Interrupt.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2012 Sandro Santilli <strk@kbt.io>
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
 
namespace geos {
namespace util { // geos::util
 
class GEOS_DLL Interrupt {
 
public:
 
    typedef void (Callback)(void);
 
    static void request();
 
    static void cancel();
 
    static bool check();
 
    static Callback* registerCallback(Callback* cb);
 
    static void process();
 
    /* Perform the actual interruption (simply throw an exception) */
    static void interrupt();
 
};
 
class GEOS_DLL CurrentThreadInterrupt {
public:
    typedef int (ThreadCallback)(void*);
 
    static ThreadCallback* registerCallback(ThreadCallback* cb, void* data);
 
    static void process();
 
    static void interrupt();
};
 
 
} // namespace geos::util
} // namespace geos
 
 
inline void GEOS_CHECK_FOR_INTERRUPTS() { geos::util::Interrupt::process(); geos::util::CurrentThreadInterrupt::process(); }