/// 将方法排入队列以便执行
public void QueueUserWorkItem(WaitCallback waitCallback, object args, int timeOut)
{
DateTime beginTime = DateTime.Now;
// 锁住共享资源，实现线程安全
lock ( workThreads )
{
try
{
do
{
WorkThread workThread = GetAvailableWorkThread();
if (workThread != null)
{
workThread.Start(waitCallback, args);
return;
}
// 通知所有的等待线程对象状态的更改
Monitor.PulseAll(this.workThreads);
Thread.Sleep(500);
}while (((TimeSpan)(DateTime.Now - beginTime)).Milliseconds < timeOut);
}
catch (SynchronizationLockException)
{}
finally
{
Monitor.Exit(this.workThreads);
}
}
}
/// 构造函数
public WorkThreadPool(int size)
{
//
// TODO: 在此处添加构造函数逻辑
//
this.size = size;
this.workThreads = new WorkThread[this.size];
for (int i = 0; i < this.size; i++)
{
workThreads[i] = new WorkThread();
}
}
/// 获取有效的线程
private WorkThread GetAvailableWorkThread()
{
for (int i = 0; i < workThreads.Length; i++)
{
WorkThread workThread = workThreads[i];
if (workThread.IsAvailable)
{
return(workThread);
}
}
return(null);
}
