a pointer to async-dns alternatives.

apparently glibc 2.2.4 and windows both have async gethostbynames now.
we'll want to make use of them if they're available (via autoconf).

svn:r347

diff --git a/src/or/dns.c b/src/or/dns.c
index 562eb1caba35569d44f403c65f2c228b60d1d76b..4a4ce3d494f471edbecfc9093b2b8a3932d816e2 100644 (file)
--- a/src/or/dns.c
+++ b/src/or/dns.c
@@ -2,6 +2,11 @@
 /* See LICENSE for licensing information */
 /* $Id$ */
 
+/* See http://elvin.dstc.com/ListArchive/elvin-dev/archive/2001/09/msg00027.html
+ * for some approaches to asynchronous dns. We will want to switch once one of
+ * them becomes more commonly available.
+ */
+
 #include "or.h"
 #include "tree.h"