lib-during/async-event-queue.h

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/********************************************************************
 * Copyright (C) 2012 by Verimag                                    *
 * Initial author: Matthieu Moy                                     *
 * This file must not be distributed outside Verimag                *
 ********************************************************************/

#ifndef ASYNC_EVENT_QUEUE_H
#define ASYNC_EVENT_QUEUE_H

#include <systemc>
#include "thread-queue.h"

class async_event_queue : public sc_core::sc_prim_channel {
public:
        /*
         * Can be called from outside SystemC. Programs event e to be
         * notified during the next update phase.
         */
        void async_notify_event(sc_core::sc_event &e) {
                m_event_queue.push(&e);
                async_request_update();
        }

private:
        void update() {
                sc_core::sc_event *e = NULL; // disable warning on g++ 4.1
                while (m_event_queue.try_pop_front(e)) {
                        e->notify(sc_core::SC_ZERO_TIME);
                }
        }
        thread_queue<sc_core::sc_event *> m_event_queue;
};

#endif // ASYNC_EVENT_QUEUE_H