merge revision(s) r47217: [Backport ruby#10062]

	* ext/thread/thread.c (get_array): check instance variables are
	  initialized properly.  [ruby-core:63826][Bug ruby#10062]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47378 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nagachika

ChangeLog

@@ -1,3 +1,8 @@
+Thu Sep  4 00:31:23 2014  Nobuyoshi Nakada  <[email protected]>
+
+	* ext/thread/thread.c (get_array): check instance variables are
+	  initialized properly.  [ruby-core:63826][Bug #10062]
+
 Thu Sep  4 00:29:10 2014  Nobuyoshi Nakada  <[email protected]>
 
 	* io.c (rb_io_initialize): [DOC] fix rdoc of append mode.  it does

ext/thread/thread.c

@@ -11,14 +11,24 @@ enum {
     SZQUEUE_MAX     = 3
 };
 
-#define GET_CONDVAR_WAITERS(cv) RSTRUCT_GET((cv), CONDVAR_WAITERS)
+#define GET_CONDVAR_WAITERS(cv) get_array((cv), CONDVAR_WAITERS)
 
-#define GET_QUEUE_QUE(q)        RSTRUCT_GET((q), QUEUE_QUE)
-#define GET_QUEUE_WAITERS(q)    RSTRUCT_GET((q), QUEUE_WAITERS)
-#define GET_SZQUEUE_WAITERS(q)  RSTRUCT_GET((q), SZQUEUE_WAITERS)
+#define GET_QUEUE_QUE(q)        get_array((q), QUEUE_QUE)
+#define GET_QUEUE_WAITERS(q)    get_array((q), QUEUE_WAITERS)
+#define GET_SZQUEUE_WAITERS(q)  get_array((q), SZQUEUE_WAITERS)
 #define GET_SZQUEUE_MAX(q)      RSTRUCT_GET((q), SZQUEUE_MAX)
 #define GET_SZQUEUE_ULONGMAX(q) NUM2ULONG(GET_SZQUEUE_MAX(q))
 
+static VALUE
+get_array(VALUE obj, int idx)
+{
+    VALUE ary = RSTRUCT_GET(obj, idx);
+    if (!RB_TYPE_P(ary, T_ARRAY)) {
+	rb_raise(rb_eTypeError, "%+"PRIsVALUE" not initialized", obj);
+    }
+    return ary;
+}
+
 static VALUE
 ary_buf_new(void)
 {

test/thread/test_cv.rb

@@ -4,6 +4,12 @@
 require_relative '../ruby/envutil'
 
 class TestConditionVariable < Test::Unit::TestCase
+  def test_initialized
+    assert_raise(TypeError) {
+      ConditionVariable.allocate.wait(nil)
+    }
+  end
+
   def test_condvar_signal_and_wait
     mutex = Mutex.new
     condvar = ConditionVariable.new

test/thread/test_queue.rb

@@ -5,6 +5,18 @@
 require_relative '../ruby/envutil'
 
 class TestQueue < Test::Unit::TestCase
+  def test_queue_initialized
+    assert_raise(TypeError) {
+      Queue.allocate.push(nil)
+    }
+  end
+
+  def test_sized_queue_initialized
+    assert_raise(TypeError) {
+      SizedQueue.allocate.push(nil)
+    }
+  end
+
   def test_queue
     grind(5, 1000, 15, Queue)
   end

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.2"
 #define RUBY_RELEASE_DATE "2014-09-04"
-#define RUBY_PATCHLEVEL 221
+#define RUBY_PATCHLEVEL 222
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 9