C++線程應用之線程ID撞車實驗

// test_thread.cpp : 定義控制檯應用程序的入口點。
//

#include "stdafx.h"
#include <iostream>
#include <ctime>
#include <windows.h>
using namespace std;

void sleepdelay(float t)
{
	clock_t delay = t*CLOCKS_PER_SEC;
	clock_t start = clock();
	while ((clock() - start) < delay)
	{
	}
}
DWORD WINAPI thread_one(LPVOID s)
{
	for (int i = 0; i < 1000000; i++)
	{
		cout << i*0.1 << endl;
		for (int a = 0; a < i; a++)cout << " ";cout << "    _________" << endl;
		for (int a = 0; a <= i; a++)cout << " ";cout << "   |   |  | |" << endl;
		for (int a = 0; a <= i; a++)cout << " ";cout << " __|___|__|_|____"<< endl;

		for (int a = 0; a <= i; a++)cout << " ";
		int id = GetCurrentThreadId(); int id_length=0, b = 0;
		while (id) { id /= 10; id_length++; }
		cout << "("; 
		if ((16 - id_length) % 2) { for (b = 0; b < (16 - id_length - 1) / 2; b++)cout << "_"; }
		else { for (b = 0; b < (16 - id_length) / 2; b++)cout << "_"; }
		cout << GetCurrentThreadId();
		for (int c = 0; c < (16-id_length-b) ; c++)cout << "_";
		cout << ")"<<endl;

		for (int a = 0; a <= i; a++)cout << " ";cout << "    (_)    (_)" << endl;
		sleepdelay(0.1); system("cls");
	}
	return 0;
}
//DWORD WINAPI thread_two(LPVOID s)
//{
//	for (int i = 0; i < 1000000; i++)
//	{
//		//cout << "this is two thread,ID is" << GetCurrentThreadId() << endl;
//		//sleepdelay(1);
//		double a = (rand() / double(RAND_MAX)) / 100;
//		cout << "   /"; sleepdelay(a);
//	}
//	return 0;
//}
//DWORD WINAPI thread_three(LPVOID s)
//{
//	for (int i = 0; i < 1000000; i++)
//	{
//		double a = (rand() / double(RAND_MAX)) / 10;
//		cout << " /    "; sleepdelay(a);
//	}
//	return 0;
//}
int main()
{
	//for (int i = 0; i < 20; i++) { double a = rand() / double(RAND_MAX); cout << a << endl; }return 0;
	HANDLE handle_one = CreateThread(NULL, 0, thread_one, NULL, 0, NULL);
	//WaitForSingleObject(handle_one, INFINITE);//掛起當前線程，等待線程handle_one返回信號，第二個參數是等待時間最大值，INFNITE是指無限等待；
	CloseHandle(handle_one);
	//HANDLE handle_two = CreateThread(NULL, 0, thread_two, NULL, 0, NULL);
	//CloseHandle(handle_two);
	//HANDLE handle_three = CreateThread(NULL, 0, thread_three, NULL, 0, NULL);
	//CloseHandle(handle_three);
	sleepdelay(20);
	return 0;
}