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Use better names and avoid duplication

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This commit is contained in:
Ruihan Li
2024-10-18 19:18:52 +08:00
committed by Tate, Hongliang Tian
parent 96a153dfc5
commit 9d5350c2ee
1 changed files with 16 additions and 16 deletions
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32
ostd/src/task/scheduler/mod.rs
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@ -140,17 +140,12 @@ pub(crate) fn park_current(has_woken: &AtomicBool) {
/// Unblocks a target task.
pub(crate) fn unpark_target(runnable: Arc<Task>) {
let need_preempt_info = SCHEDULER
let preempt_cpu = SCHEDULER
.get()
.unwrap()
.enqueue(runnable, EnqueueFlags::Wake);
if need_preempt_info.is_some() {
let cpu_id = need_preempt_info.unwrap();
let preempt_guard = disable_preempt();
// FIXME: send IPI to set remote CPU's need_preempt if needed.
if cpu_id == preempt_guard.current_cpu() {
cpu_local::set_need_preempt();
}
if let Some(preempt_cpu_id) = preempt_cpu {
set_need_preempt(preempt_cpu_id);
}
}
@ -164,22 +159,27 @@ pub(super) fn run_new_task(runnable: Arc<Task>) {
fifo_scheduler::init();
}
let need_preempt_info = SCHEDULER
let preempt_cpu = SCHEDULER
.get()
.unwrap()
.enqueue(runnable, EnqueueFlags::Spawn);
if need_preempt_info.is_some() {
let cpu_id = need_preempt_info.unwrap();
let preempt_guard = disable_preempt();
// FIXME: send IPI to set remote CPU's need_preempt if needed.
if cpu_id == preempt_guard.current_cpu() {
cpu_local::set_need_preempt();
}
if let Some(preempt_cpu_id) = preempt_cpu {
set_need_preempt(preempt_cpu_id);
}
might_preempt();
}
fn set_need_preempt(cpu_id: CpuId) {
let preempt_guard = disable_preempt();
if preempt_guard.current_cpu() == cpu_id {
cpu_local::set_need_preempt();
} else {
// TODO: Send IPIs to set remote CPU's `need_preempt`
}
}
/// Dequeues the current task from its runqueue.
///
/// This should only be called if the current is to exit.