| /***************************************************************************** |
| |
| Licensed to Accellera Systems Initiative Inc. (Accellera) under one or |
| more contributor license agreements. See the NOTICE file distributed |
| 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 |
| License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| 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 |
| permissions and limitations under the License. |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| Original Author: Stuart Swan, Cadence Design Systems, Inc., 2002-10-22 |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| MODIFICATION LOG - modifiers, enter your name, affiliation, date and |
| changes you are making here. |
| |
| Name, Affiliation, Date: |
| Description of Modification: |
| |
| *****************************************************************************/ |
| // $Log: test01.cpp,v $ |
| // Revision 1.3 2011/02/08 06:49:37 acg |
| // Andy Goodrich: removed carriage returns. |
| // |
| // Revision 1.2 2011/02/01 17:17:37 acg |
| // Andy Goodrich: update of copyright notice, added visible CVS logging. |
| // |
| |
| #define SC_INCLUDE_DYNAMIC_PROCESSES |
| #include <systemc.h> |
| |
| |
| int test_function(double d) |
| { |
| cout << endl << sc_time_stamp() << ": " << sc_get_current_process_handle().name() |
| << ": Test_function sees " << d << endl; |
| return int(d); |
| } |
| |
| void void_function(double d) |
| { |
| cout << endl << sc_time_stamp() << ": " << sc_get_current_process_handle().name() |
| << ": void_function sees " << d << endl; |
| } |
| |
| int ref_function(const double& d) |
| { |
| cout << endl << sc_time_stamp() << ": " << sc_get_current_process_handle().name() |
| << ": ref_function sees " << d << endl; |
| return int(d); |
| } |
| |
| |
| class top : public sc_module |
| { |
| public: |
| SC_HAS_PROCESS(top); |
| |
| top(sc_module_name name) : sc_module(name) |
| { |
| SC_THREAD(main); |
| } |
| |
| void main() |
| { |
| int r; |
| sc_event e1, e2, e3, e4; |
| |
| cout << endl; |
| |
| e1.notify(100, SC_NS); |
| |
| // Spawn several threads that co-operatively execute in round robin order |
| |
| SC_FORK |
| sc_spawn(&r, |
| sc_bind(&top::round_robin, this, "1", sc_ref(e1), sc_ref(e2), 3), "t1") , |
| sc_spawn(&r, |
| sc_bind(&top::round_robin, this, "2", sc_ref(e2), sc_ref(e3), 3), "t2") , |
| sc_spawn(&r, |
| sc_bind(&top::round_robin, this, "3", sc_ref(e3), sc_ref(e4), 3), "t3") , |
| sc_spawn(&r, |
| sc_bind(&top::round_robin, this, "4", sc_ref(e4), sc_ref(e1), 3), "t4") , |
| SC_JOIN |
| |
| cout << "Returned int is " << r << endl; |
| cout << endl << endl; |
| |
| // Test that threads in thread pool are successfully reused ... |
| |
| for (int i = 0 ; i < 10; i++) |
| sc_spawn(&r, sc_bind(&top::wait_and_end, this, i)); |
| |
| wait(20, SC_NS); |
| |
| // Test thread reuse |
| |
| for (int i = 0 ; i < 10; i++) |
| sc_spawn(&r, sc_bind(&top::wait_and_end, this, i)); |
| |
| wait(20, SC_NS); |
| |
| // Demo of a function rather than method call, & use return value ... |
| |
| wait( sc_spawn(&r, sc_bind(&test_function, 3.14159)).terminated_event() ); |
| |
| cout << "Returned int is " << r << endl; |
| |
| // demo sc_spawn_options usage |
| |
| sc_spawn_options ops; |
| ops.set_stack_size(0); |
| sc_process_handle handle1 = sc_spawn( |
| sc_bind(&void_function, 1.2345), "void_function", &ops |
| ); |
| wait(handle1.terminated_event()); |
| |
| double d = 9.8765; |
| wait( sc_spawn(&r, sc_bind(&ref_function, sc_cref(d))).terminated_event() ); |
| |
| cout << "Returned int is " << r << endl; |
| |
| cout << endl << "Done." << endl; |
| } |
| |
| int round_robin(const char *str, sc_event& receive, sc_event& send, int cnt) |
| { |
| while (--cnt >= 0) |
| { |
| wait(receive); |
| cout << sc_time_stamp() << ": " << sc_get_current_process_handle().name() |
| << ": Round robin thread " << str << endl; |
| wait(10, SC_NS); |
| send.notify(); |
| } |
| |
| return 0; |
| } |
| |
| int wait_and_end(int i) |
| { |
| wait( i + 1, SC_NS); |
| cout << sc_time_stamp() << ": " << sc_get_current_process_handle().name() |
| << ": Thread " << i << " ending." << endl; |
| return 0; |
| } |
| }; |
| |
| int sc_main (int argc , char *argv[]) |
| { |
| top top1("Top1"); |
| sc_start(); |
| |
| return 0; |
| } |