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add_task->wakeup_task

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This commit is contained in:
Yifan Wu 2023-01-20 01:59:37 +08:00
parent 4ccf22f581
commit c12e3b733d
6 changed files with 17 additions and 10 deletions
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9
os/src/task/manager.rs
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@ -1,4 +1,4 @@
use super::{ProcessControlBlock, TaskControlBlock};
use super::{ProcessControlBlock, TaskControlBlock, TaskStatus};
use crate::sync::UPIntrFreeCell;
use alloc::collections::{BTreeMap, VecDeque};
use alloc::sync::Arc;
@ -34,6 +34,13 @@ pub fn add_task(task: Arc<TaskControlBlock>) {
TASK_MANAGER.exclusive_access().add(task);
}
pub fn wakeup_task(task: Arc<TaskControlBlock>) {
let mut task_inner = task.inner_exclusive_access();
task_inner.task_status = TaskStatus::Ready;
drop(task_inner);
add_task(task);
}
pub fn fetch_task() -> Option<Arc<TaskControlBlock>> {
TASK_MANAGER.exclusive_access().fetch()
}