using system.net;
using system;
using system.io;
using system.text;
using system.threading;
using system.diagnostics;

namespace webb.study
{
    class testthread
    {
        static mutex m_mutex            = new mutex();
        static thread[] m_testthreads    = new thread[10];
        static int m_threadindex        = 0;

        static void threadcallback()
        {
            testthread.m_mutex.waitone();
            int m_index    = m_threadindex;
            testthread.m_mutex.releasemutex();
            console.writeline("thread {0} start.",m_index);
            for(int i=0;i<=10;i++)
            {
                testthread.m_mutex.waitone();    
                console.writeline("thread {0}: is running. {1}",m_index,i);
                testthread.m_mutex.releasemutex();
                thread.sleep(100);
            }
            console.writeline("thread {0} end.",m_index);
        }

        public static void main(string[] args)
        {
            console.writeline("main thread start.");
            for(int i=0;i<testthread.m_testthreads.length;i++)
            {
                testthread.m_threadindex    = i;
                testthread.m_testthreads[i]    = new thread(new threadstart(threadcallback));               
                testthread.m_testthreads[i].start();
                thread.sleep(100);
            }
            for(int i=0;i<testthread.m_testthreads.length;i++)
            {
                testthread.m_testthreads[i].join();
            }
            console.writeline("main thread exit.");
        }
    }
}