test01.cpp revision 12855:588919e0e4aa 
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3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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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
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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
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18 *****************************************************************************/
19
20/*****************************************************************************
21
22  test01.cpp --
23
24  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
32
33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38// test of the sc_mutex primitive channel
39
40#include "systemc.h"
41
42SC_MODULE( mod_a )
43{
44    sc_mutex mutex;
45
46    void write( const char* msg )
47    {
48        cout << sc_time_stamp() << " " << msg << endl;
49    }
50
51    void proc_a()
52    {
53        while( true ) {
54            wait( 1, SC_NS );
55            write( "proc_a - lock requested" );
56            mutex.lock();
57            write( "proc_a - lock obtained" );
58            wait( 2, SC_NS );
59            if( mutex.unlock() == 0 ) {
60                write( "proc_a - unlock successful" );
61            } else {
62                write( "proc_a - unlock failed" );
63            }
64            wait( 3, SC_NS );
65            if( mutex.trylock() == 0 ) {
66                write( "proc_a - trylock successful" );
67            } else {
68                write( "proc_a - trylock failed" );
69            }
70            if( mutex.unlock() == 0 ) {
71                write( "proc_a - unlock successful" );
72            } else {
73                write( "proc_a - unlock failed" );
74            }
75        }
76    }
77
78    void proc_b()
79    {
80        while( true ) {
81            wait( 2, SC_NS );
82            write( "proc_b - lock requested" );
83            mutex.lock();
84            write( "proc_b - lock obtained" );
85            wait( 4, SC_NS );
86            if( mutex.unlock() == 0 ) {
87                write( "proc_b - unlock successful" );
88            } else {
89                write( "proc_b - unlock failed" );
90            }
91            wait( 3, SC_NS );
92            if( mutex.trylock() == 0 ) {
93                write( "proc_b - trylock successful" );
94            } else {
95                write( "proc_b - trylock failed" );
96            }
97            if( mutex.unlock() == 0 ) {
98                write( "proc_b - unlock successful" );
99            } else {
100                write( "proc_b - unlock failed" );
101            }
102        }
103    }
104
105    SC_CTOR( mod_a )
106    {
107        SC_THREAD( proc_a );
108        SC_THREAD( proc_b );
109    }
110};
111
112int
113sc_main( int, char*[] )
114{
115    mod_a a( "a" );
116
117    sc_start( 40, SC_NS );
118
119    return 0;
120}
121