remove empty sigc++2 directory

git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 0 insertions, 57 deletions

diff --git a/libs/pbd/pbd/crossthread.h b/libs/pbd/pbd/crossthread.h
deleted file mode 100644
index b815cfd319..0000000000
--- a/libs/pbd/pbd/crossthread.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
-    Copyright (C) 2000-2007 Paul Davis 
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#ifndef __pbd__crossthread_h__
-#define __pbd__crossthread_h__
-
-#include <pbd/abstract_ui.h>
-#include <sigc++/sigc++.h>
-#include <pthread.h>
-
-template<class RequestType> 
-void 
-call_slot_from_thread_or_dispatch_it (pthread_t thread_id, AbstractUI<RequestType>& ui, sigc::slot<void> theSlot)
-{
-	/* when called, this function will determine whether the calling thread
-	   is the same as thread specified by the first argument. if it is,
-	   the we execute the slot. if not, we ask the interface given by the second
-	   argument to call the slot.
-	*/
-
-	if (pthread_self() == thread_id) {
-		theSlot ();
-	} else {
-		ui.call_slot (theSlot);
-	}
-}
-
-template<class RequestType> 
-sigc::slot<void>
-crossthread_safe (pthread_t thread_id, AbstractUI<RequestType>& ui, sigc::slot<void> theSlot)
-{
-	/* this function returns a slot that will ensure that theSlot is either
-	   called by the specified thread or passed to the interface via 
-	   AbstractUI::call_slot().
-	*/
-	   
-	return sigc::bind (sigc::ptr_fun (call_slot_from_thread_or_dispatch_it<RequestType>), 
-			   thread_id, ui, theSlot);
-}
-
-#endif /* __pbd__crossthread_h__ */