;;; gnus-async.el --- asynchronous support for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
"Support for asynchronous operations."
:group 'gnus)
-(defcustom gnus-asynchronous nil
- "*If nil, inhibit all Gnus asynchronicity.
-If non-nil, let the other asynch variables be heeded."
- :group 'gnus-asynchronous
- :type 'boolean)
-
(defcustom gnus-use-article-prefetch 30
"*If non-nil, prefetch articles in groups that allow this.
If a number, prefetch only that many articles forward;
(const :tag "all" t)
(integer :tag "some" 0)))
+(defcustom gnus-asynchronous nil
+ "*If nil, inhibit all Gnus asynchronicity.
+If non-nil, let the other asynch variables be heeded."
+ :group 'gnus-asynchronous
+ :type 'boolean)
+
(defcustom gnus-prefetched-article-deletion-strategy '(read exit)
"List of symbols that say when to remove articles from the prefetch buffer.
Possible values in this list are `read', which means that
(nntp-server-buffer (current-buffer))
(nntp-have-messaged nil)
(tries 0))
- (condition-case nil
- ;; FIXME: we could stop waiting after some
- ;; timeout, but this is the wrong place to do it.
- ;; rather than checking time-spent-waiting, we
- ;; should check time-since-last-output, which
- ;; needs to be done in nntp.el.
- (while (eq article gnus-async-current-prefetch-article)
- (incf tries)
- (when (nntp-accept-process-output proc)
- (setq tries 0))
- (when (and (not nntp-have-messaged)
- (= tries 3))
- (gnus-message 5 "Waiting for async article...")
- (setq nntp-have-messaged t)))
- (quit
- ;; if the user interrupted on a slow/hung connection,
- ;; do something friendly.
- (when (> tries 3)
- (setq gnus-async-current-prefetch-article nil))
- (signal 'quit nil)))
- (when nntp-have-messaged
- (gnus-message 5 "")))))
+ (when proc
+ (condition-case nil
+ ;; FIXME: we could stop waiting after some
+ ;; timeout, but this is the wrong place to do it.
+ ;; rather than checking time-spent-waiting, we
+ ;; should check time-since-last-output, which
+ ;; needs to be done in nntp.el.
+ (while (eq article gnus-async-current-prefetch-article)
+ (incf tries)
+ (when (nntp-accept-process-output proc)
+ (setq tries 0))
+ (when (and (not nntp-have-messaged)
+ (= tries 3))
+ (gnus-message 5 "Waiting for async article...")
+ (setq nntp-have-messaged t)))
+ (quit
+ ;; if the user interrupted on a slow/hung connection,
+ ;; do something friendly.
+ (when (> tries 3)
+ (setq gnus-async-current-prefetch-article nil))
+ (signal 'quit nil)))
+ (when nntp-have-messaged
+ (gnus-message 5 ""))))))
(defun gnus-async-delete-prefetched-entry (entry)
"Delete ENTRY from buffer and alist."
"Remove all articles belonging to GROUP from the prefetch buffer."
(when (and (gnus-group-asynchronous-p group)
(memq 'exit gnus-prefetched-article-deletion-strategy))
- (let ((alist gnus-async-article-alist))
- (save-excursion
- (gnus-async-set-buffer)
- (while alist
- (when (equal group (nth 3 (car alist)))
- (gnus-async-delete-prefetched-entry (car alist)))
- (pop alist))))))
+ (save-excursion
+ (gnus-async-set-buffer)
+ (dolist (entry gnus-async-article-alist)
+ (when (equal group (nth 3 entry))
+ (gnus-async-delete-prefetched-entry entry))))))
(defun gnus-async-prefetched-article-entry (group article)
"Return the entry for ARTICLE in GROUP iff it has been prefetched."
(provide 'gnus-async)
+;;; arch-tag: fee61de5-3ea2-4de6-8578-2f90ce89391d
;;; gnus-async.el ends here