thread.c: undumpable

* ext/thread/thread.c (undumpable): ConditionVariable and Queue
  are not dumpable.  [ruby-core:61677] [Bug #9674]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45423 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Mar 26 11:20:24 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/thread/thread.c (undumpable): ConditionVariable and Queue
+	  are not dumpable.  [ruby-core:61677] [Bug #9674]
+
 Wed Mar 26 10:36:39 2014  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* addr2line.c (follow_debuglink): show message if it closes opened

ext/thread/thread.c

@@ -534,6 +534,13 @@ rb_szqueue_num_waiting(VALUE self)
 #define UNDER_THREAD 1
 #endif
 
+static VALUE
+undumpable(VALUE obj)
+{
+    rb_raise(rb_eTypeError, "can't dump %"PRIsVALUE, rb_obj_class(obj));
+    UNREACHABLE;
+}
+
 void
 Init_thread(void)
 {
@@ -573,12 +580,14 @@ Init_thread(void)
 
     rb_define_method(rb_cConditionVariable, "initialize", rb_condvar_initialize, 0);
     rb_undef_method(rb_cConditionVariable, "initialize_copy");
+    rb_define_method(rb_cConditionVariable, "marshal_dump", undumpable, 0);
     rb_define_method(rb_cConditionVariable, "wait", rb_condvar_wait, -1);
     rb_define_method(rb_cConditionVariable, "signal", rb_condvar_signal, 0);
     rb_define_method(rb_cConditionVariable, "broadcast", rb_condvar_broadcast, 0);
 
     rb_define_method(rb_cQueue, "initialize", rb_queue_initialize, 0);
     rb_undef_method(rb_cQueue, "initialize_copy");
+    rb_define_method(rb_cQueue, "marshal_dump", undumpable, 0);
     rb_define_method(rb_cQueue, "push", rb_queue_push, 1);
     rb_define_method(rb_cQueue, "pop", rb_queue_pop, -1);
     rb_define_method(rb_cQueue, "empty?", rb_queue_empty_p, 0);

test/thread/test_cv.rb

@@ -196,4 +196,12 @@ INPUT
       condvar.dup
     end
   end
+
+  def test_dump
+    bug9674 = '[ruby-core:61677] [Bug #9674]'
+    condvar = ConditionVariable.new
+    assert_raise_with_message(TypeError, /#{ConditionVariable}/, bug9674) do
+      Marshal.dump(condvar)
+    end
+  end
 end

test/thread/test_queue.rb

@@ -215,4 +215,17 @@ class TestQueue < Test::Unit::TestCase
       q.dup
     end
   end
+
+  def test_dump
+    bug9674 = '[ruby-core:61677] [Bug #9674]'
+    q = Queue.new
+    assert_raise_with_message(TypeError, /#{Queue}/, bug9674) do
+      Marshal.dump(q)
+    end
+
+    sq = SizedQueue.new(1)
+    assert_raise_with_message(TypeError, /#{SizedQueue}/, bug9674) do
+      Marshal.dump(sq)
+    end
+  end
 end