X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2FSystem%2FSystem.Net%2FResponseStream.cs;h=860509b9aceaa2776fb0bb105699e7a0d6fa528e;hb=d24e0ade72ec565b767b1f45abaf1f2001b99d11;hp=31a0e66faa8e45cb0f98ed5f9685419d3e2eebfe;hpb=4e5e61cf501ef587ec36aaf80d04d734ca0efaca;p=mono.git

diff --git a/mcs/class/System/System.Net/ResponseStream.cs b/mcs/class/System/System.Net/ResponseStream.cs
index 31a0e66faa8..860509b9ace 100644
--- a/mcs/class/System/System.Net/ResponseStream.cs
+++ b/mcs/class/System/System.Net/ResponseStream.cs
@@ -26,7 +26,7 @@
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
-#if NET_2_0 && SECURITY_DEP
+#if SECURITY_DEP
 
 using System.IO;
 using System.Net.Sockets;
@@ -101,11 +101,14 @@ namespace System.Net {
 
 		MemoryStream GetHeaders (bool closing)
 		{
-			if (response.HeadersSent)
-				return null;
-			MemoryStream ms = new MemoryStream ();
-			response.SendHeaders (closing, ms);
-			return ms;
+			// SendHeaders works on shared headers
+			lock (response.headers_lock) {
+				if (response.HeadersSent)
+					return null;
+				MemoryStream ms = new MemoryStream ();
+				response.SendHeaders (closing, ms);
+				return ms;
+			}
 		}
 
 		public override void Flush ()