一、背景介绍: 函数指针始终不太灵活,它只能指向全局或静态函数,对于类成员函数、lambda表达式或其他可...
voidwait(std::unique_lock<std::mutex>&lock); (1)(since C++11) template<classPredicate> voidwait(std::unique_lock<std::mutex>&lock, Predicate pred); (2)(since C++11) waitcauses the current thread to block until the condition variable is notified or a spurious wakeup occurs.predcan be ...
代码行12:调用内部的__cv_条件变量(conditional variable),用来通知因为在关联状态对象没有ready的时候...
Acquire astd::unique_lock<std::mutex>on the mutex used to protect the shared variable. Do one of the following: Check the condition, in case it was already updated and notified. Callwait,wait_for, orwait_untilon thestd::condition_variable(atomically releases the mutex and suspends thread ex...
本文是记录一个线程相互等待导致主线程无法响应的问题,这个问题是属于一定可以复现的问题,是 WPF 的已知...
std::unique_lock <std::mutex> lck(mtx);// cv.wait(lck, [&](){return ready;}); // (a)while(!ready) cv.wait(lck);// (b) 条件变量ready必须位于lock中,以保证内存序 cpp reference: conditional_variable Even if the shared variable is atomic, it must be modified under the mutex in ...
std::condition_variable指定只能与 std::unique_lock<std::mutex>一起使用?因为它“允许在某些平台上实现最大效率”,就像文档所说。 这样, condition_variable实现就可以使用其关于 unique_lock和 mutex的stdlibrary实现的内部知识来执行执行其功能的最有效方式。例如。 libstdc++ 的实现包含这个金块: pthread_cond_...
conditional_variable的notidy cv.notify_one cv.notify_all std::notify_all_at_thread_exit(…) 参考 C++11 并发指南五(std::condition_variable 详解) C++11 std::unique_lock与std::lock_guard区别及多线程应用实例 cpp reference — std::unique_lock ...
conditional<> (C++11 起) conditional_t<> (C++14 起) condition_variable (C++11 起) condition_variable_any (C++11 起) conjunction<> (C++17 起) conjunction_v<> (C++17 起) conj<>() const_iterator<> (C++23 起) const_pointer_cast<>() (C++11 起) const_sentinel<> (C++23 起) constru...
conditional_t<> (C++14 起)condition_variable (C++11 起)condition_variable_any (C++11 起)conjunction<> (C++17 起)conjunction_v<> (C++17 起)conj<>()construct_at<>() (C++20 起)constructible_from<> (C++20 起)consume_header (C++11 起)(C++17 中弃用)contiguous_iterator<> (C++20 起)...