Revert "Kernel/Threads: Add a new thread status that will allow using a Kernel::Event to put a guest thread to sleep inside an HLE handler until said event is signaled"

src/core/hle/service/service.h

@@ -20,8 +20,7 @@ namespace Kernel {
 class ClientPort;
 class ServerPort;
 class ServerSession;
-class Event;
-} // namespace Kernel
+}
 
 namespace Service {
 
@@ -262,45 +261,6 @@ private:
     }
 };
 
-/*
- * Token representing a pause request for a guest thread from an HLE service function.
- * Using this token a function can put a guest thread to sleep to defer returning a result from
- * SendSyncRequest until an async operation completes on the host. To use it, call SleepClientThread
- * to create a specific continuation token for the current thread, perform your async operation, and
- * then call ContinueClientThread passing in the returned token as a parameter.
- */
-class ThreadContinuationToken {
-public:
-    using Callback = std::function<void(Kernel::SharedPtr<Kernel::Thread> thread)>;
-    friend ThreadContinuationToken SleepClientThread(const std::string& reason, Callback callback);
-    friend void ContinueClientThread(ThreadContinuationToken& token);
-
-    bool IsValid();
-
-private:
-    Kernel::SharedPtr<Kernel::Event> event;
-    Kernel::SharedPtr<Kernel::Thread> thread;
-    Callback callback;
-    std::string pause_reason;
-};
-
-/*
- * Puts the current guest thread to sleep and returns a ThreadContinuationToken to be used with
- * ContinueClientThread.
- * @param reason Reason for pausing the thread, to be used for debugging purposes.
- * @param callback Callback to be invoked when the thread is resumed by ContinueClientThread.
- * @returns ThreadContinuationToken representing the pause request.
- */
-ThreadContinuationToken SleepClientThread(const std::string& reason,
-                                          ThreadContinuationToken::Callback callback);
-
-/*
- * Completes a continuation request and resumes the associated guest thread.
- * This function invalidates the token.
- * @param token The continuation token associated with the continuation request.
- */
-void ContinueClientThread(ThreadContinuationToken& token);
-
 /// Initialize ServiceManager
 void Init();
 
@@ -315,4 +275,4 @@ void AddNamedPort(std::string name, Kernel::SharedPtr<Kernel::ClientPort> port);
 /// Adds a service to the services table
 void AddService(Interface* interface_);
 
-} // namespace Service
+} // namespace