win32u: Move KillSystemTimer implementation from user32.

dlls/user32/message.c

@@ -4422,17 +4422,7 @@ UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
  */
 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
 {
-    BOOL ret;
-
-    SERVER_START_REQ( kill_win_timer )
-    {
-        req->win = wine_server_user_handle( hwnd );
-        req->msg = WM_SYSTIMER;
-        req->id  = id;
-        ret = !wine_server_call_err( req );
-    }
-    SERVER_END_REQ;
-    return ret;
+    return NtUserCallHwndParam( hwnd, id, NtUserKillSystemTimer );
 }
 
 

dlls/win32u/message.c

@@ -210,6 +210,22 @@ BOOL WINAPI NtUserKillTimer( HWND hwnd, UINT_PTR id )
     return ret;
 }
 
+/* see KillSystemTimer */
+BOOL kill_system_timer( HWND hwnd, UINT_PTR id )
+{
+    BOOL ret;
+
+    SERVER_START_REQ( kill_win_timer )
+    {
+        req->win = wine_server_user_handle( hwnd );
+        req->msg = WM_SYSTIMER;
+        req->id  = id;
+        ret = !wine_server_call_err( req );
+    }
+    SERVER_END_REQ;
+    return ret;
+}
+
 /* see SendMessageW */
 LRESULT send_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 {

dlls/win32u/win32u_private.h

@@ -313,6 +313,7 @@ extern BOOL set_capture_window( HWND hwnd, UINT gui_flags, HWND *prev_ret ) DECL
 extern BOOL set_foreground_window( HWND hwnd, BOOL mouse ) DECLSPEC_HIDDEN;
 
 /* message.c */
+extern BOOL kill_system_timer( HWND hwnd, UINT_PTR id ) DECLSPEC_HIDDEN;
 extern LRESULT post_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
 extern LRESULT send_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
 

dlls/win32u/window.c

@@ -3332,6 +3332,8 @@ ULONG_PTR WINAPI NtUserCallHwndParam( HWND hwnd, DWORD_PTR param, DWORD code )
         return get_window_word( hwnd, param );
     case NtUserIsChild:
         return is_child( hwnd, UlongToHandle(param) );
+    case NtUserKillSystemTimer:
+        return kill_system_timer( hwnd, param );
     case NtUserMonitorFromWindow:
         return HandleToUlong( monitor_from_window( hwnd, param, NtUserMonitorFromWindow ));
     case NtUserSetCaptureWindow:

include/ntuser.h

@@ -178,6 +178,7 @@ enum
     NtUserGetWindowThread,
     NtUserGetWindowWord,
     NtUserIsChild,
+    NtUserKillSystemTimer,
     NtUserMonitorFromWindow,
     NtUserSetCaptureWindow,
     NtUserSetForegroundWindow,