146 lines
3.7 KiB
ObjectPascal
146 lines
3.7 KiB
ObjectPascal
{******************************************************************************}
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{* WARNING: JEDI VCL To CLX Converter generated unit. *}
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{* Manual modifications will be lost on next release. *}
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{******************************************************************************}
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{******************************************************************
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JEDI-VCL Demo
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Copyright (C) 2002 Project JEDI
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Original author:
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Contributor(s):
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You may retrieve the latest version of this file at the JEDI-JVCL
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home page, located at http://jvcl.sourceforge.net
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The contents of this file are used with permission, subject to
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the Mozilla Public License Version 1.1 (the "License"); you may
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not use this file except in compliance with the License. You may
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obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1_1Final.html
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Software distributed under the License is distributed on an
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"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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******************************************************************}
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unit fThread;
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interface
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uses
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QWindows, QMessages, SysUtils, Classes, QGraphics, QControls, QForms, QDialogs,
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QStdCtrls, JvQThread, JvQComponent;
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type
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TForm1 = class(TForm)
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Label1: TLabel;
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JvThread1: TJvThread;
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JvThread2: TJvThread;
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Button1: TButton;
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Label2: TLabel;
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Label3: TLabel;
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Label4: TLabel;
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Button2: TButton;
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procedure JvThread1Execute(Sender: TObject; params: Pointer);
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procedure Button1Click(Sender: TObject);
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procedure JvThread2Execute(Sender: TObject; params: Pointer);
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procedure Button2Click(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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private
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public
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Value: Integer;
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Value2: Integer;
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procedure Stats1(Sender: TObject);
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procedure Stats2(Sender: TObject);
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end;
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var
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Form1: TForm1;
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implementation
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{$R *.xfm}
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procedure TForm1.JvThread1Execute(Sender: TObject; params: Pointer);
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var
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i, j, k: Integer;
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begin
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//Do the job here
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k := 0;
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for i := 0 to 1000000 do
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for j := 0 to 1000000 do
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begin
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Inc(k);
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//To use global variable/objects, you have to synchronize (to avoid conflicts)
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TForm1(params).Value := k;
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Synchronize(TForm1(params).Stats1);
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if JvThread1.Terminated then
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Exit;
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end;
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end;
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procedure TForm1.JvThread2Execute(Sender: TObject; params: Pointer);
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var
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i, j, k: Integer;
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begin
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//Do the job here
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k := 0;
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for i := 0 to 1000000 do
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for j := 0 to 1000000 do
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begin
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Inc(k,5); //This is the only difference with the other thread
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//To use global variable/objects, you have to synchronize (to avoid conflicts)
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TForm1(params).Value2 := k;
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Synchronize(TForm1(params).Stats2);
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if JvThread2.Terminated then
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Exit;
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end;
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end;
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procedure TForm1.Button1Click(Sender: TObject);
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begin
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JvThread1.Execute(Self);
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(Sender as TButton).Enabled := False;
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end;
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procedure TForm1.Button2Click(Sender: TObject);
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begin
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JvThread2.Execute(Self);
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(Sender as TButton).Enabled := False;
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end;
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procedure TForm1.Stats1(Sender: TObject);
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begin
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Label2.Caption := IntToStr(Value);
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end;
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procedure TForm1.Stats2(Sender: TObject);
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begin
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Label4.Caption := IntToStr(Value2);
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end;
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procedure TForm1.FormDestroy(Sender: TObject);
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begin
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if not JvThread1.Terminated then
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JvThread1.Terminate;
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if not JvThread2.Terminated then
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JvThread2.Terminate;
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while not (JvThread1.Terminated or JvThread2.Terminated) do
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begin
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Sleep(100);
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Application.ProcessMessages;
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end;
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end;
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end.
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