From 646c53895f80358d153d04f04b726d0d14388cf2 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 9 Sep 2016 08:59:48 +0000
Subject: thread.c: set cause by Thread#raise

* thread.c (rb_threadptr_raise): set cause from the called thread,
  but not from the thread to be interrupted.
  [ruby-core:77222] [Bug #12741]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56125 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 6404bd27d7..46077f6ea4 100644
--- a/thread.c
+++ b/thread.c
@@ -2084,6 +2084,8 @@ rb_threadptr_ready(rb_thread_t *th)
     rb_threadptr_interrupt(th);
 }
 
+void rb_threadptr_setup_exception(rb_thread_t *th, VALUE mesg, VALUE cause);
+
 static VALUE
 rb_threadptr_raise(rb_thread_t *th, int argc, VALUE *argv)
 {
@@ -2099,6 +2101,7 @@ rb_threadptr_raise(rb_thread_t *th, int argc, VALUE *argv)
     else {
 	exc = rb_make_exception(argc, argv);
     }
+    rb_threadptr_setup_exception(GET_THREAD(), exc, Qundef);
     rb_threadptr_pending_interrupt_enque(th, exc);
     rb_threadptr_interrupt(th);
     return Qnil;
-- 
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