[Emacs-diffs] /srv/bzr/emacs/trunk r106275: * lisp/gnus/nnimap.el (nnimap-open-connection-1): Use tcp-keealive if possible.

[Stefan Monnier]

------------------------------------------------------------
revno: 106275
committer: Stefan Monnier <address@hidden>
branch nick: trunk
timestamp: Thu 2011-11-03 15:28:45 -0400
message:
  * lisp/gnus/nnimap.el (nnimap-open-connection-1): Use tcp-keealive if 
possible.
modified:
  lisp/gnus/ChangeLog
  lisp/gnus/nnimap.el

=== modified file 'lisp/gnus/ChangeLog'
--- a/lisp/gnus/ChangeLog       2011-11-02 22:59:23 +0000
+++ b/lisp/gnus/ChangeLog       2011-11-03 19:28:45 +0000
@@ -1,3 +1,7 @@
+2011-11-03  Stefan Monnier  <address@hidden>
+
+       * nnimap.el (nnimap-open-connection-1): Use tcp-keealive if possible.
+
 2011-11-02  Teodor Zlatanov  <address@hidden>
 
        * gnus-util.el (gnus-bound-and-true-p): Another comment to explain why

=== modified file 'lisp/gnus/nnimap.el'
--- a/lisp/gnus/nnimap.el       2011-09-26 22:52:31 +0000
+++ b/lisp/gnus/nnimap.el       2011-11-03 19:28:45 +0000
@@ -397,6 +397,14 @@
             (stream-type (plist-get props :type)))
        (when (and stream (not (memq (process-status stream) '(open run))))
          (setq stream nil))
+
+        (when (and (fboundp 'set-network-process-option) ;; Not in XEmacs.
+                   (fboundp 'process-type) ;; Emacs 22 doesn't provide it.
+                   (eq (process-type stream) 'network))
+          ;; Use TCP-keepalive so that connections that pass through a NAT
+          ;; router don't hang when left idle.
+          (set-network-process-option stream :keepalive t))
+
        (setf (nnimap-process nnimap-object) stream)
        (setf (nnimap-stream-type nnimap-object) stream-type)
        (if (not stream)