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#!/usr/bin/rexx
/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 2011 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
/**
* Sample program to demonstrate concurrent lock utilitites.
* Moritz Hoffmann - 110326
**/
import(.org.oorexx.concurrent.Lock)
lock = .Lock~new
thread1 = .MyThread~new(lock, "1")
thread2 = .MyThread~new(lock, "2")
thread1~start
thread2~start
say "waiting for thread termination..."
thread1~join
thread2~join
::options trace o
::routine import
use strict arg class
dotPos = class~id~lastpos(".")
.context~package~addClass(class~id~substr(dotPos+1,class~id~length), class)
return ""
::class MyThread subclass org.oorexx.concurrent.Thread
::method init
expose lock
use strict arg lock, ...
forward class (super) arguments (arg(2,"a"))
::method process
expose lock
do 10
lock~process(.message~new(self,"critical"))
end
::method critical
expose lock
call charout ,"MyThread" self~name
call SysSleep random()/1000
lock~process(.message~new(self, "critical2"))
say "...|"
::method critical2
call charout , "|..."self~name
::requires "concurrent.cls"