#include?
#include?
#include?
#include?

#define?HZ	100

void?cpuio_bound（int?last?int?cpu_time?int?io_time）;

int?main（int?argc?char?*?argv[]）
{
	return?0;
}

/*
?*?此函數(shù)按照參數(shù)占用CPU和I/O時(shí)間
?*?last:?函數(shù)實(shí)際占用CPU和I/O的總時(shí)間，不含在就緒隊(duì)列中的時(shí)間，>=0是必須的
?*?cpu_time:?一次連續(xù)占用CPU的時(shí)間，>=0是必須的
?*?io_time:?一次I/O消耗的時(shí)間，>=0是必須的
?*?如果last?>?cpu_time?+?io_time，則往復(fù)多次占用CPU和I/O
?*?所有時(shí)間的單位為秒
?*/
void?cpuio_bound（int?last?int?cpu_time?int?io_time）
{
	struct?tms?start_time?current_time;
	clock_t?utime?stime;
	int?sleep_time;

	while?（last?>?0）
	{
		/*?CPU?Burst?*/
		times（&start_time）;
		/*?其實(shí)只有t.tms_utime才是真正的CPU時(shí)間。但我們是在模擬一個(gè)
		?*?只在用戶(hù)狀態(tài)運(yùn)行的CPU大戶(hù)，就像“for（;;）;”。所以把t.tms_stime
		?*?加上很合理。*/
		do
		{
			times（¤t_time）;
			utime?=?current_time.tms_utime?-?start_time.tms_utime;
			stime?=?current_time.tms_stime?-?start_time.tms_stime;
		}?while?（?（?（utime?+?stime）?/?HZ?）??		last?-=?cpu_time;

		if?（last?<=?0?）
			break;

		/*?IO?Burst?*/
		/*?用sleep（1）模擬1秒鐘的I/O操作?*/
		sleep_time=0;
		while?（sleep_time?		{
			sleep（1）;
			sleep_time++;
		}
		last?-=?sleep_time;
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\
?????文件??????????13??2015-05-27?02:39??hit-oslab-master\.gitignore
?????文件????????1859??2015-05-27?02:39??hit-oslab-master\README.md
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\amd64\
?????文件?????????131??2015-05-27?02:39??hit-oslab-master\amd64\mount-hdc
?????文件?????????679??2015-05-27?02:39??hit-oslab-master\amd64\run
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\common\
?????文件?????9923103??2015-05-27?02:39??hit-oslab-master\common\bochs-and-hdc.tar.gz
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\common\files\
?????文件???????13628??2015-05-27?02:39??hit-oslab-master\common\files\memtest
?????文件????????1395??2015-05-27?02:39??hit-oslab-master\common\files\process.c
?????文件????????8502??2015-05-27?02:39??hit-oslab-master\common\files\stat_log.py
?????文件????????5009??2015-05-27?02:39??hit-oslab-master\common\files\testlab2.c
?????文件?????????762??2015-05-27?02:39??hit-oslab-master\common\files\testlab2.sh
?????文件??????119902??2015-05-27?02:39??hit-oslab-master\common\linux-0.11.tar.gz
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\gcc-3.4\
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\gcc-3.4\amd64\
?????文件?????1825738??2015-05-27?02:39??hit-oslab-master\gcc-3.4\amd64\cpp-3.4_3.4.6-8ubuntu2_amd64.deb
?????文件??????165122??2015-05-27?02:39??hit-oslab-master\gcc-3.4\amd64\gcc-3.4-base_3.4.6-8ubuntu2_amd64.deb
?????文件?????1551014??2015-05-27?02:39??hit-oslab-master\gcc-3.4\amd64\gcc-3.4_3.4.6-8ubuntu2_amd64.deb
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\gcc-3.4\i386\
?????文件?????1682710??2015-05-27?02:39??hit-oslab-master\gcc-3.4\i386\cpp-3.4_3.4.6-8ubuntu2_i386.deb
?????文件??????165126??2015-05-27?02:39??hit-oslab-master\gcc-3.4\i386\gcc-3.4-base_3.4.6-8ubuntu2_i386.deb
?????文件?????1541036??2015-05-27?02:39??hit-oslab-master\gcc-3.4\i386\gcc-3.4_3.4.6-8ubuntu2_i386.deb
?????文件?????????560??2015-05-27?02:39??hit-oslab-master\hit.icon
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\i386\
?????目錄???????????0??2015-05-27?02:39??hit-oslab-master\i386\bochs\
?????文件?????7587107??2015-05-27?02:39??hit-oslab-master\i386\bochs\bochs-dbg
?????文件?????7081378??2015-05-27?02:39??hit-oslab-master\i386\bochs\bochs-gdb
?????文件?????????115??2015-05-27?02:39??hit-oslab-master\i386\dbg-asm
?????文件?????????119??2015-05-27?02:39??hit-oslab-master\i386\dbg-c
............此處省略6個(gè)文件信息