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Declare _unused explicitly when running first task.

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This commit is contained in:
Yifan Wu 2021-01-30 01:19:30 +08:00
parent e4eee06cb2
commit fd8f673dbe
1 changed files with 2 additions and 1 deletions
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3
os/src/task/mod.rs
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@ -48,9 +48,10 @@ impl TaskManager {
fn run_first_task(&self) {
self.inner.borrow_mut().tasks[0].task_status = TaskStatus::Running;
let next_task_cx_ptr2 = self.inner.borrow().tasks[0].get_task_cx_ptr2();
let _unused: usize = 0;
unsafe {
__switch(
&0usize as *const _,
&_unused as *const _,
next_task_cx_ptr2,
);
}