5 ;;; Basic system-specific stuff
7 ;;; (c) 2005 Mark Wooding
10 ;;;----- Licensing notice ---------------------------------------------------
12 ;;; This program is free software; you can redistribute it and/or modify
13 ;;; it under the terms of the GNU General Public License as published by
14 ;;; the Free Software Foundation; either version 2 of the License, or
15 ;;; (at your option) any later version.
17 ;;; This program is distributed in the hope that it will be useful,
18 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;;; GNU General Public License for more details.
22 ;;; You should have received a copy of the GNU General Public License
23 ;;; along with this program; if not, write to the Free Software Foundation,
24 ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 (:export #:*raw-command-line* #:*command-line* #:exit)
29 #+clisp (:import-from #:ext #:exit))
31 (defpackage #:mdw.sys-base
32 (:use #:common-lisp #:runlisp)
33 (:export #:exit #:hard-exit #:*program-name* #:*command-line*
34 set-command-line-arguments)
35 (:import-from #:runlisp #:*raw-command-line* #:*command-line* #:exit))
36 (in-package #:mdw.sys-base)
38 (defvar *raw-command-line*)
39 (defvar *command-line*)
40 (defvar *program-name*)
42 (defun set-command-line-arguments ()
43 (setf *raw-command-line*
44 (or (when (member :cl-launched *features*)
45 (let* ((cll-package (find-package :cl-launch))
46 (name (funcall (intern "GETENV" cll-package)
48 (args (symbol-value (intern "*ARGUMENTS*"
53 #+cmu ext:*command-line-strings*
54 #+sbcl sb-ext:*posix-argv*
55 #+ecl (loop from i below (ext:argc) collect (ext:argv i))
56 #+clisp (coerce (ext:argv) 'list)
57 '("<unknown-lisp>" "--" "<unknown-script>")))
59 (or (when (member :cl-launched *features*)
61 (cdr (member "--" *raw-command-line* :test #'string=))
63 (setf *program-name* (pathname-name (car *command-line*))))
64 (set-command-line-arguments)
67 (unless (fboundp 'exit)
68 (defun exit (&optional (code 0))
69 "Polite way to end a program."
70 #+(or cmu ecl) (ext:quit code)
71 #+sbcl (sb-ext:quit :unix-status code)
75 (format t "~&Exiting unsuccessfully with code ~D.~%" code))
78 (defun hard-exit (&optional (code 0))
79 "Stops the program immediately in its tracks. Does nothing else. Use
80 after fork, for example, to avoid flushing buffers."
81 (declare (type (unsigned-byte 32) code))
82 #+cmu (unix::void-syscall ("_exit" c-call:int) code)
83 #+sbcl (sb-ext:quit :unix-status code :recklessly-p t)
84 #+(or clisp ecl) (ext:quit code))
86 ;;;----- That's all, folks --------------------------------------------------