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awe2-0_1.lha
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FifoScheduler.cc
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C/C++ Source or Header
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1990-07-09
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1KB
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67 lines
// This may look like C code, but it is really -*- C++ -*-
//
// Copyright (C) 1988 University of Illinois, Urbana, Illinois
// Copyright (C) 1989 University of Colorado, Boulder, Colorado
// Copyright (C) 1990 University of Colorado, Boulder, Colorado
//
// written by Dirk Grunwald (grunwald@foobar.colorado.edu)
//
#include "Thread.h"
#include "FifoScheduler.h"
#include "stream.h"
#include "assert.h"
FifoScheduler::FifoScheduler(int defaultLength, bool xdebug)
: (xdebug), fifo(defaultLength)
{
fifo.reSize(defaultLength);
}
void
FifoScheduler::add(Thread *t)
{
fifo.add((AwesimePtr *) &t);
}
void
FifoScheduler::add(double , Thread *)
{
assert2(FALSE, "[FifoScheduler] add(when, thread) not provided");
}
Thread *
FifoScheduler::remove()
{
AwesimeFifoItem item;
bool removed = fifo.remove(&item);
Thread *thread = (Thread *) item;
if ( ! removed ) {
thread = 0;
}
return( thread );
}
Thread *
FifoScheduler::remove(Thread *t)
{
AwesimeFifoItem item = (AwesimeFifoItem) t;
bool removed = fifo.remove(&item);
assert2( removed, " Attempted to remove non-existent item");
return(t);
}
bool FifoScheduler::isEmpty()
{
return(fifo.isEmpty());
}
unsigned int FifoScheduler::size()
{
return(fifo.size());
}
void FifoScheduler::classPrintOn(ostream& s)
{
s << "[FifoScheduler] " << fifo;
}