| /***************************************************************************** |
| |
| 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. |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| test02.cpp -- |
| |
| Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| MODIFICATION LOG - modifiers, enter your name, affiliation, date and |
| changes you are making here. |
| |
| Name, Affiliation, Date: |
| Description of Modification: |
| |
| *****************************************************************************/ |
| |
| // test of the sc_mutex_if interface |
| |
| #include "systemc.h" |
| |
| SC_MODULE( mod_a ) |
| { |
| sc_port<sc_mutex_if> mutex; |
| |
| void write( const char* msg ) |
| { |
| cout << sc_time_stamp() << " " << msg << endl; |
| } |
| |
| void proc_a() |
| { |
| while( true ) { |
| wait( 1, SC_NS ); |
| write( "proc_a - lock requested" ); |
| mutex->lock(); |
| write( "proc_a - lock obtained" ); |
| wait( 2, SC_NS ); |
| if( mutex->unlock() == 0 ) { |
| write( "proc_a - unlock successful" ); |
| } else { |
| write( "proc_a - unlock failed" ); |
| } |
| wait( 3, SC_NS ); |
| if( mutex->trylock() == 0 ) { |
| write( "proc_a - trylock successful" ); |
| } else { |
| write( "proc_a - trylock failed" ); |
| } |
| if( mutex->unlock() == 0 ) { |
| write( "proc_a - unlock successful" ); |
| } else { |
| write( "proc_a - unlock failed" ); |
| } |
| } |
| } |
| |
| SC_CTOR( mod_a ) |
| { |
| SC_THREAD( proc_a ); |
| } |
| }; |
| |
| SC_MODULE( mod_b ) |
| { |
| sc_port<sc_mutex_if> mutex; |
| |
| void write( const char* msg ) |
| { |
| cout << sc_time_stamp() << " " << msg << endl; |
| } |
| |
| void proc_b() |
| { |
| while( true ) { |
| wait( 2, SC_NS ); |
| write( "proc_b - lock requested" ); |
| mutex->lock(); |
| write( "proc_b - lock obtained" ); |
| wait( 4, SC_NS ); |
| if( mutex->unlock() == 0 ) { |
| write( "proc_b - unlock successful" ); |
| } else { |
| write( "proc_b - unlock failed" ); |
| } |
| wait( 3, SC_NS ); |
| if( mutex->trylock() == 0 ) { |
| write( "proc_b - trylock successful" ); |
| } else { |
| write( "proc_b - trylock failed" ); |
| } |
| if( mutex->unlock() == 0 ) { |
| write( "proc_b - unlock successful" ); |
| } else { |
| write( "proc_b - unlock failed" ); |
| } |
| } |
| } |
| |
| SC_CTOR( mod_b ) |
| { |
| SC_THREAD( proc_b ); |
| } |
| }; |
| |
| int |
| sc_main( int, char*[] ) |
| { |
| mod_a a( "a" ); |
| mod_b b( "b" ); |
| sc_mutex mutex( "mutex" ); |
| |
| a.mutex( mutex ); |
| b.mutex( mutex ); |
| |
| sc_start( 40, SC_NS ); |
| |
| return 0; |
| } |