hle: kernel: Update KThreadQueue and migrate KSynchronizationObject.

1 files changed, 32 insertions, 0 deletions

diff --git a/src/core/hle/kernel/k_synchronization_object.h b/src/core/hle/kernel/k_synchronization_object.h
index 898e58e16..789ff4780 100644
--- a/src/core/hle/kernel/k_synchronization_object.h
+++ b/src/core/hle/kernel/k_synchronization_object.h
@@ -35,6 +35,38 @@ public:
 
     [[nodiscard]] std::vector<KThread*> GetWaitingThreadsForDebugging() const;
 
+    void LinkNode(ThreadListNode* node) {
+        // Link the node to the list.
+        if (thread_list_tail == nullptr) {
+            thread_list_head = node;
+        } else {
+            thread_list_tail->next = node;
+        }
+
+        thread_list_tail = node;
+    }
+
+    void UnlinkNode(ThreadListNode* node) {
+        // Unlink the node from the list.
+        ThreadListNode* prev_ptr =
+            reinterpret_cast<ThreadListNode*>(std::addressof(thread_list_head));
+        ThreadListNode* prev_val = nullptr;
+        ThreadListNode *prev, *tail_prev;
+
+        do {
+            prev = prev_ptr;
+            prev_ptr = prev_ptr->next;
+            tail_prev = prev_val;
+            prev_val = prev_ptr;
+        } while (prev_ptr != node);
+
+        if (thread_list_tail == node) {
+            thread_list_tail = tail_prev;
+        }
+
+        prev->next = node->next;
+    }
+
 protected:
     explicit KSynchronizationObject(KernelCore& kernel);
     ~KSynchronizationObject() override;