xref: /gem5/src/systemc/tests/systemc/kernel/process_control/reset/method_reset_throw/sc_method_reset_throw.cpp

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

  The following code is derived, directly or indirectly, from the SystemC
  source code Copyright (c) 1996-2014 by all Contributors.
  All Rights reserved.

  The contents of this file are subject to the restrictions and limitations
  set forth in the SystemC Open Source License (the "License");
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  License at http://www.accellera.org/. Software distributed by Contributors
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  language governing rights and limitations under the License.

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

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

  sc_method_reset_throw.cpp --

  Original Author: Bishnupriya Bhattacharya, Cadence Design Systems, 2012-08-07

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

#define SC_INCLUDE_DYNAMIC_PROCESSES
#include <systemc.h>

class my_exception
{
public:
  explicit my_exception(const char* s) : s_(s) { }
  const char* message() const { return s_.c_str(); }
protected:
  std::string s_;
};

SC_MODULE(sctop)
{
public:
   SC_CTOR(sctop)
   {
        SC_THREAD(run);
        SC_METHOD(m1); dont_initialize();
        method_handle = sc_get_current_process_handle();
        SC_THREAD(throwee1);
        throwee1_h = sc_get_current_process_handle();
   }

   void run() {
      wait (5, SC_NS);
      cout <<  sc_time_stamp() << ": reset method m1" << endl;
      method_handle.reset();
      cout <<  sc_time_stamp() << ": after reset of method m1" << endl;
   }

   void m1()
   {
      cout << sc_time_stamp() << ": in m1" << endl;
      cout << sc_time_stamp() << ": in m1() "
           << "throwing exception in throwee1" << endl;

      throwee1_h.throw_it(
         my_exception("thrown in throwee1 from m1()")
      );

      cout << sc_time_stamp() << ": in m1() "
           << "after throwing exception in throwee1" << endl;
  }

  void throwee1()
  {
    // catch exception and exit
    while (1) {
       try {
         wait(50, SC_NS);
         cerr << sc_time_stamp() << ": in throwee1, normal flow" << endl;
       }
       catch (my_exception const & x) {
         cerr << sc_time_stamp() << ": in throwee1, caught exception "
              << endl;
         return;
       }
    }
  }

protected:
  sc_process_handle method_handle;
  sc_process_handle throwee1_h;
};


int sc_main (int, char*[])
{
  sc_report_handler::set_actions( "disable() or dont_initialize() "
          "called on process with no static sensitivity, it will be orphaned",
          SC_DO_NOTHING );
  sctop top1("Top1");
  sc_start(10, SC_NS);
  return 0;
}