declare smobs in alloc.c

[bpt/emacs.git] / lisp / emacs-lock.el

diff --git a/lisp/emacs-lock.el b/lisp/emacs-lock.el
index 0b116ac..0432fc2 100644 (file)
--- a/lisp/emacs-lock.el
+++ b/lisp/emacs-lock.el
@@ -1,10 +1,10 @@
 ;;; emacs-lock.el --- protect buffers against killing or exiting -*- lexical-binding: t -*-
 
-;; Copyright (C) 2011-2013 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2014 Free Software Foundation, Inc.
 
 ;; Author: Juanma Barranquero <lekktu@gmail.com>
 ;; Inspired by emacs-lock.el by Tom Wurgler <twurgler@goodyear.com>
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
 ;; Keywords: extensions, processes
 
 ;; This file is part of GNU Emacs.
@@ -27,7 +27,7 @@
 ;; This package defines a minor mode Emacs Lock to mark a buffer as
 ;; protected against accidental killing, or exiting Emacs, or both.
 ;; Buffers associated with inferior modes, like shell or telnet, can
-;; be treated specially, by auto-unlocking them if their interior
+;; be treated specially, by auto-unlocking them if their inferior
 ;; processes are dead.
 
 ;;; Code:
@@ -88,32 +88,28 @@ The functions get one argument, the first locked buffer found."
   :group 'emacs-lock
   :version "24.3")
 
-(defvar emacs-lock-mode nil
+(defvar-local emacs-lock-mode nil
   "If non-nil, the current buffer is locked.
 It can be one of the following values:
  exit   -- Emacs cannot exit while the buffer is locked
  kill   -- the buffer cannot be killed, but Emacs can exit as usual
  all    -- the buffer is locked against both actions
  nil    -- the buffer is not locked")
-(make-variable-buffer-local 'emacs-lock-mode)
 (put 'emacs-lock-mode 'permanent-local t)
 
-(defvar emacs-lock--old-mode nil
+(defvar-local emacs-lock--old-mode nil
   "Most recent locking mode set on the buffer.
 Internal use only.")
-(make-variable-buffer-local 'emacs-lock--old-mode)
 (put 'emacs-lock--old-mode 'permanent-local t)
 
-(defvar emacs-lock--try-unlocking nil
+(defvar-local emacs-lock--try-unlocking nil
   "Non-nil if current buffer should be checked for auto-unlocking.
 Internal use only.")
-(make-variable-buffer-local 'emacs-lock--try-unlocking)
 (put 'emacs-lock--try-unlocking 'permanent-local t)
 
 (defun emacs-lock-live-process-p (buffer-or-name)
   "Return t if BUFFER-OR-NAME is associated with a live process."
-  (let ((proc (get-buffer-process buffer-or-name)))
-    (and proc (process-live-p proc))))
+  (process-live-p (get-buffer-process buffer-or-name)))
 
 (defun emacs-lock--can-auto-unlock (action)
   "Return t if the current buffer can auto-unlock for ACTION.
@@ -188,6 +184,7 @@ Return a value appropriate for `kill-buffer-query-functions' (which see)."
 
 (define-obsolete-variable-alias 'emacs-lock-from-exiting
   'emacs-lock-mode "24.1")
+
 ;;;###autoload
 (define-minor-mode emacs-lock-mode
   "Toggle Emacs Lock mode in the current buffer.