在 C++ 中，std::binary_semaphore 是 C++20 引入的一种同步原语，定义在 头文件中。它是信号量（semaphore）的一种特殊形式，其计数器只能取值 0 或 1，因此得名“二元信号量”。它常用于线程同步，特别是在需要控制对共享资源的访问或协调线程执行顺序的场景中。

Implementation of a simple binary semaphore using System V IPC tools. From a general overview, a binary semaphore is a variable that takes values 0 or 1 and serves in the communication between threads ...

In a classic scenario of priority inversion, a binary semaphore is named 'PRNT' to symbolize that it is being used to regulate the access of tasks to a printer. It is initialized with a count of one ...

In a classic scenario of priority inversion, a binary semaphore is named 'PRNT' to symbolize that it is being used to regulate the access of tasks to a printer. It is initialized with a count of one ...