* eval.c (rb_thread_schedule): current thread may be dead when

  deadlock.  (ruby-bugs:PR#588)


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index bd86870d8..bfd026712 100644
--- a/eval.c
+++ b/eval.c
@@ -8230,7 +8230,9 @@ rb_thread_schedule()
 	next = main_thread;
 	rb_thread_ready(next);
 	next->status = THREAD_TO_KILL;
-	rb_thread_save_context(curr_thread);
+	if (!rb_thread_dead(curr_thread)) {
+	    rb_thread_save_context(curr_thread);
+	}
 	rb_thread_deadlock();
     }
     next->wait_for = 0;