1 files changed, 48 insertions, 0 deletions
diff --git a/private/unimodem/modemui/dll.h b/private/unimodem/modemui/dll.h
new file mode 100644
index 000000000..132abe43e
--- /dev/null
+++ b/private/unimodem/modemui/dll.h
@@ -0,0 +1,48 @@
+//
+// dll.h
+//
+
+#ifndef __DLL_H__
+#define __DLL_H__
+
+extern HINSTANCE g_hinst;
+
+#ifdef WIN32
+
+// Notes:
+//  1. Never "return" from the critical section.
+//  2. Never "SendMessage" or "Yield" from the critical section.
+//  3. Never call USER API which may yield.
+//  4. Always make the critical section as small as possible.
+//  5. Critical sections in Win95 block across processes.  In NT
+//     they are per-process only, so use mutexes instead.
+// 
+
+#define WIN32_CODE(x)       x
+
+void PUBLIC Dll_EnterExclusive(void);
+void PUBLIC Dll_LeaveExclusive(void);
+
+#ifdef WIN95
+#define	USER_IS_ADMIN()	TRUE
+#else // !WIN95
+extern BOOL g_bAdminUser;
+#define	USER_IS_ADMIN()	(g_bAdminUser)
+#endif // !WIN95
+
+#define ENTER_X()    Dll_EnterExclusive();
+#define LEAVE_X()    Dll_LeaveExclusive();
+#define ASSERT_X()   ASSERT(g_bExclusive)
+
+#else   // WIN32
+
+#define WIN32_CODE(x)
+
+#define ENTER_X()    
+#define LEAVE_X()    
+#define ASSERT_X()   
+
+#endif  // WIN32
+
+#endif  //!__DLL_H__
+