cppreference.com 创建账户 页面 讨论 变换 查看 编辑 历史 std::lock_guard<Mutex>::lock_guardC++ 并发支持库 std::lock_guard explicit lock_guard( mutex_type& m ); (1) (C++11 起) lock_guard( mutex_type& m, std::adopt_lock_t t ); (
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3. std::lock_guard的第二个构造函数 实际上,std::lock_guard有两个构造函数,具体的(参考:cppreference): explicitlock_guard( mutex_type& m ); (1) (since C++11) lock_guard( mutex_type& m, std::adopt_lock_t t ); (2) (since C++11) lock_guard(constlock_guard& ) = delete; (3) (...
scoped_lock是C++17新引进的,在处理多个互斥量时,特别简单: 参考:http://en.cppreference.com/w/cpp/thread/scoped_lock
https://en.cppreference.com/w/cpp/thread/condition_variable 条件变量和互斥锁一般结合使用。因为线程处于等待状态中,一般需要查看一个全局变量或共享的变量的状态,来决定是否停止等待继续运行程序。对于此全局变量,必须要原子化的操作锁定,查看状态、结束等待才有意义。
https://en.cppreference.com/w/cpp/thread/lock_guarden.cppreference.com/w/cpp/thread/lock_guard maim.cpp #include <thread> #include <mutex> #include <iostream> int g_i = 0; std::mutex g_i_mutex; // protects g_i void safe_increment() { const std::lock_guard<std::mutex> loc...
std::lock_guard http://www.cplusplus.com/reference/mutex/lock_guard/ 用于托管一个mutex 变量,负责对齐加锁解锁。 A lock guard is an object that manages a mutex object by keeping it always locked. On constr... 查看原文 C++11std::lock_grard管理mutex临界区(C++多线程相关) C++11提供了std:...
// reference: http://en.cppreference.com/w/cpp/thread/condition_variable std::mutex m; std::condition_variable cv6; std::string data; bool ready6 = false; bool processed = false; static void worker_thread() { // Wait until main() sends data ...
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reference 에 명시 되어 있네요.. Notes std::mutex is usually not accessed directly: std::unique_lock and std::lock_guard are used to manage locking in exception-safe manner. http://en.cppreference.com/w/cpp/thread/mutex std::mutex 는 직접적으로 호출 하지...