https://git.ruby-lang.org/ruby.git/commit/?id=b416a76402

From b416a7640278fbcb82d0ac37c0b71cf6e0dc4a36 Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@a...>
Date: Wed, 16 Sep 2020 09:06:08 +0900
Subject: add debug log on enabling multi-ractor mode


diff --git a/ractor.c b/ractor.c
index 0ad1373..bccc88f 100644
--- a/ractor.c
+++ b/ractor.c
@@ -1224,6 +1224,7 @@ vm_insert_ractor(rb_vm_t *vm, rb_ractor_t *r) https://github.com/ruby/ruby/blob/trunk/ractor.c#L1224
         else {
             vm_ractor_blocking_cnt_inc(vm, r, __FILE__, __LINE__);
 
+            RUBY_DEBUG_LOG("ruby_multi_ractor=true", 0);
             // enable multi-ractor mode
             ruby_multi_ractor = true;
 
-- 
cgit v0.10.2


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