#include "stdafx.h"
using namespace System;
using namespace System::Threading;
ref class MyThread
{
static Object^ MonitorObject = gcnew Object();
public:
void FOne();
void FTwo();
void FThree();
};
void MyThread::FOne()
{
Monitor::Enter(MonitorObject);
for (Int32 i = 0; i < 3; i++)
{
Console::WriteLine("FOne Waits {0}", i.ToString());
Monitor::Wait(MonitorObject);
Console::WriteLine("FOne Pulses {0}", i.ToString());
Monitor::Pulse(MonitorObject);
Thread::Sleep(1);
}
Monitor::Exit(MonitorObject);
Console::WriteLine("FOne exits monitor");
}
void MyThread::FTwo()
{
Monitor::Enter(MonitorObject);
for (Int32 i = 0; i < 3; i++)
{
Console::WriteLine("FTwo Pulses {0}", i.ToString());
Monitor::Pulse(MonitorObject);
Thread::Sleep(1);
Console::WriteLine("FTwo Waits {0}", i.ToString());
Monitor::Wait(MonitorObject);
}
Monitor::Exit(MonitorObject);
Console::WriteLine("FTwo exits monitor");
}
void MyThread::FThree()
{
if (!Monitor::TryEnter(MonitorObject))
{
Console::WriteLine("FThree was not able to lock");
return;
}
Console::WriteLine("FThree got a lock");
Monitor::Exit(MonitorObject);
Console::WriteLine("FThree exits monitor");
}
void main()
{
MyThread ^myThr1 = gcnew MyThread();
(gcnew Thread(gcnew ThreadStart(myThr1, &MyThread::FOne)))->Start();
Thread::Sleep(2);
(gcnew Thread(gcnew ThreadStart(myThr1, &MyThread::FTwo)))->Start();
Thread::Sleep(2);
for (int i = 0; i < 2; i++)
{
(gcnew Thread(
gcnew ThreadStart(myThr1, &MyThread::FThree)))->Start();
Thread::Sleep(50);
}
}
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