WebMar 13, 2024 · - 可以使用构造函数来创建一个 `shared_ptr`，例如： ```c++ // 使用 new 关键字动态分配内存 int *p = new int; // 将 p 封装为 shared_ptr std::shared_ptr sp1(p); // 使用 make_shared 函数动态分配内存并封装为 shared_ptr auto sp2 = std::make_shared(); ``` - 可以使用赋值运算符来拷贝或 ...

Understanding Shared Mutex In C++: A Comprehensive Guide

WebA unique lock is an object that manages a mutex object with unique ownership in both states: locked and unlocked. On construction (or by move-assigning to it), the object … WebUpdate – eXclusive lock; Read – Shared lock; Для операций Update или Read мы делаем: Блокируем всю таблицу (xlock для Update, slock для Read) Ищем нужную … toweling bathrobes men

C++ Tutorial => std::unique_lock, std::shared_lock, std::lock_guard

Web类 shared_lock 是通用共享互斥所有权包装器，允许延迟锁定、定时锁定和锁所有权的转移。 锁定 shared_lock ，会以共享模式锁定关联的共享互斥（ std::unique_lock 可用于 … WebLearn C++ - std::shared_lock. Example. A shared_lock can be used in conjunction with a unique lock to allow multiple readers and exclusive writers. WebAccepted answer. As pointed out by various commentators, who have read the implementation code of the C++ standard library: Yes, the use of a std::shared_mutex … toweling off