* Use ChunkHandle instead of ChunkListNode*, this will include write

reference counter.

* Get errno message when chunks can't be allocated.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@556 e378c898-3ddf-0310-93e7-cc216c733640

rak/error_number.h

@@ -56,6 +56,7 @@ public:
   bool                is_closed() const            { return m_errno == ECONNRESET || m_errno == ECONNABORTED; }
 
   static error_number current()                    { return errno; }
+  static void         clear_global()               { errno = 0; }
 
 private:
   int                 m_errno;