From 0f00a7d444575c9ef3e8e33b6bb8a5cfe0c80b3b Mon Sep 17 00:00:00 2001
From: Patrick Mahoney <pat@polycrystal.org>
Date: Sat, 17 Dec 2011 10:07:24 -0600
Subject: [PATCH] Add minor explanatory comment.

---
 lib/process_shared/mutex.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/process_shared/mutex.rb b/lib/process_shared/mutex.rb
index 0842988..8505f40 100644
--- a/lib/process_shared/mutex.rb
+++ b/lib/process_shared/mutex.rb
@@ -68,7 +68,7 @@ module ProcessShared
         if @locked_by.get_int(0) > 0
           false                 # was locked
         else
-          @sem.wait
+          @sem.wait             # should return immediately
           self.locked_by = ::Process.pid
           true
         end