| 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 #:*lisp-interpreter* #:*command-line-strings* #:run)) |
| 29 | (defvar runlisp:*command-line-strings* '("<interactive>")) |
| 30 | |
| 31 | (defpackage #:mdw.sys-base |
| 32 | (:use #:common-lisp #:runlisp) |
| 33 | (:export #:exit #:hard-exit #:*program-name* #:*command-line-strings*) |
| 34 | (:import-from #:runlisp #:*lisp-interpreter* #:*command-line-strings*) |
| 35 | #+clisp (:import-from #:ext #:exit)) |
| 36 | (in-package #:mdw.sys-base) |
| 37 | |
| 38 | (defun hard-exit (&optional (code 0)) |
| 39 | "Stops the program immediately in its tracks. Does nothing else. Use |
| 40 | after fork, for example, to avoid flushing buffers." |
| 41 | (declare (type (unsigned-byte 32) code)) |
| 42 | #+cmu (unix::void-syscall ("_exit" c-call:int) code) |
| 43 | #+(or clisp ecl) (ext:quit code)) |
| 44 | |
| 45 | #-clisp |
| 46 | (defun exit (&optional (code 0)) |
| 47 | "Polite way to end a program. If running in an interactive Lisp, just |
| 48 | return to the top-level REPL." |
| 49 | (if (boundp '*lisp-interpreter*) |
| 50 | #+(or cmu ecl) (ext:quit code) |
| 51 | (progn |
| 52 | (unless (zerop code) |
| 53 | (format t "~&Exiting unsuccessfully with code ~D.~%" code)) |
| 54 | (abort)))) |
| 55 | |
| 56 | (defvar *program-name* |
| 57 | (pathname-name (car *command-line-strings*)) |
| 58 | "A plausible guess at the program's name, stripped of strange extensions.") |
| 59 | |
| 60 | ;;;----- That's all, folks -------------------------------------------------- |