lyx_mirror/boost/libs/signals/src/connection.cpp
Lars Gullik Bjønnes 9e27f631a7 update from Boost CVS
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4918 a592a061-630c-0410-9148-cb99ea01b6c8
2002-08-09 08:51:51 +00:00

54 lines
1.9 KiB
C++

// Boost.Signals library
//
// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
//
// Permission to copy, use, sell and distribute this software is granted
// provided this copyright notice appears in all copies.
// Permission to modify the code and to distribute modified code is granted
// provided this copyright notice appears in all copies, and a notice
// that the code was modified is included with the copyright notice.
//
// This software is provided "as is" without express or implied warranty,
// and with no claim as to its suitability for any purpose.
// For more information, see http://www.boost.org
#include <boost/signals/connection.hpp>
#include <cassert>
namespace boost {
namespace BOOST_SIGNALS_NAMESPACE {
void connection::disconnect() const
{
if (this->connected()) {
// Make sure we have a reference to the basic_connection object,
// because 'this' may disappear
shared_ptr<detail::basic_connection> local_con = con;
void (*signal_disconnect)(void*, void*) = local_con->signal_disconnect;
// Note that this connection no longer exists
// Order is important here: we could get into an infinite loop if this
// isn't cleared before we try the disconnect.
local_con->signal_disconnect = 0;
// Disconnect signal
signal_disconnect(local_con->signal, local_con->signal_data);
// Disconnect all bound objects
typedef std::list<BOOST_SIGNALS_NAMESPACE::detail::bound_object>::iterator iterator;
for (iterator i = local_con->bound_objects.begin();
i != local_con->bound_objects.end(); ++i) {
assert(i->disconnect != 0);
i->disconnect(i->obj, i->data);
}
}
}
} // end namespace boost
} // end namespace boost
#ifndef BOOST_MSVC
// Explicit instantiations to keep everything in the library
template class std::list<boost::BOOST_SIGNALS_NAMESPACE::detail::bound_object>;
#endif