From 624f397db5f9008396cc164af153e6f805af660e Mon Sep 17 00:00:00 2001
From: Bob Halley <source@isc.org>
Date: Wed, 5 May 1999 22:57:02 +0000
Subject: [PATCH] add DNS eventclass

---
 lib/isc/include/isc/event.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/isc/include/isc/event.h b/lib/isc/include/isc/event.h
index 6da221a206..dc58965b59 100644
--- a/lib/isc/include/isc/event.h
+++ b/lib/isc/include/isc/event.h
@@ -36,10 +36,15 @@ ISC_LANG_BEGINDECLS
 
 #define ISC_EVENTCLASS(eclass)		((eclass) << 16)
 
+/*
+ * Classes < 1024 are reserved for ISC use.
+ */
+
 #define	ISC_EVENTCLASS_TASK		ISC_EVENTCLASS(0)
 #define	ISC_EVENTCLASS_TIMER		ISC_EVENTCLASS(1)
 #define	ISC_EVENTCLASS_SOCKET		ISC_EVENTCLASS(2)
 #define	ISC_EVENTCLASS_FILE		ISC_EVENTCLASS(3)
+#define	ISC_EVENTCLASS_DNS		ISC_EVENTCLASS(4)
 
 /*
  * Event classes >= 1024 and <= 32767 are reserved for application use.