xref: /gem5/src/systemc/tests/systemc/kernel/dynamic_processes/test10/test10.cpp

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

  test10.cpp -- Testing proper process execution order for SC_METHOD murderer.

  Original Author: Andy Goodrich

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

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

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

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/
// $Log: test10.cpp,v $
// Revision 1.2  2011/02/01 20:00:37  acg
//  Andy Goodrich: better messaging for output.
//
// Revision 1.1  2011/02/01 17:16:48  acg
//  Andy Goodrich: first check-in.
//

#define SC_INCLUDE_DYNAMIC_PROCESSES
#include "systemc.h"

SC_MODULE(DUT)
{
    SC_CTOR(DUT)
    {
	SC_METHOD(killer);
        sensitive << m_clk.pos();
        SC_CTHREAD(stimulus,m_clk.pos());
        SC_THREAD(thread0);
        sensitive << m_clk.pos();
        m_thread0 = sc_get_current_process_handle();
        SC_THREAD(thread1);
        sensitive << m_clk.pos();
        m_thread1 = sc_get_current_process_handle();
        SC_THREAD(thread2);
        sensitive << m_clk.pos();
        m_thread2 = sc_get_current_process_handle();
	m_kill = false;
    }

    void killer()
    {
        if ( m_kill )
	{
	    cout << sc_time_stamp() << " killer: killing thread0 " << endl;
	    m_thread0.kill();
	    cout << sc_time_stamp() << " killer: after killing thread0" << endl;
	    m_thread2.kill();
	    cout << sc_time_stamp() << " killer: after killing thread2" << endl;
	}
   }

    void thread0()
    {
        cout << sc_time_stamp() << " thread 0: initialization" << endl;
        try {
            for (;;)
            {
                wait();
            }
        }
        catch(sc_core::sc_unwind_exception& ex)
        {
	    if ( !ex.is_reset() )
	    {
		cout << sc_time_stamp() << " thread0: received kill" << endl;
		m_thread1.kill();
		cout << sc_time_stamp() << " thread0: after killing thread1"
		     << endl;
	    }
	    throw ex;
        }
    }

    void thread1()
    {
        cout << sc_time_stamp() << " thread 1: initialization" << endl;
        try {
            for (;;)
            {
                wait();
            }
        }
        catch(sc_core::sc_unwind_exception& ex)
        {
	    if ( !ex.is_reset() )
	    {
		cout << sc_time_stamp() << " thread1: received kill" << endl;
	    }
	    throw ex;
        }
    }

    void thread2()
    {
        cout << sc_time_stamp() << " thread 2: initialization" << endl;
        try {
            for (;;)
            {
                wait();
            }
        }
        catch(sc_core::sc_unwind_exception& ex)
        {
	    if ( !ex.is_reset() )
	    {
		cout << sc_time_stamp() << " thread2: received kill" << endl;
	    }
	    throw ex;
        }
    }

    void stimulus()
    {
        for (;;)
        {
            wait();
            wait();
            wait();
            wait();
	    cout << sc_time_stamp() << " stimulus setting kill" << endl;
	    m_kill = true;
            wait();
	    m_kill = false;
            wait();
            wait();
	    sc_stop();
        }
    }

    sc_in<bool>       m_clk;
    bool              m_kill;
    sc_process_handle m_thread0;
    sc_process_handle m_thread1;
    sc_process_handle m_thread2;
};

int sc_main(int argc, char* argv[])
{
    sc_clock        clock;
    DUT             dut("dut");

    dut.m_clk(clock);

    sc_start();

    cout << "Program completed" << endl;
    return 0;
}