From afc811cc1cc166cad28e2516a4f7862a2e3202fe Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Fri, 18 May 2018 16:59:37 +0200
Subject: [PATCH] src: break out of timers loop if `!can_call_into_js()`
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Otherwise, this turns into an infinite loop when the flag
is set, because it makes `MakeCallback()` return immediately.

Backport-PR-URL: https://github.com/nodejs/node/pull/21168
PR-URL: https://github.com/nodejs/node/pull/20884
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
---
 src/timer_wrap.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/timer_wrap.cc b/src/timer_wrap.cc
index 88377a3e1b88cc..50541acc9b8a0d 100644
--- a/src/timer_wrap.cc
+++ b/src/timer_wrap.cc
@@ -148,6 +148,7 @@ class TimerWrap : public HandleWrap {
                 .ToLocalChecked();
     } while (ret->IsUndefined() &&
              !env->tick_info()->has_thrown() &&
+             env->can_call_into_js() &&
              wrap->object()->Get(env->context(),
                                  env->owner_string()).ToLocalChecked()
                                                      ->IsUndefined());