X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fwin32.lisp;h=fb3d5c120f82a65ee22642fdded497b52a65b520;hb=9a82b26397de09d67372f34158090c2284fd1411;hp=facc8c93ba82a9001e0b32c455b35a96b75c582c;hpb=d25e3478acccec70402ff32554669a982be8e281;p=sbcl.git

diff --git a/src/code/win32.lisp b/src/code/win32.lisp
index facc8c9..fb3d5c1 100644
--- a/src/code/win32.lisp
+++ b/src/code/win32.lisp
@@ -530,6 +530,51 @@
   (with-process-times (creation-time exit-time kernel-time user-time)
     (values (floor (+ user-time kernel-time) 100ns-per-internal-time-unit))))
 
+(define-alien-type hword (unsigned 16))
+
+(define-alien-type systemtime
+    (struct systemtime
+            (year hword)
+            (month hword)
+            (weekday hword)
+            (day hword)
+            (hour hword)
+            (minute hword)
+            (second hword)
+            (millisecond hword)))
+
+;; Obtained with, but the XC can't deal with that -- but
+;; it's not like the value is ever going to change...
+;; (with-alien ((filetime filetime)
+;;              (epoch systemtime))
+;;   (setf (slot epoch 'year) 1970
+;;         (slot epoch 'month) 1
+;;         (slot epoch 'day) 1
+;;         (slot epoch 'hour) 0
+;;         (slot epoch 'minute) 0
+;;         (slot epoch 'second) 0
+;;         (slot epoch 'millisecond) 0)
+;;   (syscall (("SystemTimeToFileTime" 8) void
+;;             (* systemtime) (* filetime))
+;;            filetime
+;;            (addr epoch)
+;;            (addr filetime)))
+(defconstant +unix-epoch-filetime+ 116444736000000000)
+
+#!-sb-fluid
+(declaim (inline get-time-of-day))
+(defun get-time-of-day ()
+  "Return the number of seconds and microseconds since the beginning og the
+UNIX epoch: January 1st 1970."
+  (with-alien ((system-time filetime))
+    (syscall (("GetSystemTimeAsFileTime" 4) void (* filetime))
+             (multiple-value-bind (sec 100ns)
+                 (floor (- system-time +unix-epoch-filetime+)
+                        (* 100ns-per-internal-time-unit
+                           internal-time-units-per-second))
+               (values sec (floor 100ns 10)))
+             (addr system-time))))
+
 ;; SETENV
 ;; The SetEnvironmentVariable function sets the contents of the specified
 ;; environment variable for the current process.