From 3abdb27561711dc4b64b8daea0731ada7c5aace4 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 4 Jul 2011 23:05:30 -0600
Subject: [PATCH] ...

---
 src/calibre/db/locking.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/calibre/db/locking.py b/src/calibre/db/locking.py
index f2a1e4de1f..266cb9b62c 100644
--- a/src/calibre/db/locking.py
+++ b/src/calibre/db/locking.py
@@ -40,7 +40,8 @@ def create_locks():
 class SHLock(object):
     '''
     Shareable lock class. Used to implement the Multiple readers-single writer
-    paradigm.
+    paradigm. As best as I can tell, neither writer nor reader starvation
+    should be possible.
 
     Based on code from: https://github.com/rfk/threading2
     '''