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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.
//
//
//
/*============================================================
**
** Header: Threads.inl
**
** Purpose: Implements Thread inline functions
**
**
===========================================================*/
#ifndef _THREADS_INL
#define _THREADS_INL
#include "threads.h"
#include "appdomain.hpp"
#include "frames.h"
#ifndef DACCESS_COMPILE
#ifdef HOST_WINDOWS
EXTERN_C UINT32 _tls_index;
#endif
#ifdef _MSC_VER
__declspec(selectany) __declspec(thread) ThreadLocalInfo gCurrentThreadInfo;
#else
EXTERN_C __thread ThreadLocalInfo gCurrentThreadInfo;
#endif
inline Thread* GetThreadNULLOk()
{
return gCurrentThreadInfo.m_pThread;
}
inline Thread* GetThread()
{
Thread* pThread = gCurrentThreadInfo.m_pThread;
_ASSERTE(pThread);
return pThread;
}
EXTERN_C inline AppDomain* STDCALL GetAppDomain()
{
return AppDomain::GetCurrentDomain();
}
#endif // !DACCESS_COMPILE
inline
Frame* Thread::FindFrame(SIZE_T StackPointer)
{
Frame* pFrame = GetFrame();
while ((SIZE_T)pFrame < StackPointer)
{
pFrame = pFrame->Next();
}
return pFrame;
}
inline void Thread::SetThrowable(OBJECTREF pThrowable DEBUG_ARG(ThreadExceptionState::SetThrowableErrorChecking stecFlags))
{
WRAPPER_NO_CONTRACT;
m_ExceptionState.SetThrowable(pThrowable DEBUG_ARG(stecFlags));
}
// get the current notification (if any) from this thread
inline OBJECTHANDLE Thread::GetThreadCurrNotification()
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
SUPPORTS_DAC;
}
CONTRACTL_END;
return m_hCurrNotification;
}
// set the current notification (if any) from this thread
inline void Thread::SetThreadCurrNotification(OBJECTHANDLE handle)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
}
CONTRACTL_END;
m_hCurrNotification = handle;
}
// clear the current notification (if any) from this thread
inline void Thread::ClearThreadCurrNotification()
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
}
CONTRACTL_END;
m_hCurrNotification = NULL;
}
inline OBJECTREF Thread::GetExposedObjectRaw()
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
SUPPORTS_DAC;
}
CONTRACTL_END;
return ObjectFromHandle(m_ExposedObject);
}
#ifdef FEATURE_COMINTEROP
inline void Thread::RevokeApartmentSpy()
{
LIMITED_METHOD_CONTRACT;
if (m_fInitializeSpyRegistered)
{
VERIFY(SUCCEEDED(CoRevokeInitializeSpy(m_uliInitializeSpyCookie)));
m_fInitializeSpyRegistered = false;
}
}
inline LPVOID Thread::GetLastSTACtxCookie(BOOL *pfNAContext)
{
LIMITED_METHOD_CONTRACT;
*pfNAContext = ((UINT_PTR)m_pLastSTACtxCookie & 1);
return (LPVOID)((UINT_PTR)m_pLastSTACtxCookie & ~1);
}
inline void Thread::SetLastSTACtxCookie(LPVOID pCtxCookie, BOOL fNAContext)
{
LIMITED_METHOD_CONTRACT;
if (fNAContext)
{
// The ctx cookie is an interface pointer so we can steal the lowest bit
// to mark whether the context is known to be Neutral Apartment or not.
m_pLastSTACtxCookie = (LPVOID)((UINT_PTR)pCtxCookie | 1);
}
else
{
m_pLastSTACtxCookie = pCtxCookie;
}
}
#endif // FEATURE_COMINTEROP
inline bool Thread::IsGCSpecial()
{
LIMITED_METHOD_CONTRACT;
return m_fGCSpecial;
}
inline void Thread::SetGCSpecial(bool fGCSpecial)
{
LIMITED_METHOD_CONTRACT;
m_fGCSpecial = fGCSpecial;
}
#if !defined(DACCESS_COMPILE) && !defined(CROSSGEN_COMPILE)
inline Thread::CurrentPrepareCodeConfigHolder::CurrentPrepareCodeConfigHolder(Thread *thread, PrepareCodeConfig *config)
: m_thread(thread)
#ifdef _DEBUG
, m_config(config)
#endif
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(thread == GetThread());
_ASSERTE(config != nullptr);
PrepareCodeConfig *previousConfig = thread->m_currentPrepareCodeConfig;
if (previousConfig != nullptr)
{
config->SetNextInSameThread(previousConfig);
}
thread->m_currentPrepareCodeConfig = config;
}
inline Thread::CurrentPrepareCodeConfigHolder::~CurrentPrepareCodeConfigHolder()
{
LIMITED_METHOD_CONTRACT;
PrepareCodeConfig *config = m_thread->m_currentPrepareCodeConfig;
_ASSERTE(config == m_config);
m_thread->m_currentPrepareCodeConfig = config->GetNextInSameThread();
config->SetNextInSameThread(nullptr);
}
inline void Thread::EnterForbidSuspendForDebuggerRegion()
{
WRAPPER_NO_CONTRACT;
_ASSERTE(this == GetThread());
_ASSERTE(!m_isInForbidSuspendForDebuggerRegion);
m_isInForbidSuspendForDebuggerRegion = true;
}
inline void Thread::ExitForbidSuspendForDebuggerRegion()
{
WRAPPER_NO_CONTRACT;
_ASSERTE(this == GetThread());
_ASSERTE(m_isInForbidSuspendForDebuggerRegion);
m_isInForbidSuspendForDebuggerRegion = false;
}
#ifdef HOST_WINDOWS
inline size_t Thread::GetOffsetOfThreadStatic(void* pThreadStatic)
{
LIMITED_METHOD_CONTRACT;
PTEB Teb = NtCurrentTeb();
BYTE** tlsArray = (BYTE**)Teb->ThreadLocalStoragePointer;
BYTE* tlsData = (BYTE*)tlsArray[_tls_index];
return (BYTE*)pThreadStatic - tlsData;
}
#endif
#endif // !DACCESS_COMPILE && !CROSSGEN_COMPILE
#endif
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