Wait for the SCM to be fully initialized before calling allowing a call to OpenSCManager

svn path=/trunk/; revision=27695

reactos/base/system/services/rpcserver.c

@@ -1511,6 +1511,9 @@ ScmrOpenSCManagerW(handle_t BindingHandle,
     if (ScmShutdown)
         return ERROR_SHUTDOWN_IN_PROGRESS;
 
+    if (!ScmWaitForEvent())
+        return ERROR_ACCESS_DENIED;
+
     dwError = ScmCreateManagerHandle(lpDatabaseName,
                                      &hHandle);
     if (dwError != ERROR_SUCCESS)

reactos/base/system/services/services.c

@@ -94,6 +94,27 @@ ScmCreateStartEvent(PHANDLE StartEvent)
 }
 
 
+BOOL ScmWaitForEvent()
+{
+    HANDLE hEvent;
+
+    hEvent = OpenEvent(EVENT_ALL_ACCESS,
+                       FALSE,
+                       TEXT("SvcctrlStartEvent_A3752DX"));
+    
+    if (hEvent)
+    {
+        DWORD ret = WaitForSingleObject(hEvent,
+                                        INFINITE);
+
+        if (ret == WAIT_OBJECT_0)
+            return TRUE;
+    }
+
+    return FALSE;
+}
+
+
 BOOL
 ScmNamedPipeHandleRequest(PVOID Request,
                           DWORD RequestSize,

reactos/base/system/services/services.h

@@ -134,6 +134,7 @@ VOID ScmStartRpcServer(VOID);
 
 /* services.c */
 
+BOOL ScmWaitForEvent();
 VOID PrintString(LPCSTR fmt, ...);
 
 /* EOF */