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ole32: Fix CoUninitialize to only free libraries that return S_OK from DllCanUnloadNow.

This commit is contained in:
Rob Shearman 2007-05-13 22:17:23 +01:00 committed by Alexandre Julliard
parent 8cdfff10f4
commit 70e8842924
1 changed files with 14 additions and 5 deletions
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19
dlls/ole32/compobj.c
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@ -187,10 +187,11 @@ static const WCHAR wszAptWinClass[] = {'O','l','e','M','a','i','n','T','h','r','
static LRESULT CALLBACK apartment_wndproc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
static HRESULT apartment_getclassobject(struct apartment *apt, LPCWSTR dllpath,
REFCLSID rclsid, REFIID riid, void **ppv);
static void apartment_freeunusedlibraries(struct apartment *apt);
static HRESULT COMPOBJ_DllList_Add(LPCWSTR library_name, OpenDll **ret);
static OpenDll *COMPOBJ_DllList_Get(LPCWSTR library_name);
static void COMPOBJ_DllList_ReleaseRef(OpenDll *entry);
static void COMPOBJ_DllList_ReleaseRef(OpenDll *entry, BOOL free_entry);
static DWORD COM_RegReadPath(HKEY hkeyroot, const WCHAR *keyname, const WCHAR *valuename, WCHAR * dst, DWORD dstlen);
@ -399,10 +400,16 @@ DWORD apartment_release(struct apartment *apt)
if (apt->filter) IUnknown_Release(apt->filter);
/* free as many unused libraries as possible... */
apartment_freeunusedlibraries(apt);
/* ... and free the memory for the apartment loaded dll entry and
* release the dll list reference without freeing the library for the
* rest */
while ((cursor = list_head(&apt->loaded_dlls)))
{
struct apartment_loaded_dll *apartment_loaded_dll = LIST_ENTRY(cursor, struct apartment_loaded_dll, entry);
COMPOBJ_DllList_ReleaseRef(apartment_loaded_dll->dll);
COMPOBJ_DllList_ReleaseRef(apartment_loaded_dll->dll, FALSE);
list_remove(cursor);
HeapFree(GetProcessHeap(), 0, apartment_loaded_dll);
}
@ -643,7 +650,7 @@ static void apartment_freeunusedlibraries(struct apartment *apt)
if (entry->dll->DllCanUnloadNow && (entry->dll->DllCanUnloadNow() == S_OK))
{
list_remove(&entry->entry);
COMPOBJ_DllList_ReleaseRef(entry->dll);
COMPOBJ_DllList_ReleaseRef(entry->dll, TRUE);
HeapFree(GetProcessHeap(), 0, entry);
}
}
@ -745,9 +752,11 @@ static OpenDll *COMPOBJ_DllList_Get(LPCWSTR library_name)
return ret;
}
static void COMPOBJ_DllList_ReleaseRef(OpenDll *entry)
/* pass FALSE for free_entry to release a reference without destroying the
* entry if it reaches zero or TRUE otherwise */
static void COMPOBJ_DllList_ReleaseRef(OpenDll *entry, BOOL free_entry)
{
if (!InterlockedDecrement(&entry->refs))
if (!InterlockedDecrement(&entry->refs) && free_entry)
{
EnterCriticalSection(&csOpenDllList);
list_remove(&entry->entry);