ntdll: Print a warning message specifying the wine-staging branch name and version.

dlls/ntdll/loader.c

@@ -44,6 +44,7 @@ WINE_DECLARE_DEBUG_CHANNEL(relay);
 WINE_DECLARE_DEBUG_CHANNEL(snoop);
 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
 WINE_DECLARE_DEBUG_CHANNEL(imports);
+WINE_DECLARE_DEBUG_CHANNEL(winediag);
 
 #ifdef _WIN64
 #define DEFAULT_SECURITY_COOKIE_64  (((ULONGLONG)0x00002b99 << 32) | 0x2ddfa232)
@@ -3654,6 +3655,7 @@ void WINAPI LdrShutdownProcess(void)
     process_detach();
 }
 
+extern const char * CDECL wine_get_version(void);
 
 /******************************************************************
  *		RtlExitUserProcess (NTDLL.@)
@@ -4076,6 +4078,9 @@ static void release_address_space(void)
  */
 void WINAPI LdrInitializeThunk( CONTEXT *context, ULONG_PTR unknown2, ULONG_PTR unknown3, ULONG_PTR unknown4 )
 {
+    OBJECT_ATTRIBUTES staging_event_attr;
+    UNICODE_STRING staging_event_string;
+    HANDLE staging_event;
     static int attach_done;
     NTSTATUS status;
     ULONG_PTR cookie;
@@ -4164,6 +4169,16 @@ void WINAPI LdrInitializeThunk( CONTEXT *context, ULONG_PTR unknown2, ULONG_PTR
     if (NtCurrentTeb()->WowTebOffset) init_wow64( context );
 #endif
 
+    RtlInitUnicodeString( &staging_event_string, L"\\__wine_staging_warn_event" );
+    InitializeObjectAttributes( &staging_event_attr, &staging_event_string, OBJ_OPENIF, NULL, NULL );
+    if (NtCreateEvent( &staging_event, EVENT_ALL_ACCESS, &staging_event_attr, NotificationEvent, FALSE ) == STATUS_SUCCESS)
+    {
+        FIXME_(winediag)("wine-staging %s is a testing version containing experimental patches.\n", wine_get_version());
+        FIXME_(winediag)("Please mention your exact version when filing bug reports on winehq.org.\n");
+    }
+    else
+        WARN_(winediag)("wine-staging %s is a testing version containing experimental patches.\n", wine_get_version());
+
     RtlAcquirePebLock();
     InsertHeadList( &tls_links, &NtCurrentTeb()->TlsLinks );
     RtlReleasePebLock();