MINOR: httpclient/lua: implement garbage collection

Implement the garbage collector of the lua httpclient.

This patch declares the __gc method of the httpclient object which only
does a httpclient_stop_and_destroy().

diff --git a/src/hlua.c b/src/hlua.c
index baf503b970cec5f4f28c3cd9568b555ddf5d3733..5bb0535320aaa0bcdd89e7bcdab9f6230b83ae02 100644 (file)
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -6906,6 +6906,25 @@ __LJMP static struct hlua_httpclient *hlua_checkhttpclient(lua_State *L, int ud)
        return MAY_LJMP(hlua_checkudata(L, ud, class_httpclient_ref));
 }
 
+
+/* stops the httpclient and ask it to kill itself */
+__LJMP static int hlua_httpclient_gc(lua_State *L)
+{
+       struct hlua_httpclient *hlua_hc;
+
+       MAY_LJMP(check_args(L, 1, "__gc"));
+
+       hlua_hc = MAY_LJMP(hlua_checkhttpclient(L, 1));
+
+       httpclient_stop_and_destroy(hlua_hc->hc);
+
+       hlua_hc->hc = NULL;
+
+
+       return 0;
+}
+
+
 __LJMP static int hlua_httpclient_new(lua_State *L)
 {
        struct hlua_httpclient *hlua_hc;
@@ -11759,6 +11778,11 @@ lua_State *hlua_init_state(int thread_num)
        lua_newtable(L);
        hlua_class_function(L, "get",         hlua_httpclient_get);
        lua_settable(L, -3); /* Sets the __index entry. */
+       /* Register the garbage collector entry. */
+       lua_pushstring(L, "__gc");
+       lua_pushcclosure(L, hlua_httpclient_gc, 0);
+       lua_settable(L, -3); /* Push the last 2 entries in the table at index -3 */
+
 
 
        class_httpclient_ref = hlua_register_metatable(L, CLASS_HTTPCLIENT);