test04.cpp revision 12855:588919e0e4aa 
1/*****************************************************************************
2
3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
4  more contributor license agreements.  See the NOTICE file distributed
5  with this work for additional information regarding copyright ownership.
6  Accellera licenses this file to you under the Apache License, Version 2.0
7  (the "License"); you may not use this file except in compliance with the
8  License.  You may obtain a copy of the License at
9
10    http://www.apache.org/licenses/LICENSE-2.0
11
12  Unless required by applicable law or agreed to in writing, software
13  distributed under the License is distributed on an "AS IS" BASIS,
14  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
15  implied.  See the License for the specific language governing
16  permissions and limitations under the License.
17
18 *****************************************************************************/
19
20/*****************************************************************************
21
22  test04.cpp -- Test using sc_join as barrier mechanism with clocked and
23                asynchronous thread waits.
24
25  Original Author: Andy Goodrich, Forte Design Systems, 10 October 2004
26
27 *****************************************************************************/
28
29/*****************************************************************************
30
31  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
32  changes you are making here.
33
34      Name, Affiliation, Date:
35  Description of Modification:
36
37 *****************************************************************************/
38
39#include "systemc.h"
40#include "sysc/kernel/sc_dynamic_processes.h"
41
42SC_MODULE(X)
43{
44	SC_CTOR(X)
45	{
46		m_join.add_process( sc_spawn( sc_bind(&X::sync, this, 3 ) ) );
47		m_join.add_process( sc_spawn( sc_bind(&X::sync, this, 4 ) ) );
48		m_join.add_process( sc_spawn( sc_bind(&X::sync, this, 5 ) ) );
49		m_join.add_process( sc_spawn( sc_bind(&X::sync, this, 5 ) ) );
50		m_join.add_process( sc_spawn( sc_bind(&X::sync, this, 7 ) ) );
51		m_join.add_process( sc_spawn( sc_bind(&X::sync, this, 11 ) ) );
52		m_join.add_process( sc_spawn( sc_bind(&X::sync, this, 21 ) ) );
53
54		SC_CTHREAD(cwaiting,m_clk.pos());
55		SC_THREAD(waiting);
56	}
57	void cwaiting()
58	{
59		m_join.wait_clocked();
60		cout << sc_time_stamp() << ": clocked wait waking" << endl;
61	}
62
63	void sync(int context)
64	{
65		for ( int i = 0; i < context; i++ )
66		{
67			wait(m_clk.posedge_event());
68		}
69		cout << sc_time_stamp() << ": sync(" << context << ") terminating" << endl;
70	}
71	void waiting()
72	{
73		m_join.wait();
74		cout << sc_time_stamp() << ": asynchronous wait waking" << endl;
75	}
76
77	sc_in_clk m_clk;
78	sc_join   m_join;
79};
80
81int sc_main( int argc, char* argv[] )
82{
83	sc_clock clock;
84	X x("x");
85	x.m_clk(clock);
86
87	sc_start(1000, SC_NS);
88
89	cerr << "Program completed" << endl;
90	return 0;
91}
92
93