Make controller button code thread-safe (#405)

* Refactor spinlock to meet Lockable requirements
* Input: Refactor button code and make it thread-safe

src/Cafe/HW/Espresso/Debugger/DebugSymbolStorage.h

@@ -24,28 +24,28 @@ class DebugSymbolStorage
 public:
 	static void StoreDataType(MPTR address, DEBUG_SYMBOL_TYPE type)
 	{
-		s_lock.acquire();
+		s_lock.lock();
 		s_typeStorage[address] = type;
-		s_lock.release();
+		s_lock.unlock();
 	}
 
 	static DEBUG_SYMBOL_TYPE GetDataType(MPTR address)
 	{
-		s_lock.acquire();
+		s_lock.lock();
 		auto itr = s_typeStorage.find(address);
 		if (itr == s_typeStorage.end())
 		{
-			s_lock.release();
+			s_lock.unlock();
 			return DEBUG_SYMBOL_TYPE::UNDEFINED;
 		}
 		DEBUG_SYMBOL_TYPE t = itr->second;
-		s_lock.release();
+		s_lock.unlock();
 		return t;
 	}
 
 	static void ClearRange(MPTR address, uint32 length)
 	{
-		s_lock.acquire();
+		s_lock.lock();
 		while (length > 0)
 		{
 			auto itr = s_typeStorage.find(address);
@@ -54,7 +54,7 @@ public:
 			address += 4;
 			length -= 4;
 		}
-		s_lock.release();
+		s_lock.unlock();
 	}
 
 private:

src/Cafe/HW/Espresso/PPCTimer.cpp

@@ -129,7 +129,7 @@ FSpinlock sTimerSpinlock;
 // thread safe
 uint64 PPCTimer_getFromRDTSC()
 {
-	sTimerSpinlock.acquire();
+	sTimerSpinlock.lock();
 	_mm_mfence();
 	uint64 rdtscCurrentMeasure = __rdtsc();
 	uint64 rdtscDif = rdtscCurrentMeasure - _rdtscLastMeasure;
@@ -165,6 +165,6 @@ uint64 PPCTimer_getFromRDTSC()
 
 	_tickSummary += elapsedTick;
 
-	sTimerSpinlock.release();
+	sTimerSpinlock.unlock();
 	return _tickSummary;
 }

src/Cafe/HW/Espresso/Recompiler/PPCRecompiler.cpp

@@ -47,20 +47,20 @@ void PPCRecompiler_visitAddressNoBlock(uint32 enterAddress)
 	if (ppcRecompilerInstanceData->ppcRecompilerDirectJumpTable[enterAddress / 4] != PPCRecompiler_leaveRecompilerCode_unvisited)
 		return;
 	// try to acquire lock
-	if (!PPCRecompilerState.recompilerSpinlock.tryAcquire())
+	if (!PPCRecompilerState.recompilerSpinlock.try_lock())
 		return;
 	auto funcPtr = ppcRecompilerInstanceData->ppcRecompilerDirectJumpTable[enterAddress / 4];
 	if (funcPtr != PPCRecompiler_leaveRecompilerCode_unvisited)
 	{
 		// was visited since previous check
-		PPCRecompilerState.recompilerSpinlock.release();
+		PPCRecompilerState.recompilerSpinlock.unlock();
 		return;
 	}
 	// add to recompilation queue and flag as visited
 	PPCRecompilerState.targetQueue.emplace(enterAddress);
 	ppcRecompilerInstanceData->ppcRecompilerDirectJumpTable[enterAddress / 4] = PPCRecompiler_leaveRecompilerCode_visited;
 
-	PPCRecompilerState.recompilerSpinlock.release();
+	PPCRecompilerState.recompilerSpinlock.unlock();
 }
 
 void PPCRecompiler_recompileIfUnvisited(uint32 enterAddress)
@@ -193,13 +193,13 @@ PPCRecFunction_t* PPCRecompiler_recompileFunction(PPCFunctionBoundaryTracker::PP
 bool PPCRecompiler_makeRecompiledFunctionActive(uint32 initialEntryPoint, PPCFunctionBoundaryTracker::PPCRange_t& range, PPCRecFunction_t* ppcRecFunc, std::vector<std::pair<MPTR, uint32>>& entryPoints)
 {
 	// update jump table
-	PPCRecompilerState.recompilerSpinlock.acquire();
+	PPCRecompilerState.recompilerSpinlock.lock();
 
 	// check if the initial entrypoint is still flagged for recompilation
 	// its possible that the range has been invalidated during the time it took to translate the function
 	if (ppcRecompilerInstanceData->ppcRecompilerDirectJumpTable[initialEntryPoint / 4] != PPCRecompiler_leaveRecompilerCode_visited)
 	{
-		PPCRecompilerState.recompilerSpinlock.release();
+		PPCRecompilerState.recompilerSpinlock.unlock();
 		return false;
 	}
 
@@ -221,7 +221,7 @@ bool PPCRecompiler_makeRecompiledFunctionActive(uint32 initialEntryPoint, PPCFun
 	PPCRecompilerState.invalidationRanges.clear();
 	if (isInvalidated)
 	{
-		PPCRecompilerState.recompilerSpinlock.release();
+		PPCRecompilerState.recompilerSpinlock.unlock();
 		return false;
 	}
 
@@ -249,7 +249,7 @@ bool PPCRecompiler_makeRecompiledFunctionActive(uint32 initialEntryPoint, PPCFun
 	{
 		r.storedRange = rangeStore_ppcRanges.storeRange(ppcRecFunc, r.ppcAddress, r.ppcAddress + r.ppcSize);
 	}
-	PPCRecompilerState.recompilerSpinlock.release();
+	PPCRecompilerState.recompilerSpinlock.unlock();
 
 
 	return true;
@@ -272,13 +272,13 @@ void PPCRecompiler_recompileAtAddress(uint32 address)
 	// todo - use info from previously compiled ranges to determine full size of this function (and merge all the entryAddresses)
 
 	// collect all currently known entry points for this range
-	PPCRecompilerState.recompilerSpinlock.acquire();
+	PPCRecompilerState.recompilerSpinlock.lock();
 
 	std::set<uint32> entryAddresses;
 
 	entryAddresses.emplace(address);
 
-	PPCRecompilerState.recompilerSpinlock.release();
+	PPCRecompilerState.recompilerSpinlock.unlock();
 
 	std::vector<std::pair<MPTR, uint32>> functionEntryPoints;
 	auto func = PPCRecompiler_recompileFunction(range, entryAddresses, functionEntryPoints);
@@ -302,10 +302,10 @@ void PPCRecompiler_thread()
 		// 3) if yes -> calculate size, gather all entry points, recompile and update jump table
 		while (true)
 		{
-			PPCRecompilerState.recompilerSpinlock.acquire();
+			PPCRecompilerState.recompilerSpinlock.lock();
 			if (PPCRecompilerState.targetQueue.empty())
 			{
-				PPCRecompilerState.recompilerSpinlock.release();
+				PPCRecompilerState.recompilerSpinlock.unlock();
 				break;
 			}
 			auto enterAddress = PPCRecompilerState.targetQueue.front();
@@ -315,10 +315,10 @@ void PPCRecompiler_thread()
 			if (funcPtr != PPCRecompiler_leaveRecompilerCode_visited)
 			{
 				// only recompile functions if marked as visited
-				PPCRecompilerState.recompilerSpinlock.release();
+				PPCRecompilerState.recompilerSpinlock.unlock();
 				continue;
 			}
-			PPCRecompilerState.recompilerSpinlock.release();
+			PPCRecompilerState.recompilerSpinlock.unlock();
 
 			PPCRecompiler_recompileAtAddress(enterAddress);
 		}
@@ -376,7 +376,7 @@ struct ppcRecompilerFuncRange_t
 
 bool PPCRecompiler_findFuncRanges(uint32 addr, ppcRecompilerFuncRange_t* rangesOut, size_t* countInOut)
 {
-	PPCRecompilerState.recompilerSpinlock.acquire();
+	PPCRecompilerState.recompilerSpinlock.lock();
 	size_t countIn = *countInOut;
 	size_t countOut = 0;
 
@@ -392,7 +392,7 @@ bool PPCRecompiler_findFuncRanges(uint32 addr, ppcRecompilerFuncRange_t* rangesO
 		countOut++;
 	}
 	);
-	PPCRecompilerState.recompilerSpinlock.release();
+	PPCRecompilerState.recompilerSpinlock.unlock();
 	*countInOut = countOut;
 	if (countOut > countIn)
 		return false;
@@ -420,7 +420,7 @@ void PPCRecompiler_invalidateTableRange(uint32 offset, uint32 size)
 void PPCRecompiler_deleteFunction(PPCRecFunction_t* func)
 {
 	// assumes PPCRecompilerState.recompilerSpinlock is already held
-	cemu_assert_debug(PPCRecompilerState.recompilerSpinlock.isHolding());
+	cemu_assert_debug(PPCRecompilerState.recompilerSpinlock.is_locked());
 	for (auto& r : func->list_ranges)
 	{
 		PPCRecompiler_invalidateTableRange(r.ppcAddress, r.ppcSize);
@@ -439,7 +439,7 @@ void PPCRecompiler_invalidateRange(uint32 startAddr, uint32 endAddr)
 		return;
 	cemu_assert_debug(endAddr >= startAddr);
 
-	PPCRecompilerState.recompilerSpinlock.acquire();
+	PPCRecompilerState.recompilerSpinlock.lock();
 
 	uint32 rStart;
 	uint32 rEnd;
@@ -458,7 +458,7 @@ void PPCRecompiler_invalidateRange(uint32 startAddr, uint32 endAddr)
 		PPCRecompiler_deleteFunction(rFunc);
 	}
 
-	PPCRecompilerState.recompilerSpinlock.release();
+	PPCRecompilerState.recompilerSpinlock.unlock();
 }
 
 void PPCRecompiler_init()

src/Cafe/HW/Latte/Core/FetchShader.cpp

@@ -516,16 +516,16 @@ FSpinlock s_spinlockFetchShaderCache;
 
 LatteFetchShader* LatteFetchShader::RegisterInCache(CacheHash fsHash)
 {
-	s_spinlockFetchShaderCache.acquire();
+	s_spinlockFetchShaderCache.lock();
 	auto itr = s_fetchShaderByHash.find(fsHash);
 	if (itr != s_fetchShaderByHash.end())
 	{
 		LatteFetchShader* fs = itr->second;
-		s_spinlockFetchShaderCache.release();
+		s_spinlockFetchShaderCache.unlock();
 		return fs;
 	}
 	s_fetchShaderByHash.emplace(fsHash, this);
-	s_spinlockFetchShaderCache.release();
+	s_spinlockFetchShaderCache.unlock();
 	return nullptr;
 }
 
@@ -533,11 +533,11 @@ void LatteFetchShader::UnregisterInCache()
 {
 	if (!m_isRegistered)
 		return;
-	s_spinlockFetchShaderCache.acquire();
+	s_spinlockFetchShaderCache.lock();
 	auto itr = s_fetchShaderByHash.find(m_cacheHash);
 	cemu_assert(itr == s_fetchShaderByHash.end());
 	s_fetchShaderByHash.erase(itr);
-	s_spinlockFetchShaderCache.release();
+	s_spinlockFetchShaderCache.unlock();
 }
 
 std::unordered_map<LatteFetchShader::CacheHash, LatteFetchShader*> LatteFetchShader::s_fetchShaderByHash;

src/Cafe/HW/Latte/Core/LatteBufferCache.cpp

@@ -1074,19 +1074,19 @@ void LatteBufferCache_notifyDCFlush(MPTR address, uint32 size)
 
 	uint32 firstPage = address / CACHE_PAGE_SIZE;
 	uint32 lastPage = (address + size - 1) / CACHE_PAGE_SIZE;
-	g_spinlockDCFlushQueue.acquire();
+	g_spinlockDCFlushQueue.lock();
 	for (uint32 i = firstPage; i <= lastPage; i++)
 		s_DCFlushQueue->Set(i);
-	g_spinlockDCFlushQueue.release();
+	g_spinlockDCFlushQueue.unlock();
 }
 
 void LatteBufferCache_processDCFlushQueue()
 {
 	if (s_DCFlushQueue->Empty()) // quick check to avoid locking if there is no work to do
 		return;
-	g_spinlockDCFlushQueue.acquire();
+	g_spinlockDCFlushQueue.lock();
 	std::swap(s_DCFlushQueue, s_DCFlushQueueAlternate);
-	g_spinlockDCFlushQueue.release();
+	g_spinlockDCFlushQueue.unlock();
 	s_DCFlushQueueAlternate->ForAllAndClear([](uint32 index) {LatteBufferCache_invalidatePage(index * CACHE_PAGE_SIZE); });
 }
 

src/Cafe/HW/Latte/Renderer/Vulkan/CachedFBOVk.h

@@ -37,16 +37,16 @@ public:
 
 	void TrackDependency(class PipelineInfo* pipelineInfo)
 	{
-		s_spinlockDependency.acquire();
+		s_spinlockDependency.lock();
 		m_usedByPipelines.emplace_back(pipelineInfo);
-		s_spinlockDependency.release();
+		s_spinlockDependency.unlock();
 	}
 
 	void RemoveDependency(class PipelineInfo* pipelineInfo)
 	{
-		s_spinlockDependency.acquire();
+		s_spinlockDependency.lock();
 		vectorRemoveByValue(m_usedByPipelines, pipelineInfo);
-		s_spinlockDependency.release();
+		s_spinlockDependency.unlock();
 	}
 
 	[[nodiscard]] const VkExtent2D& GetExtend() const { return m_extend;}

src/Cafe/HW/Latte/Renderer/Vulkan/RendererShaderVk.h

@@ -37,16 +37,16 @@ public:
 
 	void TrackDependency(class PipelineInfo* p)
 	{
-		s_dependencyLock.acquire();
+		s_dependencyLock.lock();
 		list_pipelineInfo.emplace_back(p);
-		s_dependencyLock.release();
+		s_dependencyLock.unlock();
 	}
 
 	void RemoveDependency(class PipelineInfo* p)
 	{
-		s_dependencyLock.acquire();
+		s_dependencyLock.lock();
 		vectorRemoveByValue(list_pipelineInfo, p);
-		s_dependencyLock.release();
+		s_dependencyLock.unlock();
 	}
 
 	void PreponeCompilation(bool isRenderThread) override;

src/Cafe/HW/Latte/Renderer/Vulkan/VulkanPipelineStableCache.cpp

@@ -206,18 +206,18 @@ void VulkanPipelineStableCache::LoadPipelineFromCache(std::span<uint8> fileData)
 
 	// deserialize file
 	LatteContextRegister* lcr = new LatteContextRegister();
-	s_spinlockSharedInternal.acquire();
+	s_spinlockSharedInternal.lock();
 	CachedPipeline* cachedPipeline = new CachedPipeline();
-	s_spinlockSharedInternal.release();
+	s_spinlockSharedInternal.unlock();
 
 	MemStreamReader streamReader(fileData.data(), fileData.size());
 	if (!DeserializePipeline(streamReader, *cachedPipeline))
 	{
 		// failed to deserialize
-		s_spinlockSharedInternal.acquire();
+		s_spinlockSharedInternal.lock();
 		delete lcr;
 		delete cachedPipeline;
-		s_spinlockSharedInternal.release();
+		s_spinlockSharedInternal.unlock();
 		return;
 	}
 	// restored register view from compacted state
@@ -264,18 +264,18 @@ void VulkanPipelineStableCache::LoadPipelineFromCache(std::span<uint8> fileData)
 	}
 	auto renderPass = __CreateTemporaryRenderPass(pixelShader, *lcr);
 	// create pipeline info
-	m_pipelineIsCachedLock.acquire();
+	m_pipelineIsCachedLock.lock();
 	PipelineInfo* pipelineInfo = new PipelineInfo(0, 0, vertexShader->compatibleFetchShader, vertexShader, pixelShader, geometryShader);
-	m_pipelineIsCachedLock.release();
+	m_pipelineIsCachedLock.unlock();
 	// compile
 	{
 		PipelineCompiler pp;
 		if (!pp.InitFromCurrentGPUState(pipelineInfo, *lcr, renderPass))
 		{
-			s_spinlockSharedInternal.acquire();
+			s_spinlockSharedInternal.lock();
 			delete lcr;
 			delete cachedPipeline;
-			s_spinlockSharedInternal.release();
+			s_spinlockSharedInternal.unlock();
 			return;
 		}
 		pp.Compile(true, true, false);
@@ -284,16 +284,16 @@ void VulkanPipelineStableCache::LoadPipelineFromCache(std::span<uint8> fileData)
 	// on success, calculate pipeline hash and flag as present in cache
 	uint64 pipelineBaseHash = vertexShader->baseHash;
 	uint64 pipelineStateHash = VulkanRenderer::draw_calculateGraphicsPipelineHash(vertexShader->compatibleFetchShader, vertexShader, geometryShader, pixelShader, renderPass, *lcr);
-	m_pipelineIsCachedLock.acquire();
+	m_pipelineIsCachedLock.lock();
 	m_pipelineIsCached.emplace(pipelineBaseHash, pipelineStateHash);
-	m_pipelineIsCachedLock.release();
+	m_pipelineIsCachedLock.unlock();
 	// clean up
-	s_spinlockSharedInternal.acquire();
+	s_spinlockSharedInternal.lock();
 	delete pipelineInfo;
 	delete lcr;
 	delete cachedPipeline;
 	VulkanRenderer::GetInstance()->releaseDestructibleObject(renderPass);
-	s_spinlockSharedInternal.release();
+	s_spinlockSharedInternal.unlock();
 }
 
 bool VulkanPipelineStableCache::HasPipelineCached(uint64 baseHash, uint64 pipelineStateHash)

src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp

@@ -3447,14 +3447,14 @@ void VulkanRenderer::releaseDestructibleObject(VKRDestructibleObject* destructib
 		return;
 	}
 	// otherwise put on queue
-	m_spinlockDestructionQueue.acquire();
+	m_spinlockDestructionQueue.lock();
 	m_destructionQueue.emplace_back(destructibleObject);
-	m_spinlockDestructionQueue.release();
+	m_spinlockDestructionQueue.unlock();
 }
 
 void VulkanRenderer::ProcessDestructionQueue2()
 {
-	m_spinlockDestructionQueue.acquire();
+	m_spinlockDestructionQueue.lock();
 	for (auto it = m_destructionQueue.begin(); it != m_destructionQueue.end();)
 	{
 		if ((*it)->canDestroy())
@@ -3465,7 +3465,7 @@ void VulkanRenderer::ProcessDestructionQueue2()
 		}
 		++it;
 	}
-	m_spinlockDestructionQueue.release();
+	m_spinlockDestructionQueue.unlock();
 }
 
 VkDescriptorSetInfo::~VkDescriptorSetInfo()
@@ -4010,9 +4010,9 @@ void VulkanRenderer::AppendOverlayDebugInfo()
 	ImGui::Text("ImageView      %u", performanceMonitor.vk.numImageViews.get());
 	ImGui::Text("RenderPass     %u", performanceMonitor.vk.numRenderPass.get());
 	ImGui::Text("Framebuffer    %u", performanceMonitor.vk.numFramebuffer.get());
-	m_spinlockDestructionQueue.acquire();
+	m_spinlockDestructionQueue.lock();
 	ImGui::Text("DestructionQ   %u", (unsigned int)m_destructionQueue.size());
-	m_spinlockDestructionQueue.release();
+	m_spinlockDestructionQueue.unlock();
 
 
 	ImGui::Text("BeginRP/f      %u", performanceMonitor.vk.numBeginRenderpassPerFrame.get());

src/Cafe/IOSU/kernel/iosu_kernel.cpp

@@ -234,38 +234,38 @@ namespace iosu
 
 		void _IPCInitDispatchablePool()
 		{
-			sIPCDispatchableCommandPoolLock.acquire();
+			sIPCDispatchableCommandPoolLock.lock();
 			while (!sIPCFreeDispatchableCommands.empty())
 				sIPCFreeDispatchableCommands.pop();
 			for (size_t i = 0; i < sIPCDispatchableCommandPool.GetCount(); i++)
 				sIPCFreeDispatchableCommands.push(sIPCDispatchableCommandPool.GetPtr()+i);
-			sIPCDispatchableCommandPoolLock.release();
+			sIPCDispatchableCommandPoolLock.unlock();
 		}
 
 		IOSDispatchableCommand* _IPCAllocateDispatchableCommand()
 		{
-			sIPCDispatchableCommandPoolLock.acquire();
+			sIPCDispatchableCommandPoolLock.lock();
 			if (sIPCFreeDispatchableCommands.empty())
 			{
 				cemuLog_log(LogType::Force, "IOS: Exhausted pool of dispatchable commands");
-				sIPCDispatchableCommandPoolLock.release();
+				sIPCDispatchableCommandPoolLock.unlock();
 				return nullptr;
 			}
 			IOSDispatchableCommand* cmd = sIPCFreeDispatchableCommands.front();
 			sIPCFreeDispatchableCommands.pop();
 			cemu_assert_debug(!cmd->isAllocated);
 			cmd->isAllocated = true;
-			sIPCDispatchableCommandPoolLock.release();
+			sIPCDispatchableCommandPoolLock.unlock();
 			return cmd;
 		}
 
 		void _IPCReleaseDispatchableCommand(IOSDispatchableCommand* cmd)
 		{
-			sIPCDispatchableCommandPoolLock.acquire();
+			sIPCDispatchableCommandPoolLock.lock();
 			cemu_assert_debug(cmd->isAllocated);
 			cmd->isAllocated = false;
 			sIPCFreeDispatchableCommands.push(cmd);
-			sIPCDispatchableCommandPoolLock.release();
+			sIPCDispatchableCommandPoolLock.unlock();
 		}
 
 		static constexpr size_t MAX_NUM_ACTIVE_DEV_HANDLES = 96; // per process

src/Cafe/OS/libs/coreinit/coreinit_Callbacks.cpp

@@ -8,27 +8,27 @@ struct CoreinitAsyncCallback
 
 	static void queue(MPTR functionMPTR, uint32 numParameters, uint32 r3, uint32 r4, uint32 r5, uint32 r6, uint32 r7, uint32 r8, uint32 r9, uint32 r10)
 	{
-		s_asyncCallbackSpinlock.acquire();
+		s_asyncCallbackSpinlock.lock();
 		s_asyncCallbackQueue.emplace_back(allocateAndInitFromPool(functionMPTR, numParameters, r3, r4, r5, r6, r7, r8, r9, r10));
-		s_asyncCallbackSpinlock.release();
+		s_asyncCallbackSpinlock.unlock();
 	}
 
 	static void callNextFromQueue()
 	{
-		s_asyncCallbackSpinlock.acquire();
+		s_asyncCallbackSpinlock.lock();
 		if (s_asyncCallbackQueue.empty())
 		{
 			cemuLog_log(LogType::Force, "AsyncCallbackQueue is empty. Unexpected behavior");
-			s_asyncCallbackSpinlock.release();
+			s_asyncCallbackSpinlock.unlock();
 			return;
 		}
 		CoreinitAsyncCallback* cb = s_asyncCallbackQueue[0];
 		s_asyncCallbackQueue.erase(s_asyncCallbackQueue.begin());
-		s_asyncCallbackSpinlock.release();
+		s_asyncCallbackSpinlock.unlock();
 		cb->doCall();
-		s_asyncCallbackSpinlock.acquire();
+		s_asyncCallbackSpinlock.lock();
 		releaseToPool(cb);
-		s_asyncCallbackSpinlock.release();
+		s_asyncCallbackSpinlock.unlock();
 	}
 
 private:
@@ -39,7 +39,7 @@ private:
 	
 	static CoreinitAsyncCallback* allocateAndInitFromPool(MPTR functionMPTR, uint32 numParameters, uint32 r3, uint32 r4, uint32 r5, uint32 r6, uint32 r7, uint32 r8, uint32 r9, uint32 r10)
 	{
-		cemu_assert_debug(s_asyncCallbackSpinlock.isHolding());
+		cemu_assert_debug(s_asyncCallbackSpinlock.is_locked());
 		if (s_asyncCallbackPool.empty())
 		{
 			CoreinitAsyncCallback* cb = new CoreinitAsyncCallback(functionMPTR, numParameters, r3, r4, r5, r6, r7, r8, r9, r10);
@@ -54,7 +54,7 @@ private:
 
 	static void releaseToPool(CoreinitAsyncCallback* cb)
 	{
-		cemu_assert_debug(s_asyncCallbackSpinlock.isHolding());
+		cemu_assert_debug(s_asyncCallbackSpinlock.is_locked());
 		s_asyncCallbackPool.emplace_back(cb);
 	}
 

src/Cafe/OS/libs/coreinit/coreinit_MPQueue.cpp

@@ -6,8 +6,8 @@
 
 // titles that utilize MP task queue: Yoshi's Woolly World, Fast Racing Neo, Tokyo Mirage Sessions, Mii Maker
 
-#define AcquireMPQLock() s_workaroundSpinlock.acquire()
-#define ReleaseMPQLock() s_workaroundSpinlock.release()
+#define AcquireMPQLock() s_workaroundSpinlock.lock()
+#define ReleaseMPQLock() s_workaroundSpinlock.unlock()
 
 namespace coreinit
 {
@@ -35,7 +35,7 @@ namespace coreinit
 
 	void MPInitTask(MPTask* task, void* func, void* data, uint32 size)
 	{
-		s_workaroundSpinlock.acquire();
+		s_workaroundSpinlock.lock();
 		task->thisptr = task;
 		
 		task->coreIndex = PPC_CORE_COUNT;
@@ -48,7 +48,7 @@ namespace coreinit
 		
 		task->userdata = nullptr;
 		task->runtime = 0;
-		s_workaroundSpinlock.release();
+		s_workaroundSpinlock.unlock();
 	}
 
 	bool MPTermTask(MPTask* task)

src/Cafe/OS/libs/coreinit/coreinit_Synchronization.cpp

@@ -465,12 +465,12 @@ namespace coreinit
 
 	void _OSFastMutex_AcquireContention(OSFastMutex* fastMutex)
 	{
-		g_fastMutexSpinlock.acquire();
+		g_fastMutexSpinlock.lock();
 	}
 
 	void _OSFastMutex_ReleaseContention(OSFastMutex* fastMutex)
 	{
-		g_fastMutexSpinlock.release();
+		g_fastMutexSpinlock.unlock();
 	}
 
 	void OSFastMutex_LockInternal(OSFastMutex* fastMutex)

src/Cafe/OS/libs/snd_core/ax_ist.cpp

@@ -778,7 +778,7 @@ namespace snd_core
 
 	void AXIst_SyncVPB(AXVPBInternal_t** lastProcessedDSPShadowCopy, AXVPBInternal_t** lastProcessedPPCShadowCopy)
 	{
-		__AXVoiceListSpinlock.acquire();
+		__AXVoiceListSpinlock.lock();
 
 		AXVPBInternal_t* previousInternalDSP = nullptr;
 		AXVPBInternal_t* previousInternalPPC = nullptr;
@@ -869,7 +869,7 @@ namespace snd_core
 			else
 				*lastProcessedPPCShadowCopy = nullptr;
 		}
-		__AXVoiceListSpinlock.release();
+		__AXVoiceListSpinlock.unlock();
 	}
 
 	void AXIst_HandleFrameCallbacks()

src/Cafe/OS/libs/snd_core/ax_voice.cpp

@@ -393,7 +393,7 @@ namespace snd_core
 	AXVPB* AXAcquireVoiceEx(uint32 priority, MPTR callbackEx, MPTR userParam)
 	{
 		cemu_assert(priority != AX_PRIORITY_FREE && priority < AX_PRIORITY_MAX);
-		__AXVoiceListSpinlock.acquire();
+		__AXVoiceListSpinlock.lock();
 		AXVPB* vpb = AXVoiceList_GetFreeVoice();
 		if (vpb != nullptr)
 		{
@@ -410,7 +410,7 @@ namespace snd_core
 			if (droppedVoice == nullptr)
 			{
 				// no voice available
-				__AXVoiceListSpinlock.release();
+				__AXVoiceListSpinlock.unlock();
 				return nullptr;
 			}
 			vpb->userParam = userParam;
@@ -418,18 +418,18 @@ namespace snd_core
 			vpb->callbackEx = callbackEx;
 			AXVPB_SetVoiceDefault(vpb);
 		}
-		__AXVoiceListSpinlock.release();
+		__AXVoiceListSpinlock.unlock();
 		return vpb;
 	}
 
 	void AXFreeVoice(AXVPB* vpb)
 	{
 		cemu_assert(vpb != nullptr);
-		__AXVoiceListSpinlock.acquire();
+		__AXVoiceListSpinlock.lock();
 		if (vpb->priority == (uint32be)AX_PRIORITY_FREE)
 		{
 			forceLog_printf("AXFreeVoice() called on free voice\n");
-			__AXVoiceListSpinlock.release();
+			__AXVoiceListSpinlock.unlock();
 			return;
 		}
 		AXVoiceProtection_Release(vpb);
@@ -442,7 +442,7 @@ namespace snd_core
 		vpb->callback = MPTR_NULL;
 		vpb->callbackEx = MPTR_NULL;
 		AXVoiceList_AddFreeVoice(vpb);
-		__AXVoiceListSpinlock.release();
+		__AXVoiceListSpinlock.unlock();
 	}
 
 	void AXVPBInit()

src/gui/guiWrapper.h

@@ -45,7 +45,8 @@ struct WindowInfo
 	{
 		const std::lock_guard<std::mutex> lock(keycode_mutex);
 		m_keydown[keycode] = state;
-	};
+	}
+
 	bool get_keystate(uint32 keycode)
 	{
 		const std::lock_guard<std::mutex> lock(keycode_mutex);
@@ -54,25 +55,20 @@ struct WindowInfo
 			return false;
 		return result->second;
 	}
-	void get_keystates(std::unordered_map<uint32, bool>& buttons_out)
-	{
-		const std::lock_guard<std::mutex> lock(keycode_mutex);
-		for (auto&& button : m_keydown)
-		{
-			buttons_out[button.first] = button.second;
-		}
-	}
+
 	void set_keystatesdown()
 	{
 		const std::lock_guard<std::mutex> lock(keycode_mutex);
 		std::for_each(m_keydown.begin(), m_keydown.end(), [](std::pair<const uint32, bool>& el){ el.second = false; });
 	}
+
 	template <typename fn>
 	void iter_keystates(fn f)
 	{
 		const std::lock_guard<std::mutex> lock(keycode_mutex);
 		std::for_each(m_keydown.cbegin(), m_keydown.cend(), f);
 	}
+
 	WindowHandleInfo window_main;
 	WindowHandleInfo window_pad;
 

src/gui/input/InputSettings2.cpp

@@ -111,7 +111,7 @@ InputSettings2::InputSettings2(wxWindow* parent)
 	Bind(wxEVT_TIMER, &InputSettings2::on_timer, this);
 
 	m_timer = new wxTimer(this);
-	m_timer->Start(100);
+	m_timer->Start(25);
 
 	m_controller_changed = EventService::instance().connect<Events::ControllerChanged>(&InputSettings2::on_controller_changed, this);
 }

src/gui/input/panels/InputPanel.cpp

@@ -41,55 +41,48 @@ void InputPanel::on_timer(const EmulatedControllerPtr& emulated_controller, cons
 	}
 
 	static bool s_was_idle = true;
-	if (!std::any_of(state.buttons.begin(), state.buttons.end(), [](auto el){ return el.second; })) {
+	if (state.buttons.IsIdle()) 
+	{
 		s_was_idle = true;
 		return;
 	}
 
-	if (!s_was_idle) {
+	if (!s_was_idle) 
+	{
 		return;
 	}
-	auto get_button_state = [&](uint32 key_id)
-	{
-		auto result = state.buttons.find(key_id);
-		if (result == state.buttons.end())
-			return false;
-		return result->second;
-	};
 	s_was_idle = false;
-	for(auto && button : state.buttons)
+	for(const auto& id : state.buttons.GetButtonList())
 	{
-		if (button.second)
+		if (controller->has_axis())
 		{
-			auto id=button.first;
-			if (controller->has_axis()) {
 			// test if one axis direction is pressed more than the other
-				if ((id == kAxisXP || id == kAxisXN) && (get_button_state(kAxisYP) || get_button_state(kAxisYN)))
+			if ((id == kAxisXP || id == kAxisXN) && (state.buttons.GetButtonState(kAxisYP) || state.buttons.GetButtonState(kAxisYN)))
 			{
 				if (std::abs(state.axis.y) > std::abs(state.axis.x))
 					continue;
 			}
-				else if ((id == kAxisYP || id == kAxisYN) && (get_button_state(kAxisXP) || get_button_state(kAxisXN)))
+			else if ((id == kAxisYP || id == kAxisYN) && (state.buttons.GetButtonState(kAxisXP) || state.buttons.GetButtonState(kAxisXN)))
 			{
 				if (std::abs(state.axis.x) > std::abs(state.axis.y))
 					continue;
 			}
-				else if ((id == kRotationXP || id == kRotationXN) && (get_button_state(kRotationYP) || get_button_state(kRotationYN)))
+			else if ((id == kRotationXP || id == kRotationXN) && (state.buttons.GetButtonState(kRotationYP) || state.buttons.GetButtonState(kRotationYN)))
 			{
 				if (std::abs(state.rotation.y) > std::abs(state.rotation.x))
 					continue;
 			}
-				else if ((id == kRotationYP || id == kRotationYN) && (get_button_state(kRotationXP) || get_button_state(kRotationXN)))
+			else if ((id == kRotationYP || id == kRotationYN) && (state.buttons.GetButtonState(kRotationXP) || state.buttons.GetButtonState(kRotationXN)))
 			{
 				if (std::abs(state.rotation.x) > std::abs(state.rotation.y))
 					continue;
 			}
-				else if ((id == kTriggerXP || id == kTriggerXN) && (get_button_state(kTriggerYP) || get_button_state(kTriggerYN)))
+			else if ((id == kTriggerXP || id == kTriggerXN) && (state.buttons.GetButtonState(kTriggerYP) || state.buttons.GetButtonState(kTriggerYN)))
 			{
 				if (std::abs(state.trigger.y) > std::abs(state.trigger.x))
 					continue;
 			}
-				else if ((id == kTriggerYP || id == kTriggerYN) && (get_button_state(kTriggerXP) || get_button_state(kTriggerXN)))
+			else if ((id == kTriggerYP || id == kTriggerYN) && (state.buttons.GetButtonState(kTriggerXP) || state.buttons.GetButtonState(kTriggerXN)))
 			{
 				if (std::abs(state.trigger.x) > std::abs(state.trigger.y))
 					continue;
@@ -112,7 +105,6 @@ void InputPanel::on_timer(const EmulatedControllerPtr& emulated_controller, cons
 		m_color_backup[element->GetId()] = kKeyColourNormalMode;
 		break;
 	}
-	}
 
 	if (const auto sibling = get_next_sibling(element))
 		sibling->SetFocus();

src/input/api/Controller.cpp

@@ -15,10 +15,7 @@ const ControllerState& ControllerBase::update_state()
 	ControllerState result = raw_state();
 
 	// ignore default buttons
-	for (auto&& el : m_default_state.buttons)
-	{
-		result.buttons[el.first] = result.buttons[el.first] && !el.second;
-	}
+	result.buttons.UnsetButtons(m_default_state.buttons);
 	// apply deadzone and range and ignore default axis values
 	apply_axis_setting(result.axis, m_default_state.axis, m_settings.axis);
 	apply_axis_setting(result.rotation, m_default_state.rotation, m_settings.rotation);
@@ -26,22 +23,22 @@ const ControllerState& ControllerBase::update_state()
 
 #define APPLY_AXIS_BUTTON(_axis_, _flag_) \
 	if (result._axis_.x < -ControllerState::kAxisThreshold) \
-		result.buttons[(_flag_) + (kAxisXN - kAxisXP)]=true; \
+		result.buttons.SetButtonState((_flag_) + (kAxisXN - kAxisXP), true); \
 	else if (result._axis_.x > ControllerState::kAxisThreshold) \
-		result.buttons[(_flag_)]=true; \
+		result.buttons.SetButtonState((_flag_), true); \
 	if (result._axis_.y < -ControllerState::kAxisThreshold) \
-		result.buttons[(_flag_) + 1 + (kAxisXN - kAxisXP)]=true; \
+		result.buttons.SetButtonState((_flag_) + 1 + (kAxisXN - kAxisXP), true); \
 	else if (result._axis_.y > ControllerState::kAxisThreshold) \
-		result.buttons[(_flag_) + 1]=true;
+		result.buttons.SetButtonState((_flag_) + 1, true);
 
 	if (result.axis.x < -ControllerState::kAxisThreshold) 
-		result.buttons[(kAxisXP) + (kAxisXN - kAxisXP)]=true;
+		result.buttons.SetButtonState((kAxisXP) + (kAxisXN - kAxisXP), true);
 	else if (result.axis.x > ControllerState::kAxisThreshold) 
-		result.buttons[(kAxisXP)]=true;
+		result.buttons.SetButtonState((kAxisXP), true);
 	if (result.axis.y < -ControllerState::kAxisThreshold) 
-		result.buttons[(kAxisXP) + 1 + (kAxisXN - kAxisXP)]=true;
+		result.buttons.SetButtonState((kAxisXP) + 1 + (kAxisXN - kAxisXP), true);
 	else if (result.axis.y > ControllerState::kAxisThreshold) 
-		result.buttons[(kAxisXP) + 1]=true;
+		result.buttons.SetButtonState((kAxisXP) + 1, true);
 	APPLY_AXIS_BUTTON(rotation, kRotationXP);
 	APPLY_AXIS_BUTTON(trigger, kTriggerXP);
 
@@ -129,8 +126,7 @@ bool ControllerBase::operator==(const ControllerBase& c) const
 
 float ControllerBase::get_axis_value(uint64 button) const
 {
-	auto buttonState=m_last_state.buttons.find(button);
-	if (buttonState!=m_last_state.buttons.end() && buttonState->second)
+	if (m_last_state.buttons.GetButtonState(button))
 	{
 		if (button <= kButtonNoneAxisMAX || !has_axis())
 			return 1.0f;

src/input/api/ControllerState.h

@@ -1,6 +1,115 @@
 #pragma once
 
 #include <glm/vec2.hpp>
+#include "util/helpers/fspinlock.h"
+
+// helper class for storing and managing button press states in a thread-safe manner
+struct ControllerButtonState
+{
+	ControllerButtonState() = default;
+	ControllerButtonState(const ControllerButtonState& other)
+	{
+		this->m_pressedButtons = other.m_pressedButtons;
+	}
+
+	ControllerButtonState(ControllerButtonState&& other)
+	{
+		this->m_pressedButtons = std::move(other.m_pressedButtons);
+	}
+
+	void SetButtonState(uint32 buttonId, bool isPressed)
+	{
+		std::lock_guard _l(this->m_spinlock);
+		if (isPressed)
+		{
+			if (std::find(m_pressedButtons.cbegin(), m_pressedButtons.cend(), buttonId) != m_pressedButtons.end())
+				return;
+			m_pressedButtons.emplace_back(buttonId);
+		}
+		else
+		{
+			std::erase(m_pressedButtons, buttonId);
+		}
+	}
+
+	// set multiple buttons at once within a single lock interval
+	void SetPressedButtons(std::span<uint32> buttonList)
+	{
+		std::lock_guard _l(this->m_spinlock);
+		for (auto& buttonId : buttonList)
+		{
+			if (std::find(m_pressedButtons.cbegin(), m_pressedButtons.cend(), buttonId) == m_pressedButtons.end())
+				m_pressedButtons.emplace_back(buttonId);
+		}
+	}
+
+	// returns true if pressed
+	bool GetButtonState(uint32 buttonId) const
+	{
+		std::lock_guard _l(this->m_spinlock);
+		bool r = std::find(m_pressedButtons.cbegin(), m_pressedButtons.cend(), buttonId) != m_pressedButtons.cend();
+		return r;
+	}
+
+	// remove pressed state for all pressed buttons in buttonsToUnset
+	void UnsetButtons(const ControllerButtonState& buttonsToUnset)
+	{
+		std::scoped_lock _l(this->m_spinlock, buttonsToUnset.m_spinlock);
+		for (auto it = m_pressedButtons.begin(); it != m_pressedButtons.end();)
+		{
+			if (std::find(buttonsToUnset.m_pressedButtons.cbegin(), buttonsToUnset.m_pressedButtons.cend(), *it) == buttonsToUnset.m_pressedButtons.cend())
+			{
+				++it;
+				continue;
+			}
+			it = m_pressedButtons.erase(it);
+		}
+	}
+
+	// returns true if no buttons are pressed
+	bool IsIdle() const
+	{
+		std::lock_guard _l(this->m_spinlock);
+		const bool r = m_pressedButtons.empty();
+		return r;
+	}
+
+	std::vector<uint32> GetButtonList() const
+	{
+		std::lock_guard _l(this->m_spinlock);
+		std::vector<uint32> copy = m_pressedButtons;
+		return copy;
+	}
+
+	bool operator==(const ControllerButtonState& other) const
+	{
+		std::scoped_lock _l(this->m_spinlock, other.m_spinlock);
+		auto& otherButtons = other.m_pressedButtons;
+		if (m_pressedButtons.size() != otherButtons.size())
+		{
+			return false;
+		}
+		for (auto& buttonId : m_pressedButtons)
+		{
+			if (std::find(otherButtons.cbegin(), otherButtons.cend(), buttonId) == otherButtons.cend())
+			{
+				return false;
+			}
+		}
+		return true;
+	}
+
+	ControllerButtonState& operator=(ControllerButtonState&& other)
+	{
+		cemu_assert_debug(!other.m_spinlock.is_locked());
+		this->m_pressedButtons = std::move(other.m_pressedButtons);
+		return *this;
+	}
+
+private:
+	std::vector<uint32> m_pressedButtons; // since only very few buttons are pressed at a time, using a vector with linear scan is more efficient than a set/map
+	mutable FSpinlock m_spinlock;
+};
 
 struct ControllerState
 {
@@ -17,7 +126,7 @@ struct ControllerState
 	glm::vec2 rotation{ };
 	glm::vec2 trigger{ };
 
-	std::unordered_map<uint32, bool> buttons{};
+	ControllerButtonState buttons{};
 
 	uint64 last_state = 0;
 

src/input/api/DSU/DSUController.cpp

@@ -137,7 +137,7 @@ ControllerState DSUController::raw_state()
 	{
 		if (HAS_BIT(state.data.state1, i))
 		{
-			result.buttons[bitindex]=true;
+			result.buttons.SetButtonState(bitindex, true);
 		}
 	}
 
@@ -145,12 +145,12 @@ ControllerState DSUController::raw_state()
 	{
 		if (HAS_BIT(state.data.state2, i))
 		{
-			result.buttons[bitindex]=true;
+			result.buttons.SetButtonState(bitindex, true);
 		}
 	}
 
 	if (state.data.touch)
-		result.buttons[kButton16]=true;
+		result.buttons.SetButtonState(kButton16, true);
 
 	result.axis.x = (float)state.data.lx / std::numeric_limits<uint8>::max();
 	result.axis.x = (result.axis.x * 2.0f) - 1.0f;

src/input/api/DirectInput/DirectInputController.cpp

@@ -245,7 +245,6 @@ ControllerState DirectInputController::raw_state()
 	ControllerState result{};
 	if (!is_connected())
 		return result;
-
 	HRESULT hr = m_device->Poll();
 	if (FAILED(hr))
 	{
@@ -277,9 +276,7 @@ ControllerState DirectInputController::raw_state()
 	for (size_t i = 0; i < std::size(state.rgbButtons); ++i)
 	{
 		if (HAS_BIT(state.rgbButtons[i], 7))
-		{
-			result.buttons[i]=true;
-		}
+			result.buttons.SetButtonState(i, true);
 	}
 	
 	// axis
@@ -316,19 +313,19 @@ ControllerState DirectInputController::raw_state()
 	{
 		switch (pov)
 		{
-		case 0: result.buttons[kButtonUp]=true;
+		case 0: result.buttons.SetButtonState(kButtonUp, true);
 			break;
-		case 4500: result.buttons[kButtonUp]=true; // up + right
-		case 9000: result.buttons[kButtonRight]=true;
+		case 4500: result.buttons.SetButtonState(kButtonUp, true); // up + right
+		case 9000: result.buttons.SetButtonState(kButtonRight, true);
 			break;
-		case 13500: result.buttons[kButtonRight] = true; // right + down
-		case 18000: result.buttons[kButtonDown] = true;
+		case 13500: result.buttons.SetButtonState(kButtonRight, true); // right + down
+		case 18000: result.buttons.SetButtonState(kButtonDown, true);
 			break;
-		case 22500: result.buttons[kButtonDown] = true; // down + left
-		case 27000: result.buttons[kButtonLeft] = true;
+		case 22500: result.buttons.SetButtonState(kButtonDown, true); // down + left
+		case 27000: result.buttons.SetButtonState(kButtonLeft, true);
 			break;
-		case 31500: result.buttons[kButtonLeft] = true; // left + up
-		result.buttons[kButtonUp] = true; // left + up
+		case 31500: result.buttons.SetButtonState(kButtonLeft, true); // left + up
+					result.buttons.SetButtonState(kButtonUp, true); // left + up
 			break;
 		}
 	}

src/input/api/Keyboard/KeyboardController.cpp

@@ -1,5 +1,6 @@
-#include "input/api/Keyboard/KeyboardController.h"
+#include <boost/container/small_vector.hpp>
 
+#include "input/api/Keyboard/KeyboardController.h"
 #include "gui/guiWrapper.h"
 
 KeyboardController::KeyboardController()
@@ -51,7 +52,9 @@ ControllerState KeyboardController::raw_state()
 	ControllerState result{};
 	if (g_window_info.app_active)
 	{
-		g_window_info.get_keystates(result.buttons);
+		boost::container::small_vector<uint32, 16> pressedKeys;
+		g_window_info.iter_keystates([&pressedKeys](const std::pair<const uint32, bool>& keyState) { if (keyState.second) pressedKeys.emplace_back(keyState.first); });
+		result.buttons.SetPressedButtons(pressedKeys);
 	}
 	return result;
 }

src/input/api/SDL/SDLController.cpp

@@ -146,9 +146,7 @@ ControllerState SDLController::raw_state()
 	for (int i = 0; i < SDL_CONTROLLER_BUTTON_MAX; ++i)
 	{
 		if (m_buttons[i] && SDL_GameControllerGetButton(m_controller, (SDL_GameControllerButton)i))
-		{
-			result.buttons[i]=true;
-		}
+			result.buttons.SetButtonState(i, true);
 	}
 
 	if (m_axis[SDL_CONTROLLER_AXIS_LEFTX])

src/input/api/Wiimote/NativeWiimoteController.cpp

@@ -207,16 +207,16 @@ ControllerState NativeWiimoteController::raw_state()
 
 	const auto state = m_provider->get_state(m_index);
 	for (int i = 0; i < std::numeric_limits<uint16>::digits; i++)
-		result.buttons[i] = state.buttons & (1<<i);
+		result.buttons.SetButtonState(i, (state.buttons & (1 << i)) != 0);
 
 	if (std::holds_alternative<NunchuckData>(state.m_extension))
 	{
 		const auto nunchuck = std::get<NunchuckData>(state.m_extension);
 		if (nunchuck.c)
-			result.buttons[kWiimoteButton_C]=true;
+			result.buttons.SetButtonState(kWiimoteButton_C, true);
 
 		if (nunchuck.z)
-			result.buttons[kWiimoteButton_Z]=true;
+			result.buttons.SetButtonState(kWiimoteButton_Z, true);
 
 		result.axis = nunchuck.axis;
 	}
@@ -225,8 +225,11 @@ ControllerState NativeWiimoteController::raw_state()
 		const auto classic = std::get<ClassicData>(state.m_extension);
 		uint64 buttons = (uint64)classic.buttons << kHighestWiimote;
 		for (int i = 0; i < std::numeric_limits<uint64>::digits; i++)
-			result.buttons[i] = result.buttons[i] || (buttons & (1 << i));
-
+		{
+			// OR with base buttons
+			if((buttons & (1 << i)))
+				result.buttons.SetButtonState(i, true);
+		}
 		result.axis = classic.left_axis;
 		result.rotation = classic.right_axis;
 		result.trigger = classic.trigger;

src/input/api/XInput/XInputController.cpp

@@ -121,7 +121,7 @@ ControllerState XInputController::raw_state()
 
 	// Buttons
 	for(int i=0;i<std::numeric_limits<WORD>::digits;i++)
-		result.buttons[i] = state.Gamepad.wButtons & (1<<i);
+		result.buttons.SetButtonState(i, (state.Gamepad.wButtons & (1 << i)) != 0);
 
 	if (state.Gamepad.sThumbLX > 0)
 		result.axis.x = (float)state.Gamepad.sThumbLX / std::numeric_limits<sint16>::max();

src/input/emulated/EmulatedController.cpp

@@ -279,13 +279,9 @@ bool EmulatedController::is_mapping_down(uint64 mapping) const
 	const auto it = m_mappings.find(mapping);
 	if (it != m_mappings.cend())
 	{
-		if (const auto controller = it->second.controller.lock()) {
-			auto& buttons=controller->get_state().buttons;
-			auto buttonState=buttons.find(it->second.button);
-			return buttonState!=buttons.end() && buttonState->second;
+		if (const auto controller = it->second.controller.lock())
+			return controller->get_state().buttons.GetButtonState(it->second.button);
 	}
-	}
-
 	return false;
 }
 

src/util/helpers/fspinlock.h

@@ -7,9 +7,15 @@
 class FSpinlock
 {
 public:
-	void acquire()
+	bool is_locked() const
 	{
-		while( true )
+		return m_lockBool.load(std::memory_order_relaxed);
+	}
+
+	// implement BasicLockable and Lockable
+	void lock() const
+	{
+		while (true)
 		{
 			if (!m_lockBool.exchange(true, std::memory_order_acquire))
 				break;
@@ -17,22 +23,17 @@ public:
 		}
 	}
 
-	bool tryAcquire()
+	bool try_lock() const
 	{
 		return !m_lockBool.exchange(true, std::memory_order_acquire);
 	}
 
-	void release()
+	void unlock() const
 	{
 		m_lockBool.store(false, std::memory_order_release);
 	}
 
-	bool isHolding() const
-	{
-		return m_lockBool.load(std::memory_order_relaxed);
-	}
-
 private:
 	
-	std::atomic<bool> m_lockBool = false;
+	mutable std::atomic<bool> m_lockBool = false;
 };