Index: Lib/threading.py
===================================================================
--- Lib/threading.py	(revision 27300)
+++ Lib/threading.py	(revision 29956)
@@ -741,10 +741,14 @@
 
 class _MainThread(Thread):
 
+ def waitForThreadsOnExit(self):
+ return True
+
 def __init__(self):
 Thread.__init__(self, name="MainThread")
 self._Thread__started.set()
 self._set_ident()
+ self.waitForThreadsOnExitFunc = self.waitForThreadsOnExit
 _active_limbo_lock.acquire()
 _active[_get_ident()] = self
 _active_limbo_lock.release()
@@ -754,15 +758,18 @@
 
 def _exitfunc(self):
 self._Thread__stop()
+
 t = _pickSomeNonDaemonThread()
 if t:
- if __debug__:
+ wait = self.waitForThreadsOnExitFunc()
+ if wait and __debug__:
 self._note("%s: waiting for other threads", self)
- while t:
+ while t and wait:
 t.join()
 t = _pickSomeNonDaemonThread()
 if __debug__:
 self._note("%s: exiting", self)
+ 
 self._Thread__delete()
 
 def _pickSomeNonDaemonThread():
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://bugs.python.org/file19626/real.patch">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://bugs.python.org/file19626/real.patch" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>