;;; gnus-async.el --- asynchronous support for Gnus
-;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2003
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
"Support for asynchronous operations."
:group 'gnus)
-(defcustom gnus-asynchronous t
- "*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
"Possibly prefetch several articles starting with ARTICLE."
(if (not (gnus-buffer-live-p summary))
(gnus-async-with-semaphore
- (setq gnus-async-fetch-list nil))
+ (setq gnus-async-fetch-list nil))
(when (and gnus-asynchronous
(gnus-alive-p))
(when next
(gnus-async-with-semaphore
- (pop gnus-async-fetch-list)))
+ (pop gnus-async-fetch-list)))
(let ((do-fetch next)
- (do-message t)) ;(eq major-mode 'gnus-summary-mode)))
+ (do-message t)) ;(eq major-mode 'gnus-summary-mode)))
(when (and (gnus-group-asynchronous-p group)
(gnus-buffer-live-p summary)
(or (not next)
gnus-async-fetch-list))
(gnus-async-with-semaphore
- (unless next
- (setq do-fetch (not gnus-async-fetch-list))
- ;; Nix out any outstanding requests.
- (setq gnus-async-fetch-list nil)
- ;; Fill in the new list.
- (let ((n gnus-use-article-prefetch)
- (data (gnus-data-find-list article))
- d)
- (while (and (setq d (pop data))
- (if (numberp n)
- (natnump (decf n))
- n))
- (unless (or (gnus-async-prefetched-article-entry
- group (setq article (gnus-data-number d)))
- (not (natnump article))
- (not (funcall gnus-async-prefetch-article-p d)))
- ;; Not already fetched -- so we add it to the list.
- (push article gnus-async-fetch-list)))
- (setq gnus-async-fetch-list
- (nreverse gnus-async-fetch-list))))
-
- (when do-fetch
- (setq article (car gnus-async-fetch-list))))
+ (unless next
+ (setq do-fetch (not gnus-async-fetch-list))
+ ;; Nix out any outstanding requests.
+ (setq gnus-async-fetch-list nil)
+ ;; Fill in the new list.
+ (let ((n gnus-use-article-prefetch)
+ (data (gnus-data-find-list article))
+ d)
+ (while (and (setq d (pop data))
+ (if (numberp n)
+ (natnump (decf n))
+ n))
+ (unless (or (gnus-async-prefetched-article-entry
+ group (setq article (gnus-data-number d)))
+ (not (natnump article))
+ (not (funcall gnus-async-prefetch-article-p d)))
+ ;; Not already fetched -- so we add it to the list.
+ (push article gnus-async-fetch-list)))
+ (setq gnus-async-fetch-list
+ (nreverse gnus-async-fetch-list))))
+
+ (when do-fetch
+ (setq article (car gnus-async-fetch-list))))
(when (and do-fetch article)
;; We want to fetch some more articles.
(when arg
(gnus-async-set-buffer)
(gnus-async-with-semaphore
- (setq
- gnus-async-article-alist
- (cons (list (intern (format "%s-%d" group article)
- gnus-async-hashtb)
- mark (set-marker (make-marker) (point-max))
- group article)
- gnus-async-article-alist))))
+ (setq
+ gnus-async-article-alist
+ (cons (list (intern (format "%s-%d" group article)
+ gnus-async-hashtb)
+ mark (set-marker (make-marker) (point-max))
+ group article)
+ gnus-async-article-alist))))
(if (not (gnus-buffer-live-p summary))
(gnus-async-with-semaphore
- (setq gnus-async-fetch-list nil))
+ (setq gnus-async-fetch-list nil))
(gnus-async-prefetch-article group next summary t))))
(defun gnus-async-unread-p (data)
;; needs to be done in nntp.el.
(while (eq article gnus-async-current-prefetch-article)
(incf tries)
- (when (nntp-accept-process-output proc 1)
+ (when (nntp-accept-process-output proc)
(setq tries 0))
- (when (and (not nntp-have-messaged) (eq 3 tries))
+ (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 (< 3 tries)
+ (when (> tries 3)
(setq gnus-async-current-prefetch-article nil))
(signal 'quit nil)))
(when nntp-have-messaged
(set-marker (cadr entry) nil)
(set-marker (caddr entry) nil))
(gnus-async-with-semaphore
- (setq gnus-async-article-alist
- (delq entry gnus-async-article-alist))))
+ (setq gnus-async-article-alist
+ (delq entry gnus-async-article-alist))))
(defun gnus-async-prefetch-remove-group (group)
"Remove all articles belonging to GROUP from the prefetch buffer."
(provide 'gnus-async)
+;;; arch-tag: fee61de5-3ea2-4de6-8578-2f90ce89391d
;;; gnus-async.el ends here
projects / gnus / blobdiff