From 5a44bfea9d4a6e6fbc8c74aa7e8691b47397927a Mon Sep 17 00:00:00 2001 From: Michael Albinus Date: Sun, 28 Feb 2016 10:54:45 +0100 Subject: [PATCH] Set auto-revert-use-notify to nil in global-auto-revert-mode. (Bug#22814) * etc/NEWS: * etc/PROBLEMS: Mention this. * lisp/autorevert.el (global-auto-revert-mode): Set `auto-revert-use-notify' to nil. (Bug#22814) --- etc/NEWS | 10 ++++++++-- etc/PROBLEMS | 3 ++- lisp/autorevert.el | 6 +++++- 3 files changed, 15 insertions(+), 4 deletions(-) diff --git a/etc/NEWS b/etc/NEWS index 8d8660526ed..ecbc4ef248e 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -1222,9 +1222,15 @@ make the new option `eshell-destroy-buffer-when-process-dies' non-nil. ** tar-mode: new `tar-new-entry' command, allowing for new members to be added to the archive. +** Autorevert + +--- +*** Dired buffers are also auto-reverted via file notifications, if +Emacs is compiled with file notification support. + --- -** Autorevert: dired buffers are also auto-reverted via file -notifications, if Emacs is compiled with file notification support. +*** `auto-revert-use-notify' is set to nil in `global-auto-revert-mode'. +See . ** File Notifications diff --git a/etc/PROBLEMS b/etc/PROBLEMS index 0491935b10c..d5313677113 100644 --- a/etc/PROBLEMS +++ b/etc/PROBLEMS @@ -601,6 +601,7 @@ can cause this error. Remove that file, execute 'ispell-kill-ispell' in Emacs, and then try spell-checking again. *** Emacs eats all file descriptors when using kqueue file notifications. +See . When you have a large number of buffers running auto-revert-mode, and Emacs is configured to use the kqueue file notification library, it @@ -608,7 +609,7 @@ uses an own file descriptor for every watched file. On systems with a small limit of file descriptors allowed per process, like OS X, you could run out of file descriptors. You won't be able to open new files. -Set auto-revert-use-notify to nil in order to avoid this problem. +auto-revert-use-notify is set to nil in global-auto-revert-mode, therefore. * Runtime problems related to font handling diff --git a/lisp/autorevert.el b/lisp/autorevert.el index 14e39bddd2e..bde8eb84a64 100644 --- a/lisp/autorevert.el +++ b/lisp/autorevert.el @@ -458,7 +458,11 @@ specifies in the mode line." :global t :group 'auto-revert :lighter global-auto-revert-mode-text (auto-revert-set-timer) (if global-auto-revert-mode - (auto-revert-buffers) + (progn + ;; We disable file notification because it could use too many + ;; ressources. See . + (setq auto-revert-use-notify nil) + (auto-revert-buffers)) (dolist (buf (buffer-list)) (with-current-buffer buf (when auto-revert-use-notify -- 2.39.2