unit1.pas

实现操作系统实验中的进程的互斥。 代码较简单

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    Button6: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
form1.button2.enabled:=false;
form1.button3.enabled:=false;
form1.button4.enabled:=false;
form1.button5.enabled:=false;
showmessage('资源已被进程1占用');
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
form1.button1.enabled:=false;
form1.button3.enabled:=false;
form1.button4.enabled:=false;
form1.button5.enabled:=false;
showmessage('资源已被进程2占用');
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
form1.button1.enabled:=false;
form1.button2.enabled:=false;
form1.button4.enabled:=false;
form1.button5.enabled:=false;
showmessage('资源已被进程3占用');
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
form1.button1.enabled:=false;
form1.button2.enabled:=false;
form1.button3.enabled:=false;
form1.button5.enabled:=false;
showmessage('资源已被进程4占用');
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
form1.button1.enabled:=false;
form1.button2.enabled:=false;
form1.button3.enabled:=false;
form1.button4.enabled:=false;
showmessage('资源已被进程5占用');
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
form1.button1.enabled:=true;
form1.button2.enabled:=true;
form1.button3.enabled:=true;
form1.button4.enabled:=true;
form1.button5.enabled:=true;
showmessage('资源已被释放');
end;

end.