BUG/MEDIUM: lua: undetected infinite loop

If the Lua code causes an infinite loop without yield possible, the
clock is not updated. This patch check the clock when the Lua control
code cannot yield.

diff --git a/src/hlua.c b/src/hlua.c
index c76eb1ea72c68f84aa56671be74f05ffdf02ce82..7e416f20c1dd90fc947d0962e9fbff9401c52ad7 100644 (file)
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -856,7 +856,8 @@ void hlua_hook(lua_State *L, lua_Debug *ar)
        if (lua_isyieldable(L))
                WILL_LJMP(hlua_yieldk(L, 0, 0, NULL, TICK_ETERNITY, HLUA_CTRLYIELD));
 
-       /* If we cannot yield, check the timeout. */
+       /* If we cannot yield, update the clock and check the timeout. */
+       tv_update_date(0, 1);
        if (tick_is_expired(hlua->expire, now_ms)) {
                lua_pushfstring(L, "execution timeout");
                WILL_LJMP(lua_error(L));