Add the option to not create lockfiles

* src/filelock.c (syms_of_filelock): New boolean create-lockfiles.
(lock_file): If create_lockfiles is 0, do nothing.

* lisp/cus-start.el (create-lockfiles): Add it.

Fixes: debbugs:11227

2 files changed, 5 insertions, 0 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index bf15cd2f9aa..f1429f9f875 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2012-05-10  Dave Abrahams  <dave@boostpro.com>
+
+        * cus-start.el (create-lockfiles): Add it.
+
 2012-05-09  Chong Yidong  <cyd@gnu.org>
 
         * net/browse-url.el (browse-url-url-encode-chars): Use upper-case.
diff --git a/lisp/cus-start.el b/lisp/cus-start.el
index 3863e718f58..fc3c6561a1e 100644
--- a/lisp/cus-start.el
+++ b/lisp/cus-start.el
@@ -204,6 +204,7 @@ Leaving \"Default\" unchecked is equivalent with specifying a default of
              (delete-by-moving-to-trash auto-save boolean "23.1")
              (auto-save-visited-file-name auto-save boolean)
              ;; filelock.c
+             (create-lockfiles files boolean "24.2")
              (temporary-file-directory
               ;; Darwin section added 24.1, does not seem worth :version bump.
               files directory nil