Provide compatibility functions for gnus-set-process-plist

From Katsumi Yamaoka  <yamaoka@jpl.org>

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index f56530f..6390cd1 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2010-08-31  Katsumi Yamaoka  <yamaoka@jpl.org>
 
+       * gnus-ems.el: Provide compatibility functions for
+       gnus-set-process-plist.
+
        * lpath.el: Bind completion-styles for Emacs 21 and XEmacs; bind
        header-line-format for XEmacs 21.4.
 

diff --git a/lisp/gnus-ems.el b/lisp/gnus-ems.el
index 6b7d6a6..32b126a 100644 (file)
--- a/lisp/gnus-ems.el
+++ b/lisp/gnus-ems.el
@@ -305,6 +305,27 @@
          (setq start end
                end nil))))))
 
+(if (fboundp 'set-process-plist)
+    (progn
+      (defalias 'gnus-set-process-plist 'set-process-plist)
+      (defalias 'gnus-process-plist 'process-plist))
+  (defun gnus-set-process-plist (process plist)
+    "Replace the plist of PROCESS with PLIST.  Returns PLIST."
+    (put 'gnus-process-plist process plist))
+  (defun gnus-process-plist (process)
+    "Return the plist of PROCESS."
+    ;; Remove those of dead processes from `gnus-process-plist'
+    ;; to prevent it from growing.
+    (let ((plist (symbol-plist 'gnus-process-plist))
+         proc)
+      (while (setq proc (car plist))
+       (if (and (processp proc)
+                (memq (process-status proc) '(open run)))
+           (setq plist (cddr plist))
+         (setcar plist (caddr plist))
+         (setcdr plist (or (cdddr plist) '(nil))))))
+    (get 'gnus-process-plist process)))
+
 (provide 'gnus-ems)
 
 ;; arch-tag: e7360b45-14b5-4171-aa39-69a44aed3cdb