threadmanager.c

比较权威的p2p仿真软件

/*
 * Copyright (c) 2003-2005 Thomer M. Gil ([e-mail])
 *                    Massachusetts Institute of Technology
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "threadmanager.h"
#include "p2psim.h"
#include <iostream>
using namespace std;

ThreadManager *ThreadManager::_instance = 0;


ThreadManager*
ThreadManager::Instance()
{
  if(!_instance)
    _instance = New ThreadManager;
  return _instance;
}

ThreadManager::ThreadManager() : _counter(0)
{
}

ThreadManager::~ThreadManager()
{
  DEBUG(1) << "ThreadManager created " << _counter << " threads." << endl;
}

int
ThreadManager::create(void (*fn)(void*), void *args, int ss)
{
  _counter++;
  int tid = ::taskcreate(fn, args, THREAD_MULTIPLY * ss);
  return tid;
}