src/code/osf1-os.lisp

   1 ;;;; OS interface functions for CMU CL under OSF/1
   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 #!-osf1 (error "missing :OSF1 feature")
  17
  18 (defun software-type ()
  19   #!+sb-doc
  20   "Return a string describing the supporting software."
  21   (values "OSF/1"))
  22
  23 (defvar *software-version* nil)
  24
  25 (defun software-version ()
  26   #!+sb-doc
  27   "Return a string describing version of the supporting software, or NIL
  28   if not available."
  29   (or *software-version*
  30       (setf *software-version*
  31             (string-trim '(#\newline)
  32                          (with-output-to-string (stream)
  33                            (sb!ext:run-program "/bin/uname" `("-r")
  34                                                :output stream))))))
  35
  36 (defun os-cold-init-or-reinit () ; KLUDGE: don't know what to do here
  37   (/show "entering osf1-os.lisp OS-COLD-INIT-OR-REINIT")
  38   (setf *software-version* nil)
  39   (/show "setting *DEFAULT-PATHNAME-DEFAULTS*")
  40   (setf *default-pathname-defaults*
  41         ;; (temporary value, so that #'PATHNAME won't blow up when
  42         ;; we call it below:)
  43         (make-trivial-default-pathname)
  44         *default-pathname-defaults*
  45         ;; (final value, constructed using #'PATHNAME:)
  46         (pathname (sb!unix:posix-getcwd/)))
  47   (/show "leaving osf1-os.lisp OS-COLD-INIT-OR-REINIT"))
  48
  49 ;;; Return system time, user time and number of page faults.
  50 (defun get-system-info ()
  51   (multiple-value-bind
  52       (err? utime stime maxrss ixrss idrss isrss minflt majflt)
  53       (sb!unix:unix-getrusage sb!unix:rusage_self)
  54     (declare (ignore maxrss ixrss idrss isrss minflt))
  55     (unless err? ; FIXME: nonmnemonic (reversed) name for ERR?
  56       (error "Unix system call getrusage failed: ~A." (strerror utime)))
  57     (values utime stime majflt)))
  58
  59 ;;; Return the system page size.
  60 (defun get-page-size ()
  61   ;; probably should call getpagesize()
  62   ;; FIXME: Or we could just get rid of this, since the uses of it look
  63   ;; disposable.
  64   4096)