X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/939c2b22a74142b76a62ba02b9da29ccb20dc5c2..2ac3322ef9bc032ad942753a56696764aa0b0f74:/windows/winstuff.h

diff --git a/windows/winstuff.h b/windows/winstuff.h
index 28dd08db..177c7d2f 100644
--- 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