1/*
2 * qca_safeobj.h - Qt Cryptographic Architecture
3 * Copyright (C) 2008 Justin Karneges <justin@affinix.com>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22#include "qca_safeobj.h"
23
24namespace QCA {
25
26// This function performs the following steps:
27// obj->disconnect(owner); // to prevent future signals to owner
28// obj->setParent(0); // to prevent delete if parent is deleted
29// obj->deleteLater(); // now we can forget about the object
30inline void releaseAndDeleteLater(QObject *owner, QObject *obj)
31{
32 obj->disconnect(receiver: owner);
33 obj->setParent(nullptr);
34 obj->deleteLater();
35}
36
37SafeSocketNotifier::SafeSocketNotifier(qintptr socket, QSocketNotifier::Type type, QObject *parent)
38 : QObject(parent)
39{
40 sn = new QSocketNotifier(socket, type, this);
41 connect(sender: sn, signal: &QSocketNotifier::activated, context: this, slot: &SafeSocketNotifier::activated);
42}
43
44SafeSocketNotifier::~SafeSocketNotifier()
45{
46 sn->setEnabled(false);
47 releaseAndDeleteLater(owner: this, obj: sn);
48}
49
50}
51

source code of qca/src/qca_safeobj.cpp