[mlang.dll] DllCanUnloadNow

[Christian Gmeiner]

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This patch
+ implements LockServer
+ implements DllCanUnloadNow
+ add some needed calls to LockModule() & UnlockModule()

If it didn't get into cvs i want a mail with the cause.
- --
Christian Gmeiner - student of computer science

http://dxr3plugin.sf.net
http://itb04.ath.cx
http://javamill.ath.cx
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Index: dlls/mlang/mlang.c
===================================================================
RCS file: /home/wine/wine/dlls/mlang/mlang.c,v
retrieving revision 1.25
diff -u -r1.25 mlang.c
--- dlls/mlang/mlang.c  6 Dec 2005 10:39:43 -0000       1.25
+++ dlls/mlang/mlang.c  3 Mar 2006 08:47:38 -0000
@@ -453,6 +453,21 @@

 static void fill_cp_info(const struct mlang_data *ml_data, UINT index, MIMECPINFO *mime_cp_info);

+static LONG dll_count;
+
+/*
+ * Dll lifetime tracking declaration
+ */
+static void LockModule(void)
+{
+    InterlockedIncrement(&dll_count);
+}
+
+static void UnlockModule(void)
+{
+    InterlockedDecrement(&dll_count);
+}
+
 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 {
     switch(fdwReason) {
@@ -709,6 +724,7 @@
     {
         TRACE("Destroying %p\n", This);
        HeapFree(GetProcessHeap(), 0, This);
+        UnlockModule();
     }

     return ref;
@@ -735,8 +751,11 @@

 static HRESULT WINAPI MLANGCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 {
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
-    FIXME("(%p)->(%d),stub!\n",This,dolock);
+    if (dolock)
+        LockModule();
+    else
+        UnlockModule();
+
     return S_OK;
 }

@@ -2281,6 +2300,9 @@
     mlang->ref = 1;
     *ppObj = (LPVOID) mlang;
     TRACE("returning %p\n", mlang);
+
+    LockModule();
+
     return S_OK;
 }

@@ -2288,8 +2310,7 @@

 HRESULT WINAPI DllCanUnloadNow(void)
 {
-    FIXME("\n");
-    return S_FALSE;
+    return dll_count == 0 ? S_OK : S_FALSE;
 }

 HRESULT WINAPI GetGlobalFontLinkObject(void)