gecko-dev/ipc/dbus/DBusConnectionDelete.h

43 строки
1.1 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_ipc_DBusConnectionDelete_h
#define mozilla_ipc_DBusConnectionDelete_h
#include <dbus/dbus.h>
#include "mozilla/UniquePtr.h"
namespace mozilla {
/*
* |DBusConnectionDelete| is a deleter for managing instances
* of |DBusConnection| in |UniquePtr|. Upon destruction, it
* will close an open connection before unref'ing the data
* structure.
*
* Do not use |UniquePtr| with shared DBus connections. For
* shared connections, use |RefPtr|.
*/
class DBusConnectionDelete
{
public:
constexpr DBusConnectionDelete()
{ }
void operator()(DBusConnection* aConnection) const
{
MOZ_ASSERT(aConnection);
if (dbus_connection_get_is_connected(aConnection)) {
dbus_connection_close(aConnection);
}
dbus_connection_unref(aConnection);
}
};
} // namespace mozilla
#endif // mozilla_ipc_DBusConnectionDelete_h