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[SHELL32]

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- Fix assertion failure in 2nd stage by setting s_IsTerminated when an instance does not yet exist.
- Rename CComCreatorSingleton to CComCreatorCentralInstance since it's not /technically/ a singleton

svn path=/trunk/; revision=68215
This commit is contained in:
Thomas Faber 2015-06-20 21:46:16 +00:00
parent f7bbd54974
commit 8d850ac341
4 changed files with 16 additions and 9 deletions
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2
reactos/dll/win32/shell32/folders/CDesktopFolder.h
View file

@ -79,7 +79,7 @@ class CDesktopFolder :
virtual HRESULT WINAPI CopyItems(IShellFolder *pSFFrom, UINT cidl, LPCITEMIDLIST *apidl, BOOL bCopy);
DECLARE_REGISTRY_RESOURCEID(IDR_SHELLDESKTOP)
DECLARE_SINGLETON_NOT_AGGREGATABLE(CDesktopFolder)
DECLARE_CENTRAL_INSTANCE_NOT_AGGREGATABLE(CDesktopFolder)
DECLARE_PROTECT_FINAL_CONSTRUCT()

2
reactos/dll/win32/shell32/folders/CDrivesFolder.h
View file

@ -69,7 +69,7 @@ class CDrivesFolder :
virtual HRESULT WINAPI GetCurFolder(LPITEMIDLIST * pidl);
DECLARE_REGISTRY_RESOURCEID(IDR_MYCOMPUTER)
DECLARE_SINGLETON_NOT_AGGREGATABLE(CDrivesFolder)
DECLARE_CENTRAL_INSTANCE_NOT_AGGREGATABLE(CDrivesFolder)
DECLARE_PROTECT_FINAL_CONSTRUCT()

4
reactos/dll/win32/shell32/shell32.cpp
View file

@ -151,8 +151,8 @@ class CShell32Module : public CComModule
public:
void Term()
{
CComCreatorSingleton< ATL::CComObject< CDrivesFolder > >::Term();
CComCreatorSingleton< ATL::CComObject< CDesktopFolder > >::Term();
CComCreatorCentralInstance< ATL::CComObject< CDrivesFolder > >::Term();
CComCreatorCentralInstance< ATL::CComObject< CDesktopFolder > >::Term();
CComModule::Term();
}
};

17
reactos/include/reactos/shellutils.h
View file

@ -43,7 +43,7 @@ extern "C" {
#ifdef __cplusplus
template <typename T>
class CComCreatorSingleton
class CComCreatorCentralInstance
{
private:
static IUnknown *s_pInstance;
@ -59,11 +59,18 @@ public:
{
PVOID pObj;
HRESULT hr;
s_IsTerminated = true;
hr = ATL::CComCreator< T >::CreateInstance(NULL, IID_IUnknown, &pObj);
if (FAILED(hr))
{
s_IsTerminated = false;
return hr;
}
if (InterlockedCompareExchangePointer((PVOID *)&s_pInstance, pObj, NULL))
{
static_cast<IUnknown *>(pObj)->Release();
s_IsTerminated = false;
}
}
return s_pInstance->QueryInterface(riid, ppv);
}
@ -87,14 +94,14 @@ public:
};
template <typename T>
IUnknown *CComCreatorSingleton<T>::s_pInstance = NULL;
IUnknown *CComCreatorCentralInstance<T>::s_pInstance = NULL;
template <typename T>
bool CComCreatorSingleton<T>::s_IsTerminated = false;
bool CComCreatorCentralInstance<T>::s_IsTerminated = false;
#define DECLARE_SINGLETON_NOT_AGGREGATABLE(x) \
#define DECLARE_CENTRAL_INSTANCE_NOT_AGGREGATABLE(x) \
public: \
typedef CComCreatorSingleton< ATL::CComObject<x> > _CreatorClass;
typedef CComCreatorCentralInstance< ATL::CComObject<x> > _CreatorClass;
#endif
#ifdef __cplusplus