Andrew Eikum : quartz: Implement IClassFactory::LockServer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b0534c12c0a8b7a526aef04f23f67a33abd3a455
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b0534c12c0a8b7a526aef04f23f67a33abd3a455

Author: Andrew Eikum <aeikum at codeweavers.com>
Date:   Thu Sep  1 15:11:43 2016 -0500

quartz: Implement IClassFactory::LockServer.

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/quartz/main.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/dlls/quartz/main.c b/dlls/quartz/main.c
index 32865f3..7c2accb 100644
--- a/dlls/quartz/main.c
+++ b/dlls/quartz/main.c
@@ -29,6 +29,8 @@ extern HRESULT WINAPI QUARTZ_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLS
 extern HRESULT WINAPI QUARTZ_DllCanUnloadNow(void) DECLSPEC_HIDDEN;
 extern BOOL WINAPI QUARTZ_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
 
+static LONG server_locks = 0;
+
 /* For the moment, do nothing here. */
 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 {
@@ -142,6 +144,10 @@ static HRESULT WINAPI DSCF_LockServer(IClassFactory *iface, BOOL dolock)
 {
     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
     FIXME("(%p)->(%d),stub!\n",This,dolock);
+    if(dolock)
+        InterlockedIncrement(&server_locks);
+    else
+        InterlockedDecrement(&server_locks);
     return S_OK;
 }
 
@@ -204,7 +210,9 @@ HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
  */
 HRESULT WINAPI DllCanUnloadNow(void)
 {
-    return QUARTZ_DllCanUnloadNow();
+    if(server_locks == 0 && QUARTZ_DllCanUnloadNow() == S_OK)
+        return S_OK;
+    return S_FALSE;
 }