Removed std::enable_shared_from_this

Minor ID manager refactoring

Utilities/Thread.cpp

@@ -2238,18 +2238,18 @@ std::string named_thread::get_name() const
 	return fmt::format("('%s') Unnamed Thread", typeid(*this).name());
 }
 
-void named_thread::start()
+void named_thread::start_thread(const std::shared_ptr<void>& _this)
 {
-	// Get shared_ptr instance (will throw if called from the constructor or the object has been created incorrectly)
-	auto&& ptr = shared_from_this();
+	// Ensure it's not called from the constructor and the correct object is passed
+	ENSURES(_this.get() == this);
 
 	// Run thread
-	m_thread = thread_ctrl::spawn(get_name(), [thread = std::move(ptr)]()
+	m_thread = thread_ctrl::spawn(get_name(), [this, _this]()
 	{
 		try
 		{
 			LOG_TRACE(GENERAL, "Thread started");
-			thread->on_task();
+			on_task();
 			LOG_TRACE(GENERAL, "Thread ended");
 		}
 		catch (const std::exception& e)
@@ -2262,6 +2262,6 @@ void named_thread::start()
 			LOG_NOTICE(GENERAL, "Thread aborted");
 		}
 
-		thread->on_exit();
+		on_exit();
 	});
 }

Utilities/Thread.h

@@ -312,7 +312,7 @@ public:
 	}
 };
 
-class named_thread : public std::enable_shared_from_this<named_thread>
+class named_thread
 {
 	// Pointer to managed resource (shared with actual thread)
 	std::shared_ptr<thread_ctrl> m_thread;
@@ -329,8 +329,8 @@ public:
 	virtual std::string get_name() const;
 
 protected:
-	// Start thread (cannot be called from the constructor: should throw bad_weak_ptr in such case)
-	void start();
+	// Start thread (cannot be called from the constructor: should throw in such case)
+	void start_thread(const std::shared_ptr<void>& _this);
 
 	// Thread task (called in the thread)
 	virtual void on_task() = 0;
@@ -340,9 +340,9 @@ protected:
 
 public:
 	// ID initialization
-	virtual void on_init()
+	virtual void on_init(const std::shared_ptr<void>& _this)
 	{
-		start();
+		return start_thread(_this);
 	}
 
 	// ID finalization

rpcs3/Emu/Cell/RawSPUThread.cpp

@@ -24,7 +24,7 @@ void RawSPUThread::cpu_task()
 	npc = pc | ((ch_event_stat & SPU_EVENT_INTR_ENABLED) != 0);
 }
 
-void RawSPUThread::on_init()
+void RawSPUThread::on_init(const std::shared_ptr<void>& _this)
 {
 	if (!offset)
 	{
@@ -33,7 +33,7 @@ void RawSPUThread::on_init()
 		const_cast<u32&>(offset) = vm::falloc(RAW_SPU_BASE_ADDR + RAW_SPU_OFFSET * index, 0x40000);
 		VERIFY(offset);
 
-		SPUThread::on_init();
+		SPUThread::on_init(_this);
 	}
 }
 

rpcs3/Emu/Cell/RawSPUThread.h

@@ -14,7 +14,7 @@ public:
 	static constexpr u32 id_min = 0;
 	static constexpr u32 id_max = 4;
 
-	void on_init() override;
+	void on_init(const std::shared_ptr<void>&) override;
 
 	RawSPUThread(const std::string& name);
 

rpcs3/Emu/Cell/lv2/sys_cond.cpp

@@ -23,7 +23,7 @@ void lv2_cond_t::notify(lv2_lock_t, cpu_thread* thread)
 	}
 	else
 	{
-		mutex->owner = std::static_pointer_cast<cpu_thread>(thread->shared_from_this());
+		mutex->owner = idm::get<PPUThread>(thread->id);
 
 		VERIFY(!thread->state.test_and_set(cpu_state::signal));
 		(*thread)->notify();
@@ -212,7 +212,7 @@ s32 sys_cond_wait(PPUThread& ppu, u32 cond_id, u64 timeout)
 				// try to reown mutex and exit if timed out
 				if (!cond->mutex->owner)
 				{
-					cond->mutex->owner = std::static_pointer_cast<cpu_thread>(ppu.shared_from_this());
+					cond->mutex->owner = idm::get<PPUThread>(ppu.id);
 					break;
 				}
 

rpcs3/Emu/Cell/lv2/sys_mutex.cpp

@@ -18,7 +18,7 @@ void lv2_mutex_t::unlock(lv2_lock_t)
 	if (sq.size())
 	{
 		// pick new owner; protocol is ignored in current implementation
-		owner = std::static_pointer_cast<cpu_thread>(sq.front()->shared_from_this());
+		owner = idm::get<PPUThread>(sq.front()->id);
 
 		VERIFY(!owner->state.test_and_set(cpu_state::signal));
 		(*owner)->notify();
@@ -127,7 +127,7 @@ s32 sys_mutex_lock(PPUThread& ppu, u32 mutex_id, u64 timeout)
 	// lock immediately if not locked
 	if (!mutex->owner)
 	{
-		mutex->owner = std::static_pointer_cast<cpu_thread>(ppu.shared_from_this());
+		mutex->owner = idm::get<PPUThread>(ppu.id);
 
 		return CELL_OK;
 	}
@@ -202,7 +202,7 @@ s32 sys_mutex_trylock(PPUThread& ppu, u32 mutex_id)
 	}
 
 	// own the mutex if free
-	mutex->owner = std::static_pointer_cast<cpu_thread>(ppu.shared_from_this());
+	mutex->owner = idm::get<PPUThread>(ppu.id);
 
 	return CELL_OK;
 }

rpcs3/Emu/Cell/lv2/sys_rwlock.cpp

@@ -16,7 +16,7 @@ void lv2_rwlock_t::notify_all(lv2_lock_t)
 	// pick a new writer if possible; protocol is ignored in current implementation
 	if (!readers && !writer && wsq.size())
 	{
-		writer = std::static_pointer_cast<cpu_thread>(wsq.front()->shared_from_this());
+		writer = idm::get<PPUThread>(wsq.front()->id);
 
 		VERIFY(!writer->state.test_and_set(cpu_state::signal));
 		(*writer)->notify();
@@ -221,7 +221,7 @@ s32 sys_rwlock_wlock(PPUThread& ppu, u32 rw_lock_id, u64 timeout)
 
 	if (!rwlock->readers && !rwlock->writer)
 	{
-		rwlock->writer = std::static_pointer_cast<cpu_thread>(ppu.shared_from_this());
+		rwlock->writer = idm::get<PPUThread>(ppu.id);
 
 		return CELL_OK;
 	}
@@ -293,7 +293,7 @@ s32 sys_rwlock_trywlock(PPUThread& ppu, u32 rw_lock_id)
 		return CELL_EBUSY;
 	}
 
-	rwlock->writer = std::static_pointer_cast<cpu_thread>(ppu.shared_from_this());
+	rwlock->writer = idm::get<PPUThread>(ppu.id);
 
 	return CELL_OK;
 }

rpcs3/Emu/IdManager.h

@@ -35,7 +35,7 @@ namespace id_manager
 	template<typename T, typename = void>
 	struct on_init
 	{
-		static inline void func(T*)
+		static inline void func(T*, const std::shared_ptr<void>&)
 		{
 			// Forbid forward declarations
 			static constexpr auto size = sizeof(std::conditional_t<std::is_void<T>::value, void*, T>);
@@ -43,11 +43,11 @@ namespace id_manager
 	};
 
 	template<typename T>
-	struct on_init<T, decltype(std::declval<T>().on_init())>
+	struct on_init<T, decltype(std::declval<T>().on_init(std::declval<const std::shared_ptr<void>&>()))>
 	{
-		static inline void func(T* ptr)
+		static inline void func(T* ptr, const std::shared_ptr<void>&_ptr)
 		{
-			if (ptr) ptr->on_init();
+			if (ptr) ptr->on_init(_ptr);
 		}
 	};
 
@@ -87,7 +87,6 @@ namespace id_manager
 		static u32 add_type();
 
 	public:
-		void(*on_init)(void*) = nullptr;
 		void(*on_stop)(void*) = nullptr;
 
 		// Get type index
@@ -101,10 +100,7 @@ namespace id_manager
 		template<typename T>
 		static inline void update()
 		{
-			auto& info = access()[get_index<T>()];
-
-			info.on_init = [](void* ptr) { return_ id_manager::on_init<T>::func(static_cast<T*>(ptr)); };
-			info.on_stop = [](void* ptr) { return_ id_manager::on_stop<T>::func(static_cast<T*>(ptr)); };
+			access()[get_index<T>()].on_stop = [](void* ptr) { return_ id_manager::on_stop<T>::func(static_cast<T*>(ptr)); };
 		}
 
 		// Read all registered types
@@ -251,7 +247,7 @@ public:
 	{
 		if (auto pair = create_id<T>(WRAP_EXPR(std::make_shared<Make>(std::forward<Args>(args)...))))
 		{
-			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()));
+			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()), pair->second);
 			id_manager::on_stop<T>::func(nullptr);
 			return{ pair->second, static_cast<T*>(pair->second.get()) };
 		}
@@ -265,7 +261,7 @@ public:
 	{
 		if (auto pair = create_id<T>(WRAP_EXPR(std::make_shared<Make>(std::forward<Args>(args)...))))
 		{
-			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()));
+			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()), pair->second);
 			id_manager::on_stop<T>::func(nullptr);
 			return pair->first;
 		}
@@ -279,7 +275,7 @@ public:
 	{
 		if (auto pair = create_id<T>(WRAP_EXPR(ptr)))
 		{
-			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()));
+			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()), pair->second);
 			id_manager::on_stop<T>::func(nullptr);
 			return pair->first;
 		}
@@ -293,7 +289,7 @@ public:
 	{
 		if (auto pair = create_id<T>(std::forward<F>(provider)))
 		{
-			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()));
+			id_manager::on_init<T>::func(static_cast<T*>(pair->second.get()), pair->second);
 			id_manager::on_stop<T>::func(nullptr);
 			return { pair->second, static_cast<T*>(pair->second.get()) };
 		}
@@ -477,7 +473,7 @@ public:
 
 		if (ptr)
 		{
-			id_manager::on_init<T>::func(ptr.get());
+			id_manager::on_init<T>::func(ptr.get(), ptr);
 			id_manager::on_stop<T>::func(nullptr);
 		}
 
@@ -506,7 +502,7 @@ public:
 			id_manager::on_stop<T>::func(static_cast<T*>(old.get()));
 		}
 
-		id_manager::on_init<T>::func(ptr.get());
+		id_manager::on_init<T>::func(ptr.get(), ptr);
 		return ptr;
 	}
 
@@ -530,7 +526,7 @@ public:
 
 		if (ptr)
 		{
-			id_manager::on_init<T>::func(ptr.get());
+			id_manager::on_init<T>::func(ptr.get(), ptr);
 			id_manager::on_stop<T>::func(nullptr);
 		}
 
@@ -559,7 +555,7 @@ public:
 			id_manager::on_stop<T>::func(static_cast<T*>(old.get()));
 		}
 
-		id_manager::on_init<T>::func(ptr.get());
+		id_manager::on_init<T>::func(ptr.get(), ptr);
 		return ptr;
 	}
 
@@ -585,7 +581,7 @@ public:
 			}
 		}
 
-		id_manager::on_init<T>::func(ptr.get());
+		id_manager::on_init<T>::func(ptr.get(), ptr);
 		id_manager::on_stop<T>::func(nullptr);
 		return ptr;
 	}

rpcs3/Emu/RSX/RSXThread.cpp

@@ -2,6 +2,7 @@
 #include "Utilities/Config.h"
 #include "Emu/Memory/Memory.h"
 #include "Emu/System.h"
+#include "Emu/IdManager.h"
 #include "RSXThread.h"
 
 #include "Emu/Cell/PPUCallback.h"
@@ -14,6 +15,8 @@
 
 #include <thread>
 
+class GSRender;
+
 #define CMD_DEBUG 0
 
 cfg::bool_entry g_cfg_rsx_write_color_buffers(cfg::root.video, "Write Color Buffers");
@@ -881,7 +884,7 @@ namespace rsx
 		m_used_gcm_commands.clear();
 
 		on_init_rsx();
-		start();
+		start_thread(fxm::get<GSRender>());
 	}
 
 	GcmTileInfo *thread::find_tile(u32 offset, u32 location)

rpcs3/Emu/RSX/RSXThread.h

@@ -274,7 +274,7 @@ namespace rsx
 	public:
 		virtual std::string get_name() const override;
 
-		virtual void on_init() override {} // disable start() (TODO)
+		virtual void on_init(const std::shared_ptr<void>&) override {} // disable start() (TODO)
 		virtual void on_stop() override {} // disable join()
 
 		virtual void begin();