form2.cs

操作系统 作业调度程序 课程设计文档 对于linux系统的学习有很大帮助

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Collections;

namespace 操作系统
{
   
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        //根据先来先服务的特点，利用一个栈的先进先出的特性来模拟进程的调度
        //定义栈

        int total_wait = 0;
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (comboBox1.Text.Equals("1"))
            {
                
                panel1.Visible = true;
                panel2.Visible = false;
                panel3.Visible = false;
                panel4.Visible = false;
                panel5.Visible = false;
                panel6.Visible = false;
                panel7.Visible = false;



                   //textBox1.Text = "序号"+"/t"+"进入系统的时间"+"/t"+"等待时间"+"/n"
                //  +p.PID+"/t"+p.RequestTime+"/t"+p.waittime+"/n";

                


            }
            if (comboBox1.Text.Equals("2"))
            {
                panel1.Visible = true;
                panel2.Visible = true;


            }
            if (comboBox1.Text.Equals("3"))
            {
                panel1.Visible = true;
                panel2.Visible = true;
                panel3.Visible = true;
                
               
                
            }
            if (comboBox1.Text.Equals("4"))
            {
                panel1.Visible = true;
                panel2.Visible = true;
                panel3.Visible = true;
                panel4.Visible = true;
            }
            if (comboBox1.Text.Equals("5"))
            {
                panel1.Visible = true;
                panel2.Visible = true;
                panel3.Visible = true;
                panel4.Visible = true;
                panel5.Visible = true;
            }
            if (comboBox1.Text.Equals("6"))
            {
                panel1.Visible = true;
                panel2.Visible = true;
                panel3.Visible = true;
                panel4.Visible = true;
                panel5.Visible = true;
                panel6.Visible = true;
            }
            if (comboBox1.Text.Equals("7"))
            {
                panel1.Visible = true;
                panel2.Visible = true;
                panel3.Visible = true;
                panel4.Visible = true;
                panel5.Visible = true;
                panel6.Visible = true;
                panel7.Visible = true;
            }
        }// 确定输入进程个数



        private void button1_Click(object sender, EventArgs e)
        {

            int number = Convert.ToInt32(comboBox1.Text.ToString());

            // PCB[] p1 = new PCB[number];
            // PCB[] p1 = new PCB[number];


            if (number == 1)
            {

                PCB[] p1 = new PCB[number];
                int i1 = Convert.ToInt32(textBox2.Text.ToString());
                int j1 = Convert.ToInt32(textBox3.Text.ToString());
                int k1 = Convert.ToInt32(textBox4.Text.ToString());


            }

            if (number == 2)
            {
                PCB[] p1 = new PCB[number];
                int i1 = Convert.ToInt32(textBox2.Text.ToString());
                int j1 = Convert.ToInt32(textBox3.Text.ToString());
                int k1 = Convert.ToInt32(textBox4.Text.ToString());
                p1[0] = new PCB(i1, j1, k1);
                int i2 = Convert.ToInt32(textBox6.Text.ToString());
                int j2 = Convert.ToInt32(textBox7.Text.ToString());
                int k2 = Convert.ToInt32(textBox8.Text.ToString());
                p1[1] = new PCB(i2, j2, k2);

                for (int i = 0; i < number - 1; i++)
                {

                    for (int j = i + 1; j < number; j++)
                        if (p1[i].Intime > p1[j].Intime)
                        {
                            PCB Ptemp = new PCB();
                            Ptemp = p1[i];
                            p1[i] = p1[j];
                            p1[j] = Ptemp;
                        }
                }

                p1[0].waittime = 0;
                for (int i = 0; i < number; i++)
                {


                    for (int j = i + 1; j < number; j++)
                    {

                        p1[j].waittime = p1[i].RequestTime + p1[i].waittime;
                        break;
                    }



                }


                p1[0].waittime = 0;
                for (int i = 0; i < number; i++)
                {


                    for (int j = i + 1; j < number; j++)
                    {

                        p1[j].waittime = (p1[i].Intime + p1[i].RequestTime) - p1[j].Intime;
                        break;

                    }



                }
                for (int i = 0; i < number; i++)
                {


                    textBox1.AppendText("序号" + '\t' + "进入系统的时间" + '\t' + "运行时间" + '\t' + "等待时间" + '\n' +
                                      p1[i].PID + '\t' + p1[i].Intime + '\t' + '\t' + p1[i].RequestTime + '\t' + '\t' + p1[i].waittime + '\n');
                }

            }

            if (number == 3)
            {
                PCB[] p1 = new PCB[number];
                int i1 = Convert.ToInt32(textBox2.Text.ToString());
                int j1 = Convert.ToInt32(textBox3.Text.ToString());
                int k1 = Convert.ToInt32(textBox4.Text.ToString());
                p1[0] = new PCB(i1, j1, k1);

                int i2 = Convert.ToInt32(textBox6.Text.ToString());
                int j2 = Convert.ToInt32(textBox7.Text.ToString());
                int k2 = Convert.ToInt32(textBox8.Text.ToString());
                p1[1] = new PCB(i2, j2, k2);

                int i3 = Convert.ToInt32(textBox9.Text.ToString());
                int j3 = Convert.ToInt32(textBox10.Text.ToString());
                int k3 = Convert.ToInt32(textBox11.Text.ToString());
                p1[2] = new PCB(i3, j3, k3);


                for (int i = 0; i < number - 1; i++)
                {

                    for (int j = i + 1; j < number; j++)
                        if (p1[i].Intime > p1[j].Intime)
                        {
                            PCB Ptemp = new PCB();
                            Ptemp = p1[i];
                            p1[i] = p1[j];
                            p1[j] = Ptemp;
                        }
                }

                p1[0].waittime = 0;
                for (int i = 0; i < number; i++)
                {

                    int n = p1[i].Intime / 100;

                    for (int j = i + 1; j < number; j++)
                    {

                        int m = p1[j].Intime / 100;
                        int k = m - n;
                        if (k > 0)
                            p1[j].waittime = Math.Abs((p1[i].Intime + p1[i].RequestTime) - p1[j].Intime + 40 * k);

                        else
                            p1[j].waittime = Math.Abs((p1[i].Intime + p1[i].RequestTime) - p1[j].Intime);

                        total_wait += p1[j].waittime; 
                        break;

                    }



                }

                for (int i = 0; i < number; i++)
                {


                    textBox1.AppendText("序号" + '\t' + "进入系统的时间" + '\t' + "运行时间" + '\t' + "等待时间" + '\n' +
                                      p1[i].PID + '\t' + p1[i].Intime + '\t' + '\t' + p1[i].RequestTime + '\t' + '\t' + p1[i].waittime + '\n' );
                }

                textBox1.AppendText("总等待时间为：" + total_wait);
                
            }
            if (number == 4)
            {
                PCB[] p1 = new PCB[number];
                int i1 = Convert.ToInt32(textBox2.Text.ToString());
                int j1 = Convert.ToInt32(textBox3.Text.ToString());
                int k1 = Convert.ToInt32(textBox4.Text.ToString());
                p1[0] = new PCB(i1, j1, k1);

                int i2 = Convert.ToInt32(textBox6.Text.ToString());
                int j2 = Convert.ToInt32(textBox7.Text.ToString());
                int k2 = Convert.ToInt32(textBox8.Text.ToString());
                p1[1] = new PCB(i2, j2, k2);

                int i3 = Convert.ToInt32(textBox9.Text.ToString());
                int j3 = Convert.ToInt32(textBox10.Text.ToString());
                int k3 = Convert.ToInt32(textBox11.Text.ToString());
                p1[2] = new PCB(i3, j3, k3);

                int i4 = Convert.ToInt32(textBox12.Text.ToString());
                int j4 = Convert.ToInt32(textBox13.Text.ToString());
                int k4 = Convert.ToInt32(textBox14.Text.ToString());
                p1[3] = new PCB(i4, j4, k4);

                for (int i = 0; i < number - 1; i++)
                {

                    for (int j = i + 1; j < number; j++)
                        if (p1[i].Intime > p1[j].Intime)
                        {
                            PCB Ptemp = new PCB();
                            Ptemp = p1[i];
                            p1[i] = p1[j];
                            p1[j] = Ptemp;
                        }
                }

                p1[0].waittime = 0;
                for (int i = 0; i < number; i++)