Rémi Bernon : dmscript: Always return S_FALSE from DllCanUnloadNow.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b02b32f9b7eef9c5ed88ef60886f3b64954b5a47
URL:    https://gitlab.winehq.org/wine/wine/-/commit/b02b32f9b7eef9c5ed88ef60886f3b6...

Author: Rémi Bernon <rbernon(a)codeweavers.com>
Date:   Tue Aug 22 17:42:13 2023 +0200

dmscript: Always return S_FALSE from DllCanUnloadNow.

---

 dlls/dmscript/dmscript_main.c    | 22 ----------------------
 dlls/dmscript/dmscript_private.h |  7 -------
 dlls/dmscript/script.c           |  2 --
 dlls/dmscript/scripttrack.c      |  2 --
 4 files changed, 33 deletions(-)

diff --git a/dlls/dmscript/dmscript_main.c b/dlls/dmscript/dmscript_main.c
index f6785176aec..db5f163b829 100644
--- a/dlls/dmscript/dmscript_main.c
+++ b/dlls/dmscript/dmscript_main.c
@@ -38,8 +38,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(dmscript);
 
-LONG DMSCRIPT_refCount = 0;
-
 typedef struct {
         IClassFactory IClassFactory_iface;
         HRESULT (*fnCreateInstance)(REFIID riid, void **ppv, IUnknown *pUnkOuter);
@@ -82,15 +80,11 @@ static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID r
 
 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 {
-        DMSCRIPT_LockModule();
-
         return 2; /* non-heap based object */
 }
 
 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 {
-        DMSCRIPT_UnlockModule();
-
         return 1; /* non-heap based object */
 }
 
@@ -107,12 +101,6 @@ static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown
 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
 {
         TRACE("(%d)\n", dolock);
-
-        if (dolock)
-                DMSCRIPT_LockModule();
-        else
-                DMSCRIPT_UnlockModule();
-
         return S_OK;
 }
 
@@ -140,16 +128,6 @@ static IClassFactoryImpl ScriptAutoImplAudioPath_CF = {{&classfactory_vtbl},
                                                        create_unimpl_instance};
 static IClassFactoryImpl ScriptAutoImplSong_CF = {{&classfactory_vtbl}, create_unimpl_instance};
 
-/******************************************************************
- *		DllCanUnloadNow (DMSCRIPT.@)
- *
- *
- */
-HRESULT WINAPI DllCanUnloadNow(void)
-{
-	return DMSCRIPT_refCount != 0 ? S_FALSE : S_OK;
-}
-
 
 /******************************************************************
  *		DllGetClassObject (DMSCRIPT.@)
diff --git a/dlls/dmscript/dmscript_private.h b/dlls/dmscript/dmscript_private.h
index 90808d59f00..f715c083523 100644
--- a/dlls/dmscript/dmscript_private.h
+++ b/dlls/dmscript/dmscript_private.h
@@ -48,13 +48,6 @@ extern HRESULT DMUSIC_CreateDirectMusicScriptImpl(REFIID riid, void **ppobj, IUn
 
 extern HRESULT DMUSIC_CreateDirectMusicScriptTrack(REFIID riid, void **ppobj, IUnknown *pUnkOuter);
 
-/**********************************************************************
- * Dll lifetime tracking declaration for dmscript.dll
- */
-extern LONG DMSCRIPT_refCount;
-static inline void DMSCRIPT_LockModule(void) { InterlockedIncrement( &DMSCRIPT_refCount ); }
-static inline void DMSCRIPT_UnlockModule(void) { InterlockedDecrement( &DMSCRIPT_refCount ); }
-
 /*****************************************************************************
  * Misc.
  */
diff --git a/dlls/dmscript/script.c b/dlls/dmscript/script.c
index 375eebf69aa..dbfcdca7d83 100644
--- a/dlls/dmscript/script.c
+++ b/dlls/dmscript/script.c
@@ -94,7 +94,6 @@ static ULONG WINAPI IDirectMusicScriptImpl_Release(IDirectMusicScript *iface)
         HeapFree(GetProcessHeap(), 0, This->pwzLanguage);
         HeapFree(GetProcessHeap(), 0, This->pwzSource);
         HeapFree(GetProcessHeap(), 0, This);
-        DMSCRIPT_UnlockModule();
     }
 
     return ref;
@@ -508,7 +507,6 @@ HRESULT DMUSIC_CreateDirectMusicScriptImpl(REFIID lpcGUID, void **ppobj, IUnknow
   obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
   obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
 
-  DMSCRIPT_LockModule();
   hr = IDirectMusicScript_QueryInterface(&obj->IDirectMusicScript_iface, lpcGUID, ppobj);
   IDirectMusicScript_Release(&obj->IDirectMusicScript_iface);
 
diff --git a/dlls/dmscript/scripttrack.c b/dlls/dmscript/scripttrack.c
index fbe454c09e5..92dd6d15ec6 100644
--- a/dlls/dmscript/scripttrack.c
+++ b/dlls/dmscript/scripttrack.c
@@ -86,7 +86,6 @@ static ULONG WINAPI script_track_Release(IDirectMusicTrack8 *iface)
 
     if (!ref) {
         HeapFree(GetProcessHeap(), 0, This);
-        DMSCRIPT_UnlockModule();
     }
 
     return ref;
@@ -338,7 +337,6 @@ HRESULT DMUSIC_CreateDirectMusicScriptTrack(REFIID riid, void **ret_iface, IUnkn
     track->desc.guidClass = CLSID_DirectMusicScriptTrack;
     track->ref = 1;
 
-    DMSCRIPT_LockModule();
     hr = IDirectMusicTrack8_QueryInterface(&track->IDirectMusicTrack8_iface, riid, ret_iface);
     IDirectMusicTrack8_Release(&track->IDirectMusicTrack8_iface);