Function: gnus-1
gnus-1 is an autoloaded and byte-compiled function defined in
gnus-start.el.gz.
Signature
(gnus-1 &optional ARG DONT-CONNECT CHILD)
Documentation
Read network news.
If ARG is non-nil and a positive number, Gnus will use that as the startup level. If ARG is non-nil and not a positive number, Gnus will prompt the user for the name of an NNTP server to use.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-start.el.gz
(defun gnus-1 (&optional arg dont-connect child)
"Read network news.
If ARG is non-nil and a positive number, Gnus will use that as the
startup level. If ARG is non-nil and not a positive number, Gnus will
prompt the user for the name of an NNTP server to use."
(if (gnus-alive-p)
(progn
(gnus-run-hooks 'gnus-before-resume-hook)
(switch-to-buffer gnus-group-buffer)
(gnus-group-get-new-news
(and (numberp arg)
(> arg 0)
(max (car gnus-group-list-mode) arg))))
(gnus-clear-system)
(gnus-splash)
(gnus-run-hooks 'gnus-before-startup-hook)
(nnheader-init-server-buffer)
(setq gnus-child child)
(gnus-read-init-file)
;; Add "native" to gnus-predefined-server-alist just to have a
;; name for the native select method.
(when gnus-select-method
(add-to-list 'gnus-predefined-server-alist
(cons "native" gnus-select-method)))
(if gnus-agent
(gnus-agentize))
(let ((level (and (numberp arg) (> arg 0) arg))
did-connect)
(unwind-protect
(progn
(unless dont-connect
(setq did-connect
(gnus-start-news-server (and arg (not level))))))
(if (and (not dont-connect)
(not did-connect))
;; Couldn't connect to the server, so bail out.
(gnus-group-quit)
(gnus-run-hooks 'gnus-startup-hook)
;; Find the current startup file name.
(setq gnus-current-startup-file
(gnus-make-newsrc-file gnus-startup-file))
;; Read the dribble file.
(when (or gnus-child gnus-use-dribble-file)
(gnus-dribble-read-file))
;; Do the actual startup.
(gnus-setup-news nil level dont-connect)
(gnus-run-hooks 'gnus-setup-news-hook)
(when gnus-agent
(gnus-request-create-group "queue" '(nndraft "")))
(when gnus-dbus-close-on-sleep
(gnus-dbus-register-sleep-signal))
(gnus-start-draft-setup)
;; Generate the group buffer.
(gnus-group-list-groups level)
(gnus-group-first-unread-group)
(gnus-configure-windows 'group)
(gnus-group-set-mode-line)
(gnus-run-hooks 'gnus-started-hook))))))