From 145f221e8f1f12809a54f0ed3168a930255feee3 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Tue, 5 Oct 2010 13:06:32 -0400
Subject: [PATCH] Define symbolic constants to use in place of SHUT_RD etc

---
 http.c          |  6 +++---
 util-internal.h | 17 +++++++++++++++++
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/http.c b/http.c
index 504e3e41..af1ff888 100644
--- a/http.c
+++ b/http.c
@@ -976,7 +976,7 @@ evhttp_connection_free(struct evhttp_connection *evcon)
 		bufferevent_free(evcon->bufev);
 
 	if (evcon->fd != -1) {
-		shutdown(evcon->fd, 1);
+		shutdown(evcon->fd, EVUTIL_SHUT_WR);
 		evutil_closesocket(evcon->fd);
 	}
 
@@ -1043,8 +1043,8 @@ evhttp_connection_reset(struct evhttp_connection *evcon)
 		/* inform interested parties about connection close */
 		if (evhttp_connected(evcon) && evcon->closecb != NULL)
 			(*evcon->closecb)(evcon, evcon->closecb_arg);
-		
-		shutdown(evcon->fd, 1);
+
+		shutdown(evcon->fd, EVUTIL_SHUT_WR);
 		evutil_closesocket(evcon->fd);
 		evcon->fd = -1;
 	}
diff --git a/util-internal.h b/util-internal.h
index e318ac9a..73cd8f8c 100644
--- a/util-internal.h
+++ b/util-internal.h
@@ -101,6 +101,23 @@ extern "C" {
 #define socklen_t _EVENT_socklen_t
 #endif
 
+/* Arguments for shutdown() */
+#ifdef SHUT_RD
+#define EVUTIL_SHUT_RD SHUT_RD
+#else
+#define EVUTIL_SHUT_RD 0
+#endif
+#ifdef SHUT_WR
+#define EVUTIL_SHUT_WR SHUT_WR
+#else
+#define EVUTIL_SHUT_WR 1
+#endif
+#ifdef SHUT_BOTH
+#define EVUTIL_SHUT_BOTH SHUT_BOTH
+#else
+#define EVUTIL_SHUT_BOTH 2
+#endif
+
 /* Locale-independent replacements for some ctypes functions.  Use these
  * when you care about ASCII's notion of character types, because you are about
  * to send those types onto the wire.