为满足前面要求 当前实时操作系统应包括以下特征 Fast process or thread switch (快速进程或线程切换) Small size(系统小) Ability to respond to external interrupts quickly (快速响应外部中断的能力) Multitasking with interprocess communication tools such as semaphores, signals, and events (通过信号量、信号和事件之类进程通信工具,实现多 任务处理) Use of special sequential files that accumulate data at a fast rate(使用特殊的顺序文件,可快 速存储数据)为满足前面要求, 当前实时操作系统应包括以下特征: • Fast process or thread switch (快速进程或线程切换) • Small size(系统小) • Ability to respond to external interrupts quickly (快速响应外部中断的能力) • Multitasking with interprocess communication tools such as semaphores, signals, and events (通过信号量、信号和事件之类进程通信工具,实现多 任务处理) • Use of special sequential files that accumulate data at a fast rate(使用特殊的顺序文件,可快 速存储数据)