chiark / gitweb /
mdw-mop: Move DEFGENERIC of SLOT-DEFINITION-FILTER.
[lisp] / sys-base.lisp
... / ...
CommitLineData
1;;; -*-lisp-*-
2;;;
3;;; $Id$
4;;;
5;;; Basic system-specific stuff
6;;;
7;;; (c) 2005 Mark Wooding
8;;;
9
10;;;----- Licensing notice ---------------------------------------------------
11;;;
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.
16;;;
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.
21;;;
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.
25
26(defpackage #:runlisp
27 (:use #:common-lisp)
28 (:export #:*raw-command-line* #:*command-line* #:exit)
29 #+clisp (:import-from #:ext #:exit))
30
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)
37
38(defvar *raw-command-line*)
39(defvar *command-line*)
40(defvar *program-name*)
41
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)
47 "CL_LAUNCH_FILE"))
48 (args (symbol-value (intern "*ARGUMENTS*"
49 cll-package))))
50 (if name
51 (cons name args)
52 args)))
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>")))
58 (setf *command-line*
59 (or (when (member :cl-launched *features*)
60 *raw-command-line*)
61 (cdr (member "--" *raw-command-line* :test #'string=))
62 *raw-command-line*))
63 (setf *program-name* (pathname-name (car *command-line*))))
64(set-command-line-arguments)
65
66#-clisp
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)
72 #-(or cmu ecl sbcl)
73 (progn
74 (unless (zerop code)
75 (format t "~&Exiting unsuccessfully with code ~D.~%" code))
76 (abort))))
77
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))
85
86;;;----- That's all, folks --------------------------------------------------