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;;; -*- Package: SYSTEM -*-
;;;
;;; **********************************************************************
;;; This code was written as part of the CMU Common Lisp project at
;;; Carnegie Mellon University, and has been placed in the public domain.
;;;
(ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/bsd-os.lisp,v 1.7 2004/07/25 19:32:37 pmai Exp $")
;;;
;;; **********************************************************************
;;;
;;; OS interface functions for CMU CL under BSD Unix.
;;;
;;; Written and maintained mostly by Skef Wholey and Rob MacLachlan.
;;; Scott Fahlman, Dan Aronson, and Steve Handerson did stuff here, too.
;;;
;;; Hacked into (Free)bsd-os.lisp by Paul Werkowski.
;;; Generalized a bit for OpenBSD by Pierre R. Mai.
;;; Support for NetBSD by Pierre R. Mai.
;;; Support for Darwin by Pierre R. Mai.
(in-package "SYSTEM")
(use-package "EXTENSIONS")
(export '(get-system-info get-page-size os-init))
(register-lisp-feature :bsd)
(register-lisp-feature #+OpenBSD :OpenBSD
#+NetBSD :NetBSD
#+FreeBSD :FreeBSD
#+Darwin :Darwin
#-(or FreeBSD NetBSD OpenBSD Darwin) :bsd)
(setq *software-type* #+OpenBSD "OpenBSD"
#+NetBSD "NetBSD"
#+FreeBSD "FreeBSD"
#+Darwin "Darwin"
#-(or FreeBSD NetBSD OpenBSD Darwin) "BSD")
(defvar *software-version* nil "Version string for supporting software")
(defun software-version ()
"Returns a string describing version of the supporting software."
(unless *software-version*
(setf *software-version*
(string-trim '(#\newline)
(with-output-to-string (stream)
(run-program "/usr/bin/uname"
'("-r")
:output stream)))))
*software-version*)
;;; OS-Init initializes our operating-system interface. It sets the values
;;; of the global port variables to what they should be and calls the functions
;;; that set up the argument blocks for the server interfaces.
(defun os-init ()
(setf *software-version* nil))
;;; GET-SYSTEM-INFO -- Interface
;;;
;;; Return system time, user time and number of page faults.
;;;
(defun get-system-info ()
(multiple-value-bind (err? utime stime maxrss ixrss idrss
isrss minflt majflt)
(unix:unix-getrusage unix:rusage_self)
(declare (ignore maxrss ixrss idrss isrss minflt))
(unless err?
(error "Unix system call getrusage failed: ~A."
(unix:get-unix-error-msg utime)))
(values utime stime majflt)))
;;; GET-PAGE-SIZE -- Interface
;;;
;;; Return the system page size.
;;;
(defun get-page-size ()