From 9883632d6ad6dec664047df38f8098ef46963bb0 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 10 May 2014 04:32:22 +0000
Subject: thread.c: stop if forked in a sub-thread

* thread.c (thread_start_func_2): stop if forked in a sub-thread,
  the thread has become the main thread.
  [ruby-core:62070] [Bug #9751]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45899 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'thread.c')

diff --git a/thread.c b/thread.c
index dfa91a827b..61cf3a1a03 100644
--- a/thread.c
+++ b/thread.c
@@ -569,6 +569,9 @@ thread_start_func_2(rb_thread_t *th, VALUE *stack_start, VALUE *register_stack_s
 	thread_debug("thread end: %p\n", (void *)th);
 
 	main_th = th->vm->main_thread;
+	if (main_th == th) {
+	    ruby_stop(0);
+	}
 	if (RB_TYPE_P(errinfo, T_OBJECT)) {
 	    /* treat with normal error object */
 	    rb_threadptr_raise(main_th, 1, &errinfo);
-- 
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