| 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 -------------------------------------------------- |