src/systemc/tests/systemc/kernel/dynamic_processes/test02/test02.cpp

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  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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  with this work for additional information regarding copyright ownership.
  Accellera licenses this file to you under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with the
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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
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/*****************************************************************************

  Original Author: Bishnupriya Bhattacharya, Cadence Design Systems, 
                   September 5, 2003

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

// test dynamic method processes and hierarchical dynamic process naming

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

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

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/
// $Log: test02.cpp,v $
// Revision 1.3  2011/03/06 06:55:19  acg
//  Andy Goodrich: removed carriage returns.
//
// Revision 1.2  2011/02/01 17:17:40  acg
//  Andy Goodrich: update of copyright notice, added visible CVS logging.
//

#define SC_INCLUDE_DYNAMIC_PROCESSES
#include <systemc.h>

int function_method(double d)
{
  cout << endl << sc_time_stamp() << ", " 
       << sc_get_current_process_handle().name() 
       << ": function_method sees " << d << endl;
  return int(d);
}

void function_thread(double d)
{
  cout << endl << sc_time_stamp() << ", " 
       << sc_get_current_process_handle().name() 
       << ": function_thread sees " << d << endl;
  sc_core::wait(10, SC_NS);
  cout << sc_time_stamp() << ", "
       << sc_get_current_process_handle().name()
       << ": ending thread" << endl;
}

class module1 : public sc_module
{
private:
  sc_event& ev;
  int method_count;
  int r;
public:

  SC_HAS_PROCESS(module1);

  module1(sc_module_name name, sc_event& event) : sc_module(name), 
    ev(event), method_count(0), r(0)
  {
    SC_THREAD(main);
    cout << endl << sc_time_stamp() << ": CTOR, Before spawning function_method " << endl;
    sc_spawn_options o1;
    o1.spawn_method();
    o1.dont_initialize();
    o1.set_sensitivity(&ev);
    sc_process_handle h4 = sc_spawn(&r, sc_bind(&function_method, 1.2345), "event_sensitive_method", &o1);

  }

  void main()
  {
    int r;
    sc_event e1, e2, e3, e4;
    sc_spawn_options o1, o2, o3, o4;

    cout << endl << sc_time_stamp() << ", " 
    << sc_get_current_process_handle().name() 
    << ": main thread, Before spawning round robin methods " 
    << endl << endl;

    e1.notify(15, SC_NS);
    o1.spawn_method();
    o2.spawn_method();
    o3.spawn_method();
    o4.spawn_method();

    // Spawn several methods that co-operatively execute in round robin order

    sc_spawn(
      sc_bind(&module1::round_robin, this, "1", sc_ref(e1), sc_ref(e2), 1), "method1", &o1);
    sc_spawn(
      sc_bind(&module1::round_robin, this, "2", sc_ref(e2), sc_ref(e3), 1), "method2", &o2);
    sc_spawn(
      sc_bind(&module1::round_robin, this, "3", sc_ref(e3), sc_ref(e4), 1), "method3", &o3);
    sc_spawn(
      sc_bind(&module1::round_robin, this, "4", sc_ref(e4), sc_ref(e1), 1), "method4", &o4);


    cout << endl << sc_time_stamp() << ", " 
	 << sc_get_current_process_handle().name() 
	 << ": main thread, Issuing wait(60, SC_NS)" << endl;

    sc_core::wait(60, SC_NS);

    cout << endl << sc_time_stamp() << ", " 
	 << sc_get_current_process_handle().name() 
	 << ": Done main thread." << endl;
  }

  void round_robin(const char *str, sc_event& receive, sc_event& send, int cnt)
  {
    cout << sc_time_stamp() << ", " 
	 << sc_get_current_process_handle().name() 
	 << ": In Round robin method " << str; 
      
    if (method_count < 4) {
      method_count++;
      next_trigger(receive);
      cout << ". Issued next_trigger. " << endl;
    } else {
      send.notify(10, SC_NS);
      cout << ". Notified. Ending Round robin method " << str << endl;
    }

  }

};

int sc_main (int argc , char *argv[]) 
{
  sc_event event1;
  event1.notify(55, SC_NS);

  module1 mod1("mod1", event1);
  sc_start(100, SC_NS);
  cout << endl << sc_time_stamp() << ": sc_main, Before spawning function_thread " << endl;
  sc_process_handle h4 = sc_spawn(sc_bind(&function_thread, 6.789));
  sc_start(100, SC_NS);
  return 0;
}