https://git.ruby-lang.org/ruby.git/commit/?id=5c2c396685

From 5c2c3966851ed074eb468ad36d8d75e53b8eab6c Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@j...>
Date: Sun, 25 Aug 2019 12:09:19 -0700
Subject: Check interrupts before starting thread

Fixes a hang when Thread.new calls Thread.new in a loop.

Fixes [Bug #13688]

diff --git a/thread.c b/thread.c
index 9bc2a18..d1bf612 100644
--- a/thread.c
+++ b/thread.c
@@ -693,6 +693,7 @@ thread_do_start(rb_thread_t *th) https://github.com/ruby/ruby/blob/trunk/thread.c#L693
         }
 
         rb_adjust_argv_kw_splat(&args_len, &args_ptr, &kw_splat);
+        vm_check_ints_blocking(th->ec);
         th->value = rb_vm_invoke_proc(th->ec, proc,
                                       args_len, args_ptr,
                                       kw_splat, VM_BLOCK_HANDLER_NONE);
-- 
cgit v0.10.2


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