因为缓冲区属于临界资源，因此需要使用一个互斥量 mutex 来控制对缓冲区的互斥访问。 允许多个进程同时对数据进行读操作，但是不允许读和写以及写和写操作同时发生。 一个整型变量 count 记录在对数据进行读操作的进程数量，一个互斥量 count_mutex 用于对 ...

Stirringly acted and gorgeously filmed, this swashbuckler leaves previous versions of Dumas’s famous revenge saga in the dust. By Jeannette Catsoulis When you purchase a ticket for an ...

#define CMD_I2C_BEGIN 1 // flag fo I2C_IO #define CMD_I2C_END 2 // flag fo I2C_IO ...

First introduced in the 1922 German silent film Nosferatu, Count Orlok sparked numerous controversies over his similarities to Dracula — and even inspired rumors that the actor who played him was a ...

There’s a reason Alexandre Dumas’s “The Count of Monte Cristo” has proven so durable: it’s satisfying as hell. This story of false imprisonment and meticulously executed comeuppance is the ur-text of ...

What to Watch: In Theaters and On Streaming. Link to What to Watch: In Theaters and On Streaming. RT Recommends: Our Favorite Movies and TV Shows of 2024 Link to RT Recommends: Our Favorite Movies ...

Counting calories can help if you want to lose weight. You can begin by planning your weekly meals and counting calories per serving. However, it’s important to make sure you’re still ...

However, it’s worth noting that Active Player uses educated guesses to discover the player count, so while it offers a decent indicator, these numbers are by no means perfect. Overall, ...

KS1 Maths: Number Bonds with Martin Dougan. videoKS1 Maths: Number Bonds with Martin Dougan Let Newsround's Martin Dougan explain number bonds with this fun song and movement routine for your ...