From e5e73c2efe2057660854c78d596afa50004815aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=91=E9=A3=8E?= <cloudwu@gmail.com>
Date: Wed, 18 Sep 2013 16:42:23 +0800
Subject: [PATCH] return 0 when send to an invalid address

---
 lualib-src/lua-skynet.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lualib-src/lua-skynet.c b/lualib-src/lua-skynet.c
index 8e1631ab..de4c6421 100644
--- a/lualib-src/lua-skynet.c
+++ b/lualib-src/lua-skynet.c
@@ -302,7 +302,8 @@ _send(lua_State *L) {
 	}
 	if (session < 0) {
 		// send to invalid address
-		return 0;
+		// todo: maybe throw error is better
+		session = 0;
 	}
 	lua_pushinteger(L,session);
 	return 1;