src/systemc/tests/systemc/kernel/sc_event/test10/test10.cpp

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  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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/*****************************************************************************

  test10.cpp -- 

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

 *****************************************************************************/

/*****************************************************************************

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

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// test of wait() for dynamic sensitivity

#include "systemc.h"

SC_MODULE( mod_a )
{
    sc_event e1;
    sc_event e2;
    sc_event e3;
    sc_event e_ack;

    void write( const char* msg )
    {
        cout << sc_delta_count() << ":" << sc_time_stamp()
             << " " << msg << "\n";
    }

    void sender()
    {
        // wait one delta cycle
        wait( SC_ZERO_TIME );

        while( true ) {
            e1.notify();
            e2.notify( SC_ZERO_TIME );
            e3.notify( 2, SC_NS );
            timed_out() ? write( "sender - timed out" )
                        : write( "sender" );
            wait( 3, SC_NS, e_ack );
            e2.cancel();
            e3.cancel();
        }
    }

    void receiver()
    {
        sc_time t1( 1, SC_NS );

        while( true ) {

            // test wait(e)
            cout << "*** wait(e)\n";

            wait( e1 );
            write( "receiver - e1" );
            e_ack.notify();
            wait( e2 );
            write( "receiver - e2" );
            e_ack.notify();
            wait( e3 );
            write( "receiver - e3" );
            e_ack.notify();

            // test wait(or_list)
            cout << "*** wait(or_list)\n";

            wait( e1 | e1 | e1 );
            write( "receiver - e1 | e1 | e1" );
            e_ack.notify();
            wait( e2 | e2 | e2 );
            write( "receiver - e2 | e2 | e2" );
            e_ack.notify();
            wait( e3 | e3 | e3 );
            write( "receiver - e3 | e3 | e3" );
            e_ack.notify();
            wait( e1 | e2 | e3 );
            write( "receiver - e1 | e2 | e3" );
            e_ack.notify();
            wait( e3 | e2 | e1 );
            write( "receiver - e3 | e2 | e1" );
            e_ack.notify();

            // test wait(and_list)
            cout << "*** wait(and_list)\n";

            wait( e1 & e1 & e1 );
            write( "receiver - e1 & e1 & e1" );
            e_ack.notify();
            wait( e2 & e2 & e2 );
            write( "receiver - e2 & e2 & e2" );
            e_ack.notify();
            wait( e3 & e3 & e3 );
            write( "receiver - e3 & e3 & e3" );
            e_ack.notify();
            wait( e1 & e2 & e3 );
            write( "receiver - e1 & e2 & e3" );
            e_ack.notify();
            wait( e3 & e2 & e1 );
            write( "receiver - e3 & e2 & e1" );

            // test wait(t)
            cout << "*** wait(t)\n";

            wait( 0, SC_NS );
            write( "receiver - 0 ns" );
            wait( 1, SC_NS );
            write( "receiver - 1 ns" );

            e_ack.notify();

            // test wait(t,e)
            cout << "*** wait(t,e)\n";

            wait( 1, SC_NS, e1 );
            timed_out() ? write( "receiver - 1 ns | e1 - timed out" )
                        : write( "receiver - 1 ns | e1" );
            e_ack.notify();
            wait( t1, e2 );
            timed_out() ? write( "receiver - 1 ns | e2 - timed out" )
                        : write( "receiver - 1 ns | e2" );
            e_ack.notify();
            wait( 1, SC_NS, e3 );
            timed_out() ? write( "receiver - 1 ns | e3 - timed out" )
                        : write( "receiver - 1 ns | e3" );
            e_ack.notify();

            // test wait(t,or_list)
            cout << "*** wait(t,or_list)\n";

            wait( t1, e1 | e2 | e3 );
            timed_out() ? write( "receiver - 1 ns | e1 | e2 | e3 - timed out" )
                        : write( "receiver - 1 ns | e1 | e2 | e3" );
            e_ack.notify();

            // test wait(t,and_list)
            cout << "*** wait(t,and_list)\n";

            wait( t1, e1 & e2 & e3 );
            timed_out() ? write( "receiver - 1 ns | e1 & e2 & e3 - timed out" )
                        : write( "receiver - 1 ns | e1 & e2 & e3" );

            sc_stop();
            write( "receiver - stop" );
            wait( SC_ZERO_TIME );
        }
    }

    SC_CTOR( mod_a )
    {
        SC_THREAD( sender );
        SC_THREAD( receiver );
    }
};

int
sc_main( int, char*[] )
{
    mod_a a( "a" );

    sc_start();

    return 0;
}