qwssignalhandler_p.h

来自「QT 开发环境里面一个很重要的文件」· C头文件 代码 · 共 60 行

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
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#ifndef QWSSIGNALHANDLER_P_H
#define QWSSIGNALHANDLER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include <QtCore/qmap.h>
#include <QtCore/qvector.h>
#include <signal.h>

class QWSSignalHandler
{
public:
    Q_GLOBAL_STATIC(QWSSignalHandler, instance);

    ~QWSSignalHandler();

    inline void addSemaphore(int semno) { semaphores.append(semno); }
    void removeSemaphore(int semno);

private:
    QWSSignalHandler();
    static void handleSignal(int signal);
    QMap<int, sighandler_t> oldHandlers;
    QVector<int> semaphores;
};

#endif // QWSSIGNALHANDLER_P_H