Tateisi/rcore-tutorial
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Still a lot of bugs :(

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This commit is contained in:
Yifan Wu 2022-03-04 09:02:32 -08:00
parent 704eae3bb0
commit 26f44233f6
27 changed files with 308 additions and 95 deletions
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10
os/src/task/mod.rs
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@ -43,12 +43,16 @@ pub fn suspend_current_and_run_next() {
schedule(task_cx_ptr);
}
pub fn block_current_and_run_next() {
/// This function must be followed by a schedule
pub fn block_current_task() -> *mut TaskContext {
let task = take_current_task().unwrap();
let mut task_inner = task.inner_exclusive_access();
let task_cx_ptr = &mut task_inner.task_cx as *mut TaskContext;
task_inner.task_status = TaskStatus::Blocking;
drop(task_inner);
&mut task_inner.task_cx as *mut TaskContext
}
pub fn block_current_and_run_next() {
let task_cx_ptr = block_current_task();
schedule(task_cx_ptr);
}