- Split up apartment creation so that the long code paths that don't

dlls/ole32/compobj.c

@@ -31,23 +31,19 @@
  *   - Rewrite the CoLockObjectExternal code, it does totally the wrong
  *     thing currently (should be controlling the stub manager)
  *
- *   - Free the ReservedForOle data in DllMain(THREAD_DETACH)
- *
  *   - Implement the service control manager (in rpcss) to keep track
  *     of registered class objects: ISCM::ServerRegisterClsid et al
  *   - Implement the OXID resolver so we don't need magic pipe names for
  *     clients and servers to meet up
  *   - Flip our marshalling on top of the RPC runtime transport API,
  *     so we no longer use named pipes to communicate
- *   - Rework threading so re-entrant calls don't need to be sent on
- *     the incoming pipe
  *   - Implement RPC thread affinity (should fix InstallShield painting
  *     problems)
  *
- *   - Make our custom marshalling use NDR to be wire compatible with
+ *   - Make all ole interface marshaling use NDR to be wire compatible with
  *     native DCOM
- *     
- *        
+ *   - Use & interpret ORPCTHIS & ORPCTHAT.
+ *
  */
 
 #include "config.h"
@@ -219,72 +215,91 @@ void COM_TlsDestroy()
  * Manage apartments.
  */
 
-/* creates an apartment structure which stores OLE apartment-local
- * information */
-APARTMENT* COM_CreateApartment(DWORD model)
+/* allocates memory and fills in the necessary fields for a new apartment
+ * object */
+static APARTMENT *apartment_construct(DWORD model)
 {
-    APARTMENT *apt = COM_CurrentApt();
+    APARTMENT *apt;
 
-    if (!apt)
-    {
-        /* The multi-threaded apartment (MTA) contains zero or more threads interacting
-         * with free threaded (ie thread safe) COM objects. There is only ever one MTA
-         * in a process
-         */
-        EnterCriticalSection(&csApartment);
-        if (!(model & COINIT_APARTMENTTHREADED) && MTA) /* See note 1 above */
-        {
-            TRACE("entering the multithreaded apartment %s\n", wine_dbgstr_longlong(MTA->oxid));
-            apt = MTA;
-            COM_ApartmentAddRef(apt);
+    TRACE("creating new apartment, model=%ld\n", model);
 
-            LeaveCriticalSection(&csApartment);
+    apt = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*apt));
+    apt->tid = GetCurrentThreadId();
+    DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
+                    GetCurrentProcess(), &apt->thread,
+                    THREAD_ALL_ACCESS, FALSE, 0);
 
-            COM_CurrentInfo()->apt = apt;
-            return apt;
-        }
+    list_init(&apt->proxies);
+    list_init(&apt->stubmgrs);
+    apt->ipidc = 0;
+    apt->refs = 1;
+    apt->remunk_exported = FALSE;
+    apt->oidc = 1;
+    InitializeCriticalSection(&apt->cs);
+
+    apt->model = model;
+
+    if (model & COINIT_APARTMENTTHREADED)
+    {
+        /* FIXME: should be randomly generated by in an RPC call to rpcss */
+        apt->oxid = ((OXID)GetCurrentProcessId() << 32) | GetCurrentThreadId();
+        apt->win = CreateWindowA(aptWinClass, NULL, 0,
+                                 0, 0, 0, 0,
+                                 0, 0, OLE32_hInstance, NULL);
+    }
+    else
+    {
+        /* FIXME: should be randomly generated by in an RPC call to rpcss */
+        apt->oxid = ((OXID)GetCurrentProcessId() << 32) | 0xcafe;
+    }
 
-        TRACE("creating new apartment, model=%ld\n", model);
+    apt->shutdown_event = CreateEventW(NULL, TRUE, FALSE, NULL);
+    
+    TRACE("Created apartment on OXID %s\n", wine_dbgstr_longlong(apt->oxid));
 
-        apt = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(APARTMENT));
-        apt->tid = GetCurrentThreadId();
-        DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
-                        GetCurrentProcess(), &apt->thread,
-                        THREAD_ALL_ACCESS, FALSE, 0);
+    /* the locking here is not currently needed for the MTA case, but it
+     * doesn't hurt and makes the code simpler */
+    EnterCriticalSection(&csApartment);
+    list_add_head(&apts, &apt->entry);
+    LeaveCriticalSection(&csApartment);
 
-        list_init(&apt->proxies);
-        list_init(&apt->stubmgrs);
-        apt->ipidc = 0;
-        apt->refs = 1;
-        apt->remunk_exported = FALSE;
-        apt->oidc = 1;
-        InitializeCriticalSection(&apt->cs);
+    return apt;
+}
 
-        apt->model = model;
+/* gets and existing apartment if one exists or otherwise creates an apartment
+ * structure which stores OLE apartment-local information and stores a pointer
+ * to it in the thread-local storage */
+static APARTMENT *get_or_create_apartment(DWORD model)
+{
+    APARTMENT *apt = COM_CurrentApt();
 
+    if (!apt)
+    {
         if (model & COINIT_APARTMENTTHREADED)
         {
-            /* FIXME: should be randomly generated by in an RPC call to rpcss */
-            apt->oxid = ((OXID)GetCurrentProcessId() << 32) | GetCurrentThreadId();
-            apt->win = CreateWindowA(aptWinClass, NULL, 0,
-                                     0, 0, 0, 0,
-                                     0, 0, OLE32_hInstance, NULL);
+            apt = apartment_construct(model);
+            COM_CurrentInfo()->apt = apt;
         }
         else
         {
-            /* FIXME: should be randomly generated by in an RPC call to rpcss */
-            apt->oxid = ((OXID)GetCurrentProcessId() << 32) | 0xcafe;
-            MTA = apt;
-        }
-
-        apt->shutdown_event = CreateEventA(NULL, TRUE, FALSE, NULL);
-        
-        TRACE("Created apartment on OXID %s\n", wine_dbgstr_longlong(apt->oxid));
+            EnterCriticalSection(&csApartment);
+
+            /* The multi-threaded apartment (MTA) contains zero or more threads interacting
+             * with free threaded (ie thread safe) COM objects. There is only ever one MTA
+             * in a process */
+            if (MTA)
+            {
+                TRACE("entering the multithreaded apartment %s\n", wine_dbgstr_longlong(MTA->oxid));
+                COM_ApartmentAddRef(MTA);
+            }
+            else
+                MTA = apartment_construct(model);
 
-        list_add_head(&apts, &apt->entry);
-        LeaveCriticalSection(&csApartment);
+            apt = MTA;
+            COM_CurrentInfo()->apt = apt;
 
-        COM_CurrentInfo()->apt = apt;
+            LeaveCriticalSection(&csApartment);
+        }
     }
 
     return apt;
@@ -292,7 +307,9 @@ APARTMENT* COM_CreateApartment(DWORD model)
 
 DWORD COM_ApartmentAddRef(struct apartment *apt)
 {
-    return InterlockedIncrement(&apt->refs);
+    DWORD refs = InterlockedIncrement(&apt->refs);
+    TRACE("%s: before = %ld\n", wine_dbgstr_longlong(apt->oxid), refs - 1);
+    return refs;
 }
 
 DWORD COM_ApartmentRelease(struct apartment *apt)
@@ -302,6 +319,7 @@ DWORD COM_ApartmentRelease(struct apartment *apt)
     EnterCriticalSection(&csApartment);
 
     ret = InterlockedDecrement(&apt->refs);
+    TRACE("%s: after = %ld\n", wine_dbgstr_longlong(apt->oxid), ret);
     /* destruction stuff that needs to happen under csApartment CS */
     if (ret == 0)
     {
@@ -594,7 +612,7 @@ HRESULT WINAPI CoInitializeEx(LPVOID lpReserved, DWORD dwCoInit)
 
   if (!(apt = COM_CurrentInfo()->apt))
   {
-    apt = COM_CreateApartment(dwCoInit);
+    apt = get_or_create_apartment(dwCoInit);
     if (!apt) return E_OUTOFMEMORY;
   }
   else if (dwCoInit != apt->model)

dlls/ole32/compobj_private.h

@@ -209,7 +209,6 @@ HRESULT WINAPI RunningObjectTableImpl_UnInitialize(void);
 int WINAPI FileMonikerImpl_DecomposePath(LPCOLESTR str, LPOLESTR** stringTable);
 
 /* compobj.c */
-APARTMENT *COM_CreateApartment(DWORD model);
 APARTMENT *COM_ApartmentFromOXID(OXID oxid, BOOL ref);
 APARTMENT *COM_ApartmentFromTID(DWORD tid);
 DWORD COM_ApartmentAddRef(struct apartment *apt);

dlls/ole32/ole32_main.c

@@ -121,7 +121,6 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 
     switch(fdwReason) {
     case DLL_PROCESS_ATTACH:
-        DisableThreadLibraryCalls(hinstDLL);
         OLE32_hInstance = hinstDLL;
         COMPOBJ_InitProcess();
 	if (TRACE_ON(ole)) CoRegisterMallocSpy((LPVOID)-1);
@@ -132,6 +131,10 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
         COMPOBJ_UninitProcess();
         OLE32_hInstance = 0;
 	break;
+
+    case DLL_THREAD_DETACH:
+        COM_TlsDestroy();
+        break;
     }
     return TRUE;
 }

dlls/ole32/rpc.c

@@ -790,7 +790,7 @@ static DWORD WINAPI client_dispatch_thread(LPVOID param)
     
     /* join marshalling apartment. fixme: this stuff is all very wrong, threading needs to work like native */
     COM_CurrentInfo()->apt = apt;
-    
+
     while (TRUE)
     {
         int i;
@@ -825,6 +825,10 @@ static DWORD WINAPI client_dispatch_thread(LPVOID param)
     }
 
     TRACE("exiting with hres %lx\n",hres);
+
+    /* leave marshalling apartment. fixme: this stuff is all very wrong, threading needs to work like native */
+    COM_CurrentInfo()->apt = NULL;
+
     DisconnectNamedPipe(pipe);
     CloseHandle(pipe);
     return 0;
@@ -934,6 +938,9 @@ static DWORD WINAPI apartment_listener_thread(LPVOID p)
 
     TRACE("shutting down: %s\n", wine_dbgstr_longlong(this_oxid));
 
+    /* we must leave the marshalling threads apartment. we don't have a ref here */
+    COM_CurrentInfo()->apt = NULL;
+
     DisconnectNamedPipe(listenPipe);
     CloseHandle(listenPipe);
     CloseHandle(overlapped.hEvent);

dlls/ole32/tests/marshal.c

@@ -588,7 +588,7 @@ static void test_no_couninitialize()
     SetEvent(ncu_params.unmarshal_event);
     WaitForSingleObject(thread, INFINITE);
 
-    todo_wine { ok_no_locks(); }
+    ok_no_locks();
 
     CloseHandle(thread);
     CloseHandle(ncu_params.marshal_event);