+(defun set-command-line-arguments ()
+ (setf *raw-command-line*
+ (or (when (member :cl-launch *features*)
+ (let* ((cll-package (find-package :cl-launch))
+ (name (funcall (intern "GETENV" cll-package)
+ "CL_LAUNCH_FILE"))
+ (args (symbol-value (intern "*ARGUMENTS*"
+ cll-package))))
+ (if name
+ (cons name args)
+ args)))
+ #+cmu ext:*command-line-strings*
+ #+sbcl sb-ext:*posix-argv*
+ #+ecl (loop from i below (ext:argc) collect (ext:argv i))
+ #+clisp (coerce (ext:argv) 'list)
+ '("<unknown-lisp>" "--" "<unknown-script>")))
+ (setf *command-line*
+ (or (when (member :cl-launched *features*)
+ *raw-command-line*)
+ (cdr (member "--" *raw-command-line* :test #'string=))
+ *raw-command-line*))
+ (setf *program-name* (pathname-name (car *command-line*))))
+(set-command-line-arguments)
+
+#-clisp
+(unless (fboundp 'exit)
+ (defun exit (&optional (code 0))
+ "Polite way to end a program."
+ #+(or cmu ecl) (ext:quit code)
+ #+sbcl (sb-ext:quit :unix-status code)
+ #-(or cmu ecl sbcl)
+ (progn
+ (unless (zerop code)
+ (format t "~&Exiting unsuccessfully with code ~D.~%" code))
+ (abort))))
+
+(defun hard-exit (&optional (code 0))
+ "Stops the program immediately in its tracks. Does nothing else. Use
+ after fork, for example, to avoid flushing buffers."
+ (declare (type (unsigned-byte 32) code))
+ #+cmu (unix::void-syscall ("_exit" c-call:int) code)
+ #+sbcl (sb-ext:quit :unix-status code :recklessly-p t)
+ #+(or clisp ecl) (ext:quit code))