From e7eea585fbd337d7c063c4b12b6957f68a3cf5a0 Mon Sep 17 00:00:00 2001
From: Konstantin Osipov <kostja@tarantool.org>
Date: Fri, 6 Dec 2013 23:47:23 +0400
Subject: [PATCH] gh-26: minor optimization of session destructor
The patch should use struct session, which is non-existent
in 1.5, so at least make session_storage_destroy a bit faster.
---
src/lua/session.cc | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/src/lua/session.cc b/src/lua/session.cc
index 45a97ba6b7..05a21ce4ba 100644
--- a/src/lua/session.cc
+++ b/src/lua/session.cc
@@ -179,21 +179,21 @@ lbox_session_on_disconnect(struct lua_State *L)
void
session_storage_cleanup(int sid)
{
- int top = lua_gettop(root_L);
- lua_pushliteral(root_L, "box");
- lua_rawget(root_L, LUA_GLOBALSINDEX);
-
- lua_pushliteral(root_L, "session");
- lua_rawget(root_L, -2);
+ static int ref = LUA_REFNIL;
- lua_getmetatable(root_L, -1);
+ int top = lua_gettop(root_L);
- lua_pushliteral(root_L, "aggregate_storage");
- lua_rawget(root_L, -2);
+ if (ref == LUA_REFNIL) {
+ lua_getfield(root_L, LUA_GLOBALSINDEX, "box");
+ lua_getfield(root_L, -1, "session");
+ lua_getmetatable(root_L, -1);
+ lua_getfield(root_L, -1, "aggregate_storage");
+ ref = luaL_ref(root_L, LUA_REGISTRYINDEX);
+ }
+ lua_rawgeti(root_L, LUA_REGISTRYINDEX, ref);
lua_pushnil(root_L);
lua_rawseti(root_L, -2, sid);
-
lua_settop(root_L, top);
}
--
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