From 5d09be48325cd17adff8b21dbff5a232bec89d84 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Fri, 13 Jun 2008 13:59:00 -0300
Subject: [PATCH] by default, 'os.exit' closes current state

---
 loslib.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/loslib.c b/loslib.c
index c1687226..643fa9c1 100644
--- a/loslib.c
+++ b/loslib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: loslib.c,v 1.22 2007/09/14 13:26:28 roberto Exp roberto $
+** $Id: loslib.c,v 1.23 2008/01/18 15:37:10 roberto Exp roberto $
 ** Standard Operating System library
 ** See Copyright Notice in lua.h
 */
@@ -224,9 +224,13 @@ static int os_setlocale (lua_State *L) {
 
 
 static int os_exit (lua_State *L) {
-  exit(luaL_optint(L, 1, EXIT_SUCCESS));
+  int status = luaL_optint(L, 1, EXIT_SUCCESS);
+  if (!lua_toboolean(L, 2))
+    lua_close(L);
+  exit(status);
 }
 
+
 static const luaL_Reg syslib[] = {
   {"clock",     os_clock},
   {"date",      os_date},