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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/libs/signals/src/slot.cpp | |
| download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/libs/signals/src/slot.cpp')
| -rw-r--r-- | 3rdParty/Boost/libs/signals/src/slot.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/3rdParty/Boost/libs/signals/src/slot.cpp b/3rdParty/Boost/libs/signals/src/slot.cpp new file mode 100644 index 0000000..7c296d6 --- /dev/null +++ b/3rdParty/Boost/libs/signals/src/slot.cpp @@ -0,0 +1,71 @@ +// Boost.Signals library + +// Copyright Douglas Gregor 2001-2004. Use, modification and +// distribution is subject to the Boost Software License, Version +// 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +// For more information, see http://www.boost.org + +#define BOOST_SIGNALS_SOURCE + +#include <boost/signals/slot.hpp> + +namespace boost { + namespace BOOST_SIGNALS_NAMESPACE { + namespace detail { + void slot_base::create_connection() + { + // Create a new connection object + basic_connection* con = new basic_connection(); + + /* nothrow */ { + // The signal portion isn't really necessary, except that we need a + // signal for the connection to be connected. + con->signal = static_cast<void*>(this); + con->signal_data = 0; + con->blocked_ = false ; + con->signal_disconnect = &bound_object_destructed; + } + + // This connection watches for destruction of bound objects. Note + // that the reset routine will delete con if an allocation throws + data->watch_bound_objects.reset(con); + + // We create a scoped connection, so that exceptions thrown while + // adding bound objects will cause a cleanup of the bound objects + // already connected. + scoped_connection safe_connection(data->watch_bound_objects); + + // Now notify each of the bound objects that they are connected to this + // slot. + for(std::vector<const trackable*>::iterator i = + data->bound_objects.begin(); + i != data->bound_objects.end(); ++i) { + // Notify the object that the slot is connecting to it + BOOST_SIGNALS_NAMESPACE::detail::bound_object binding; + (*i)->signal_connected(data->watch_bound_objects, binding); + + // This will notify the bound object that the connection just made + // should be disconnected if an exception is thrown before the + // end of this iteration + BOOST_SIGNALS_NAMESPACE::detail::auto_disconnect_bound_object + disconnector(binding); + + // Add the binding to the list of bindings for the connection + con->bound_objects.push_back(binding); + + // The connection object now knows about the bound object, so if an + // exception is thrown later the connection object will notify the + // bound object of the disconnection automatically + disconnector.release(); + } + + // No exceptions will be thrown past this point. + safe_connection.release(); + + data->watch_bound_objects.set_controlling(true); + } + } // end namespace detail + } // end namespace BOOST_SIGNALS_NAMESPACE +} // end namespace boost |