Render timing.c robust in the face of strangeness. The strangenesses

[u/mdw/putty] / windows / winstuff.h

diff --git a/windows/winstuff.h b/windows/winstuff.h
index 28dd08d..177c7d2 100644 (file)
--- a/windows/winstuff.h
+++ b/windows/winstuff.h
@@ -139,6 +139,15 @@ GLOBAL void *logctx;
                               "All Files (*.*)\0*\0\0\0")
 
 /*
+ * On some versions of Windows, it has been known for WM_TIMER to
+ * occasionally get its callback time simply wrong, and call us
+ * back several minutes early. Defining these symbols enables
+ * compensation code in timing.c.
+ */
+#define TIMING_SYNC
+#define TIMING_SYNC_TICKCOUNT
+
+/*
  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
  * what it can get, which means any WinSock routines used outside
  * that module must be exported from it as function pointers. So