* Added 'close_untied' option.

* Remove redundant BitField::update calls now that updating
Bitfield::m_set gets handled properly in hash_resume_load.

* Fixed the error message when trying to lock non-existant session
directories.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@687 e378c898-3ddf-0310-93e7-cc216c733640

rak/error_number.h

@@ -49,6 +49,10 @@ public:
   static const int e_connreset   = ECONNRESET;
   static const int e_connaborted = ECONNABORTED;
   static const int e_deadlk      = EDEADLK;
+
+  static const int e_noent       = ENOENT;
+  static const int e_notdir      = ENOTDIR;
+  
   static const int e_intr        = EINTR;
 
   error_number() : m_errno(0) {}
@@ -64,6 +68,8 @@ public:
 
   bool                is_closed() const            { return m_errno == e_connreset || m_errno == e_connaborted; }
 
+  bool                is_bad_path() const          { return m_errno == e_noent || m_errno == e_notdir || m_errno == e_access; }
+
   static error_number current()                    { return errno; }
   static void         clear_global()               { errno = 0; }