mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-05-15 07:34:23 -04:00
Code Issues Projects Releases Packages Wiki Activity

kern: cleanup KThread, optimize/normalize KThreadQueue/KWaitObject

Browse source
This commit is contained in:
Michael Scire 2020-12-01 15:19:29 -08:00 • committed by SciresM
parent 1852fe8612
commit 8b2ed36698
10 changed files with 58 additions and 168 deletions
Download patch file Download diff file Expand all files Collapse all files

36
libraries/libmesosphere/include/mesosphere/kern_k_wait_object.hpp
View file

@ -22,45 +22,13 @@ namespace ams::kern {
class KWaitObject : public KTimerTask {
private:
using Entry = KThread::QueueEntry;
private:
Entry root;
KThread::WaiterList wait_list;
bool timer_used;
public:
constexpr KWaitObject() : root(), timer_used() { /* ... */ }
constexpr KWaitObject() : wait_list(), timer_used() { /* ... */ }
virtual void OnTimer() override;
Result Synchronize(s64 timeout);
private:
constexpr ALWAYS_INLINE void Enqueue(KThread *add) {
/* Get the entry associated with the added thread. */
Entry &add_entry = add->GetSleepingQueueEntry();
/* Get the entry associated with the end of the queue. */
KThread *tail = this->root.GetPrev();
Entry &tail_entry = (tail != nullptr) ? tail->GetSleepingQueueEntry() : this->root;
/* Link the entries. */
add_entry.SetPrev(tail);
add_entry.SetNext(nullptr);
tail_entry.SetNext(add);
this->root.SetPrev(add);
}
constexpr ALWAYS_INLINE void Remove(KThread *remove) {
/* Get the entry associated with the thread. */
Entry &remove_entry = remove->GetSleepingQueueEntry();
/* Get the entries associated with next and prev. */
KThread *prev = remove_entry.GetPrev();
KThread *next = remove_entry.GetNext();
Entry &prev_entry = (prev != nullptr) ? prev->GetSleepingQueueEntry() : this->root;
Entry &next_entry = (next != nullptr) ? next->GetSleepingQueueEntry() : this->root;
/* Unlink. */
prev_entry.SetNext(next);
next_entry.SetPrev(prev);
}
};
}