From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 31 Mar 2017 00:47:58 +0000 (-0700)
Subject: * src/inotify.c (add_watch): Add comment.
X-Git-Tag: emacs-26.0.90~522^2~12
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7a8ae233d1bdf538a99233e52f0d7dd0975df2d1;p=emacs.git

* src/inotify.c (add_watch): Add comment.
---

diff --git a/src/inotify.c b/src/inotify.c
index a0a89aa0f41..290701349ef 100644
--- a/src/inotify.c
+++ b/src/inotify.c
@@ -227,6 +227,9 @@ add_watch (int wd, Lisp_Object filename,
 	emacs_abort ();
     }
 
+  /* Insert the newly-assigned ID into the previously-discovered gap,
+     which is possibly at the end of the list.  Inserting it there
+     keeps the list sorted.  */
   watch_id = make_number (id);
   watch = list4 (watch_id, filename, callback, mask);
   XSETCDR (tail, Fcons (watch, XCDR (tail)));