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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
// ===========================================================================
// File: TieredCompilation.h
//
// ===========================================================================
#ifndef TIERED_COMPILATION_H
#define TIERED_COMPILATION_H
#ifdef FEATURE_TIERED_COMPILATION
// TieredCompilationManager determines which methods should be recompiled and
// how they should be recompiled to best optimize the running code. It then
// handles logistics of getting new code created and installed.
class TieredCompilationManager
{
public:
#if defined(DACCESS_COMPILE) || defined(CROSSGEN_COMPILE)
TieredCompilationManager() {}
#else
TieredCompilationManager();
#endif
void Init(ADID appDomainId);
BOOL OnMethodCalled(MethodDesc* pMethodDesc, DWORD currentCallCount);
void AsyncPromoteMethodToTier1(MethodDesc* pMethodDesc);
static void ShutdownAllDomains();
void Shutdown(BOOL fBlockUntilAsyncWorkIsComplete);
static CORJIT_FLAGS GetJitFlags(NativeCodeVersion nativeCodeVersion);
private:
static DWORD StaticOptimizeMethodsCallback(void* args);
void OptimizeMethodsCallback();
void OptimizeMethod(NativeCodeVersion nativeCodeVersion);
NativeCodeVersion GetNextMethodToOptimize();
BOOL CompileCodeVersion(NativeCodeVersion nativeCodeVersion);
void ActivateCodeVersion(NativeCodeVersion nativeCodeVersion);
void IncrementWorkerThreadCount();
void DecrementWorkerThreadCount();
SpinLock m_lock;
SList<SListElem<NativeCodeVersion>> m_methodsToOptimize;
ADID m_domainId;
BOOL m_isAppDomainShuttingDown;
DWORD m_countOptimizationThreadsRunning;
DWORD m_callCountOptimizationThreshhold;
DWORD m_optimizationQuantumMs;
CLREvent m_asyncWorkDoneEvent;
};
#endif // FEATURE_TIERED_COMPILATION
#endif // TIERED_COMPILATION_H
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