X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fwin32.lisp;h=facc8c93ba82a9001e0b32c455b35a96b75c582c;hb=085501b44cc1cbdd9e260139d30b383372ddd1b8;hp=4b18a459a8ad7bc1fe23259d94761de185d4369c;hpb=0d5ff04e2ced1cbb2979dd1a7fcfd7ba3d6da7c1;p=sbcl.git

diff --git a/src/code/win32.lisp b/src/code/win32.lisp
index 4b18a45..facc8c9 100644
--- a/src/code/win32.lisp
+++ b/src/code/win32.lisp
@@ -511,12 +511,20 @@
                (addr ,kernel-time)
                (addr ,user-time))))
 
-(declaim (inline system-internal-real-time system-internal-run-time))
-(defun system-internal-real-time ()
-  (with-alien ((system-time filetime))
-    (syscall (("GetSystemTimeAsFileTime" 4) void (* filetime))
-             (values (floor system-time 100ns-per-internal-time-unit))
-             (addr system-time))))
+(declaim (inline system-internal-real-time))
+
+(let ((epoch 0))
+  (declare (unsigned-byte epoch))
+  ;; FIXME: For optimization ideas see the unix implementation.
+  (defun reinit-internal-real-time ()
+    (setf epoch 0
+          epoch (get-internal-real-time)))
+  (defun get-internal-real-time ()
+    (- (with-alien ((system-time filetime))
+         (syscall (("GetSystemTimeAsFileTime" 4) void (* filetime))
+                  (values (floor system-time 100ns-per-internal-time-unit))
+                  (addr system-time)))
+       epoch)))
 
 (defun system-internal-run-time ()
   (with-process-times (creation-time exit-time kernel-time user-time)