instead of std::shared_mutex if there is only 1 thread that needs to modify the data structure (e.g. producer). For multiple producers, even this is difficult to use because there is – even conceptually – no way to satisfy two concurrent lock upgrade attempts – either attempt will have to fail. Web2 days ago · Why does libc++ call_once uses a shared mutex for all calls? I'm reading the source code of call_once in libc++, and curious about the usage of a shared mutex. … north of arizona

c++ - difference between std::mutex and std::shared_mutex

WebC++ 11 thread 基础用法 lock unlock join mutex joinable lock_guard unique_lock condition_variable wait notify_one notify_all asnyc future packaged_task promise Webstd:: unique_lock. The class unique_lock is a general-purpose mutex ownership wrapper allowing deferred locking, time-constrained attempts at locking, recursive locking, … Web2 days ago · 本文介绍了一个简单的c++线程池实现及其在矩阵相乘问题中的应用。线程池的目的是在程序中复用线程，减少创建和销毁线程的开销，同时提高多线程任务的执行效 … north of argyll