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20 lines
582 B
Rust
20 lines
582 B
Rust
2 years ago
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use crate::task::context::{TaskContext};
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// TCB的字段, 用来保存任务的状态
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#[derive(Copy, Clone, PartialEq)]
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pub enum TaskStatus {
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UnInit, // 未初始化
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Ready, // 准备运行
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Running, // 正在运行
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Exited, // 已退出
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}
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// 一个任务的主体, 用来保存或者控制一个任务所有需要的东西
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#[derive(Copy, Clone)]
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pub struct TaskControlBlock {
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pub user_time: usize, // 用户态程序用的时间
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pub kernel_time: usize, // 内核态程序所用的时间
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pub task_status: TaskStatus,
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pub task_cx: TaskContext,
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}
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