From 4724bf856f30e8cc56795c0dc23b96e7ae68e874 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Sun, 3 Jan 2021 00:05:00 -0800
Subject: Avoid hanging on --jit-wait after MJIT.pause

When a worker is stopped, nobody will JIT a method for you.
---
 mjit.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'mjit.c')

diff --git a/mjit.c b/mjit.c
index b98f742068..4dad74641b 100644
--- a/mjit.c
+++ b/mjit.c
@@ -328,6 +328,9 @@ mjit_wait(struct rb_iseq_constant_body *body)
 VALUE
 rb_mjit_wait_call(rb_execution_context_t *ec, struct rb_iseq_constant_body *body)
 {
+    if (worker_stopped)
+        return Qundef;
+
     mjit_wait(body);
     if ((uintptr_t)body->jit_func <= (uintptr_t)LAST_JIT_ISEQ_FUNC) {
         return Qundef;
-- 
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