/usr/include/sigx-2.0/sigx/validity_trackable.h is in libsigx-2.0-dev 2.0.2-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | #ifndef _SIGX_VALIDITY_TRACKABLE_HPP_
#define _SIGX_VALIDITY_TRACKABLE_HPP_
/*
* Copyright 2008 Klaus Triendl
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <list>
#include <vector>
#include <glib/gtypes.h> // gint
#include <sigx/fwddecl.h>
#include <sigx/operator_new.h>
#include <sigx/shared_dispatchable.h>
#include <sigx/connection_wrapper.h>
namespace sigx
{
namespace internal
{
/** @short Lynchpin to track the validity of a tunnel functor and storing
* information about who needs to be notified about dying dispatchers
* and tunnel functors.
*/
struct validity_trackable: public operator_new
{
validity_trackable(const shared_dispatchable& _A_disp);
gint m_refcount;
// track the reference count from tunnel functors
// (functionality wrapped in tunnel_validity_tracker)
// in a separate variable to be able to track those
// validity_trackables that don't have a purpose anymore
gint m_tunnel_refcount;
bool m_valid;
/// A connection_wrapper to a signal
std::list<connection_wrapper> m_connections;
/// The dispatchable guarding the tunnel callback.
/// It has us registered
shared_dispatchable m_disp;
std::vector<const sigc::trackable*> m_trackables;
/// this variable holds the address of the dispatcher
/// with which the tunnel functor was originally created;
/// this allows to track a change of the dispatcher;
/// a change might happen if a thread ends and the threadable
/// resets its dispatcher,
/// but the threadable starts again and sets up another dispatcher.
/// This situation is fine for request functors because they
/// only need a valid dispatcher; however, this situation is a problem
/// for tunnel functors connected in a server thread because for them
/// resetting the dispatcher means that they will get disconnected
/// from the server thread's signal.
//const dispatcher_ptr m_original_dispatcher;
gint m_dispatcher_change_is_cleanup;
void* m_creator_thread;
};
} // namespace internal
} // namespace sigx
#endif // _SIGX_VALIDITY_TRACKABLE_HPP_
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