From 1bbae2431ff1746cbc8fee66df69131f0e2d7294 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 1 Nov 2011 03:04:53 +0000
Subject: add comment.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33599 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/dbm/dbm.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'ext/dbm')

diff --git a/ext/dbm/dbm.c b/ext/dbm/dbm.c
index 9b52a4eac2..6e6ac909cc 100644
--- a/ext/dbm/dbm.c
+++ b/ext/dbm/dbm.c
@@ -137,9 +137,14 @@ fdbm_initialize(int argc, VALUE *argv, VALUE obj)
 
     FilePathValue(file);
 
+    /* 
+     * Note:
+     * The dbm compatibility layer of gdbm 1.9 doesn't respect O_CLOEXEC.
+     */
 #ifndef O_CLOEXEC
 #   define O_CLOEXEC 0
 #endif
+
     if (flags & RUBY_DBM_RW_BIT) {
         flags &= ~RUBY_DBM_RW_BIT;
         dbm = dbm_open(RSTRING_PTR(file), flags|O_CLOEXEC, mode);
-- 
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