src/code/win32-os.lisp

   1 ;;;; OS interface functions for SBCL under Win32.
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; This software is derived from the CMU CL system, which was
   7 ;;;; written at Carnegie Mellon University and released into the
   8 ;;;; public domain. The software is in the public domain and is
   9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  10 ;;;; files for more information.
  11
  12 (in-package "SB!SYS")
  13
  14 ;;; Check that target machine features are set up consistently with
  15 ;;; this file.
  16 #!-win32 (error "missing :WIN32 feature")
  17
  18 (defun software-type ()
  19   #!+sb-doc
  20   "Return a string describing the supporting software."
  21   (values "Win32"))
  22
  23 (defun software-version ()
  24   #!+sb-doc
  25   "Return a string describing version of the supporting software, or NIL
  26   if not available."
  27   (or *software-version*
  28       (setf *software-version*
  29             (multiple-value-bind
  30                   (major-version minor-version build-number platform-id csd-version)
  31                 (sb!win32:get-version-ex)
  32               (declare (ignore platform-id))
  33               (format nil (if (zerop (length csd-version))
  34                               "~A.~A.~A"
  35                               "~A.~A.~A (~A)")
  36                       major-version minor-version build-number csd-version)))))
  37
  38 ;;; Return user time, system time, and number of page faults.
  39 (defun get-system-info ()
  40   (sb!win32:with-process-times (creation-time exit-time kernel-time user-time)
  41     (values (floor user-time 10) (floor kernel-time 10) 0)))
  42
  43 ;;; Return the system page size.
  44 (defun get-page-size ()
  45   ;; probably should call getpagesize()
  46   ;; FIXME: Or we could just get rid of this, since the uses of it look
  47   ;; disposable.
  48   4096)