| 1 | unit UMainForm;
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| 2 |
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| 3 | {$mode Delphi}{$H+}
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| 4 |
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| 5 | interface
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| 6 |
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| 7 | uses
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| 8 | Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
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| 9 | ComCtrls, ExtCtrls, Spin, Menus, UMicroThreading, DateUtils, UPlatform,
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| 10 | UMicroThreadList, UThreadEx;
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| 11 |
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| 12 | type
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| 13 | TMainForm = class;
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| 14 |
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| 15 | { TWorker }
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| 16 |
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| 17 | TWorker = class(TMicroThread)
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| 18 | procedure Execute; override;
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| 19 | private
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| 20 | MainForm: TMainForm;
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| 21 | procedure DoWriteToMemo;
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| 22 | constructor Create(CreateSuspended: Boolean;
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| 23 | const StackSize: SizeUInt = DefaultStackSize);
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| 24 | destructor Destroy; override;
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| 25 | end;
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| 26 |
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| 27 | { TMainForm }
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| 28 |
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| 29 | TMainForm = class(TForm)
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| 30 | Button1: TButton;
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| 31 | Button2: TButton;
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| 32 | Button3: TButton;
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| 33 | Button4: TButton;
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| 34 | Button5: TButton;
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| 35 | Button6: TButton;
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| 36 | ButtonAddWorkers: TButton;
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| 37 | ButtonClearMicroThreads: TButton;
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| 38 | ButtonGetMaxThread: TButton;
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| 39 | ButtonSchedulerStartStop: TButton;
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| 40 | ButtonShowThreadId: TButton;
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| 41 | CheckBox1: TCheckBox;
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| 42 | CheckBox2: TCheckBox;
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| 43 | CheckBox3: TCheckBox;
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| 44 | CheckBox4: TCheckBox;
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| 45 | CheckBoxUseMainThread: TCheckBox;
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| 46 | GroupBox1: TGroupBox;
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| 47 | GroupBox2: TGroupBox;
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| 48 | GroupBox3: TGroupBox;
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| 49 | Label11: TLabel;
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| 50 | Label12: TLabel;
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| 51 | Label14: TLabel;
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| 52 | Label15: TLabel;
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| 53 | Label16: TLabel;
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| 54 | Label17: TLabel;
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| 55 | Label18: TLabel;
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| 56 | Label2: TLabel;
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| 57 | Label3: TLabel;
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| 58 | Label4: TLabel;
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| 59 | MainMenu1: TMainMenu;
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| 60 | Memo1: TMemo;
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| 61 | MenuItem1: TMenuItem;
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| 62 | MenuItem2: TMenuItem;
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| 63 | MenuItem3: TMenuItem;
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| 64 | MenuItem4: TMenuItem;
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| 65 | PageControl1: TPageControl;
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| 66 | SpinEdit1: TSpinEdit;
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| 67 | SpinEdit2: TSpinEdit;
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| 68 | SpinEdit3: TSpinEdit;
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| 69 | SpinEdit4: TSpinEdit;
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| 70 | SpinEdit5: TSpinEdit;
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| 71 | SpinEdit6: TSpinEdit;
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| 72 | TabSheet1: TTabSheet;
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| 73 | TabSheet2: TTabSheet;
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| 74 | TabSheet3: TTabSheet;
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| 75 | TimerRedraw: TTimer;
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| 76 | procedure Button1Click(Sender: TObject);
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| 77 | procedure Button3Click(Sender: TObject);
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| 78 | procedure Button4Click(Sender: TObject);
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| 79 | procedure Button5Click(Sender: TObject);
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| 80 | procedure Button6Click(Sender: TObject);
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| 81 | procedure ButtonSchedulerStartStopClick(Sender: TObject);
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| 82 | procedure Button2Click(Sender: TObject);
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| 83 | procedure ButtonAddWorkersClick(Sender: TObject);
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| 84 | procedure ButtonGetMaxThreadClick(Sender: TObject);
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| 85 | procedure ButtonShowThreadIdClick(Sender: TObject);
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| 86 | procedure ButtonClearMicroThreadsClick(Sender: TObject);
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| 87 | procedure CheckBox1Change(Sender: TObject);
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| 88 | procedure CheckBox2Change(Sender: TObject);
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| 89 | procedure CheckBox3Change(Sender: TObject);
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| 90 | procedure CheckBox4Change(Sender: TObject);
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| 91 | procedure CheckBoxUseMainThreadChange(Sender: TObject);
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| 92 | procedure FormCreate(Sender: TObject);
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| 93 | procedure FormDestroy(Sender: TObject);
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| 94 | procedure FormShow(Sender: TObject);
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| 95 | procedure ListView2Data(Sender: TObject; Item: TListItem);
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| 96 | procedure SpinEdit2Change(Sender: TObject);
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| 97 | procedure SpinEdit3Change(Sender: TObject);
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| 98 | procedure SpinEdit5Change(Sender: TObject);
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| 99 | procedure SpinEdit6Change(Sender: TObject);
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| 100 | procedure TimerRedrawTimer(Sender: TObject);
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| 101 | private
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| 102 | MicroThreadList: TMicroThreadList;
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| 103 | Lock: TMicroThreadCriticalSection;
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| 104 | LastException: Exception;
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| 105 | LastExceptionSender: TObject;
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| 106 | procedure WorkerSubRoutine;
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| 107 | procedure ShowException(Sender: TObject; E: Exception);
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| 108 | procedure DoShowException;
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| 109 | procedure MethodWorker;
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| 110 | public
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| 111 | DoWriteToMemo: Boolean;
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| 112 | DoSleep: Boolean;
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| 113 | DoCriticalSection: Boolean;
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| 114 | RaiseException: Boolean;
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| 115 | SleepDuration: Integer;
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| 116 | CriticalSectionSleepDuration: Integer;
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| 117 | DoWaitForEvent: Boolean;
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| 118 | Event: TMicroThreadEvent;
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| 119 | WaitForEventDuration: Integer;
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| 120 | Iterations: Integer;
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| 121 | end;
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| 122 |
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| 123 | var
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| 124 | MainForm: TMainForm;
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| 125 |
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| 126 | implementation
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| 127 |
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| 128 | { TTest }
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| 129 |
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| 130 | {$R *.lfm}
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| 131 |
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| 132 | { TMainForm }
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| 133 |
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| 134 | procedure TMainForm.FormCreate(Sender: TObject);
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| 135 | begin
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| 136 | DoubleBuffered := True;
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| 137 | // ListView1.DoubleBuffered := True;
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| 138 | Event := TMicroThreadEvent.Create;
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| 139 | MicroThreadList := TMicroThreadList.Create(Self);
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| 140 | UMicroThreading.ExceptionHandler := ShowException;
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| 141 | Lock := TMicroThreadCriticalSection.Create;
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| 142 | end;
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| 143 |
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| 144 | procedure TMainForm.ButtonSchedulerStartStopClick(Sender: TObject);
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| 145 | var
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| 146 | I: Integer;
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| 147 | begin
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| 148 | if ButtonSchedulerStartStop.Caption = 'Start scheduler' then begin
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| 149 | ButtonSchedulerStartStop.Caption := 'Stop scheduler';
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| 150 | MainScheduler.ThreadPoolSize := SpinEdit2.Value;
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| 151 | MainScheduler.Active := True;
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| 152 | end else begin
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| 153 | ButtonSchedulerStartStop.Caption := 'Start scheduler';
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| 154 | MainScheduler.Active := False;
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| 155 | end;
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| 156 | end;
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| 157 |
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| 158 | procedure TMainForm.Button1Click(Sender: TObject);
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| 159 | begin
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| 160 | Memo1.Clear;
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| 161 | end;
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| 162 |
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| 163 | procedure TMainForm.Button3Click(Sender: TObject);
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| 164 | begin
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| 165 | Event.SetEvent;
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| 166 | end;
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| 167 |
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| 168 | procedure TMainForm.Button4Click(Sender: TObject);
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| 169 | begin
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| 170 | MicroThreadList.Form.Show;
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| 171 | end;
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| 172 |
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| 173 | procedure TMainForm.Button5Click(Sender: TObject);
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| 174 | begin
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| 175 | RaiseException := True;
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| 176 | end;
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| 177 |
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| 178 | procedure TMainForm.Button6Click(Sender: TObject);
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| 179 | var
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| 180 | I: Integer;
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| 181 | begin
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| 182 | //Scheduler.FMicroThreads.Clear;
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| 183 | for I := 0 to SpinEdit1.Value - 1 do begin
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| 184 | MainScheduler.AddMethod(MethodWorker, False);
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| 185 | end;
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| 186 | end;
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| 187 |
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| 188 | procedure TMainForm.Button2Click(Sender: TObject);
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| 189 | const
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| 190 | MaxBlock = MaxInt - $f;
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| 191 | type
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| 192 | PBytes = ^TBytes;
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| 193 | TBytes = array[0..MaxBlock div SizeOf(Byte)] of Byte;
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| 194 | PDWORDS = ^TDWORDS;
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| 195 | TDWORDS = array[0..MaxBlock div SizeOf(DWORD)] of DWORD;
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| 196 | PStackFrame = ^TStackFrame;
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| 197 | TStackFrame = record
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| 198 | CallersEBP: PStackFrame;
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| 199 | CallerAdr: DWORD;
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| 200 | end;
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| 201 | TStackInfo = record
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| 202 | CallerAdr: DWORD;
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| 203 | Level: DWORD;
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| 204 | CallersEBP: DWORD;
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| 205 | DumpSize: DWORD;
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| 206 | ParamSize: DWORD;
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| 207 | ParamPtr: PDWORDS;
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| 208 | case integer of
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| 209 | 0: (StackFrame: PStackFrame);
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| 210 | 1: (DumpPtr: PBytes);
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| 211 | end;
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| 212 | PStackInfo = ^TStackInfo;
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| 213 | var
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| 214 | I: Integer;
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| 215 | FrameAddr: PStackFrame;
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| 216 | FrameAddr2: PStackFrame;
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| 217 | begin
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| 218 | (* for I := 0 to 100 do begin
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| 219 | Memo1.Lines.Add(IntToStr(I));
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| 220 | Sleep(10);
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| 221 | Application.ProcessMessages;
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| 222 | end;
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| 223 | *)
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| 224 | FrameAddr := get_frame;
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| 225 | Memo1.Lines.Add('get_frame: ' + IntToHex(Integer(FrameAddr), 8));
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| 226 | Memo1.Lines.Add('get_caller_addr: ' + IntToHex(Integer(get_caller_addr(get_frame)), 8));
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| 227 | Memo1.Lines.Add('get_caller_frame: ' + IntToHex(Integer(get_caller_frame(get_frame)), 8));
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| 228 | Memo1.Lines.Add(IntToHex(Integer(FrameAddr^.CallersEBP), 8));
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| 229 | Memo1.Lines.Add(IntToHex(FrameAddr^.CallerAdr, 8));
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| 230 |
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| 231 | for I := 0 to 10 do begin
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| 232 | Memo1.Lines.Add('Stack frame ' + IntToStr(I));
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| 233 | Memo1.Lines.Add(IntToHex(Integer(FrameAddr^.CallersEBP), 8));
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| 234 | Memo1.Lines.Add(IntToHex(FrameAddr^.CallerAdr, 8));
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| 235 | Memo1.Lines.Add('Size: ' + IntToStr(Integer(FrameAddr^.CallersEBP) - Integer(FrameAddr)));
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| 236 | FrameAddr := FrameAddr^.CallersEBP;
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| 237 | end;
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| 238 | //FrameAddr^.CallerAdr := FrameAddr2^.CallerAdr;
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| 239 | end;
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| 240 |
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| 241 | procedure TMainForm.ButtonAddWorkersClick(Sender: TObject);
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| 242 | var
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| 243 | I: Integer;
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| 244 | NewWorker: TWorker;
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| 245 | begin
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| 246 | //Scheduler.FMicroThreads.Clear;
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| 247 | for I := 0 to SpinEdit1.Value - 1 do begin
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| 248 | NewWorker := TWorker.Create(True);
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| 249 | NewWorker.MainForm := Self;
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| 250 | NewWorker.Start;
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| 251 | end;
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| 252 | end;
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| 253 |
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| 254 | procedure TMainForm.ButtonGetMaxThreadClick(Sender: TObject);
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| 255 | var
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| 256 | NewThread: TThread;
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| 257 | I: Integer;
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| 258 | begin
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| 259 | try
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| 260 | I := 0;
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| 261 | while True do begin
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| 262 | NewThread := TThread.Create(True);
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| 263 | NewThread.FreeOnTerminate:= False;
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| 264 | Inc(I);
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| 265 | end;
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| 266 | except
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| 267 | ShowMessage('Application can create ' + IntToStr(I) +' TThread instances');
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| 268 | end;
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| 269 | end;
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| 270 |
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| 271 | procedure TMainForm.ButtonShowThreadIdClick(Sender: TObject);
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| 272 | begin
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| 273 | ShowMessage(IntToStr(GetThreadID));
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| 274 | end;
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| 275 |
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| 276 | procedure TMainForm.ButtonClearMicroThreadsClick(Sender: TObject);
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| 277 | begin
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| 278 | try
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| 279 | MainScheduler.MicroThreadsLock.Acquire;
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| 280 | MainScheduler.MicroThreads.Clear;
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| 281 | finally
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| 282 | MainScheduler.MicroThreadsLock.Release;
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| 283 | end;
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| 284 | end;
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| 285 |
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| 286 | procedure TMainForm.CheckBox1Change(Sender: TObject);
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| 287 | begin
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| 288 | SleepDuration := SpinEdit4.Value;
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| 289 | DoSleep := CheckBox1.Checked;
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| 290 | end;
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| 291 |
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| 292 | procedure TMainForm.CheckBox2Change(Sender: TObject);
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| 293 | begin
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| 294 | DoWriteToMemo := CheckBox2.Checked;
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| 295 | end;
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| 296 |
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| 297 | procedure TMainForm.CheckBox3Change(Sender: TObject);
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| 298 | begin
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| 299 | DoWaitForEvent := CheckBox3.Checked;
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| 300 | WaitForEventDuration := SpinEdit5.Value;
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| 301 | end;
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| 302 |
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| 303 | procedure TMainForm.CheckBox4Change(Sender: TObject);
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| 304 | begin
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| 305 | CriticalSectionSleepDuration := SpinEdit6.Value;
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| 306 | DoCriticalSection := CheckBox4.Checked;
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| 307 | end;
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| 308 |
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| 309 | procedure TMainForm.CheckBoxUseMainThreadChange(Sender: TObject);
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| 310 | begin
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| 311 | MainScheduler.UseMainThread := CheckBoxUseMainThread.Checked;
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| 312 | end;
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| 313 |
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| 314 | procedure TMainForm.FormDestroy(Sender: TObject);
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| 315 | begin
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| 316 | MicroThreadList.Free;
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| 317 | MainScheduler.Active := False;
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| 318 | Event.Free;
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| 319 | Lock.Free;
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| 320 | end;
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| 321 |
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| 322 | procedure TMainForm.FormShow(Sender: TObject);
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| 323 | begin
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| 324 | Iterations := SpinEdit3.Value;
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| 325 | SpinEdit2.Value := 6;
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| 326 | ButtonAddWorkers.Click;
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| 327 | ButtonSchedulerStartStop.Click;
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| 328 | Label16.Caption := IntToStr(MainThreadID);
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| 329 | end;
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| 330 |
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| 331 | procedure TMainForm.ListView2Data(Sender: TObject; Item: TListItem);
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| 332 | begin
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| 333 | end;
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| 334 |
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| 335 | procedure TMainForm.SpinEdit2Change(Sender: TObject);
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| 336 | begin
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| 337 | MainScheduler.ThreadPoolSize := SpinEdit2.Value;
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| 338 | end;
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| 339 |
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| 340 | procedure TMainForm.SpinEdit3Change(Sender: TObject);
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| 341 | begin
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| 342 | Iterations := SpinEdit3.Value;
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| 343 | end;
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| 344 |
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| 345 | procedure TMainForm.SpinEdit5Change(Sender: TObject);
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| 346 | begin
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| 347 |
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| 348 | end;
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| 349 |
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| 350 | procedure TMainForm.SpinEdit6Change(Sender: TObject);
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| 351 | begin
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| 352 | end;
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| 353 |
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| 354 | procedure TMainForm.TimerRedrawTimer(Sender: TObject);
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| 355 | begin
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| 356 | Label2.Caption := DateTimeToStr(NowPrecise) + ' ' +
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| 357 | FloatToStr(Frac(NowPrecise / OneSecond));
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| 358 | end;
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| 359 |
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| 360 | procedure TMainForm.WorkerSubRoutine;
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| 361 | begin
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| 362 | //MTSleep(1 * OneMillisecond);
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| 363 | end;
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| 364 |
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| 365 | procedure TMainForm.ShowException(Sender: TObject; E: Exception);
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| 366 | begin
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| 367 | LastException := E;
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| 368 | LastExceptionSender := Sender;
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| 369 | if MainThreadID <> ThreadID then
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| 370 | TThread.Synchronize(TThreadEx.CurrentThread, DoShowException)
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| 371 | else DoShowException;
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| 372 | end;
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| 373 |
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| 374 | procedure TMainForm.DoShowException;
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| 375 | begin
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| 376 | ShowMessage('Exception "' + LastException.Message + '" in class "' +
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| 377 | LastExceptionSender.ClassName + '"')
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| 378 | end;
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| 379 |
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| 380 | procedure TMainForm.MethodWorker;
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| 381 | var
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| 382 | I: Integer;
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| 383 | Q: Integer;
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| 384 | begin
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| 385 | for I := 0 to MainForm.Iterations - 1 do begin
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| 386 | Q := 0;
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| 387 | while Q < 100000 do Inc(Q);
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| 388 | if MainForm.DoWriteToMemo then
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| 389 | MainForm.Memo1.Lines.Add(IntToStr(GetCurrentMicroThread.Id) + ': ' + IntToStr(Trunc(GetCurrentMicroThread.Completion * 100)) + ' %');
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| 390 | if MainForm.DoWaitForEvent then MainForm.Event.WaitFor(MainForm.WaitForEventDuration * OneMillisecond);
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| 391 | if MainForm.DoSleep then MTSleep(MainForm.SleepDuration * OneMillisecond);
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| 392 | if MainForm.RaiseException then begin
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| 393 | MainForm.RaiseException := False;
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| 394 | raise Exception.Create('Exception from microthread');
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| 395 | end;
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| 396 | if MainForm.DoCriticalSection then begin
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| 397 | try
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| 398 | MainForm.Lock.Acquire;
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| 399 | MTSleep(MainForm.CriticalSectionSleepDuration * OneMillisecond);
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| 400 | finally
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| 401 | MainForm.Lock.Release;
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| 402 | end;
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| 403 | end;
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| 404 | //WorkerSubRoutine;
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| 405 | GetCurrentMicroThread.Completion := I / MainForm.Iterations;
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| 406 | GetCurrentMicroThread.Yield;
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| 407 | end;
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| 408 | end;
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| 409 |
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| 410 | procedure TWorker.Execute;
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| 411 | var
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| 412 | I: Integer;
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| 413 | Q: Integer;
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| 414 | begin
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| 415 | for I := 0 to MainForm.Iterations - 1 do begin
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| 416 | Q := 0;
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| 417 | while Q < 100000 do Inc(Q);
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| 418 | if MainForm.DoWriteToMemo then Synchronize(DoWriteToMemo);
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| 419 | if MainForm.DoWaitForEvent then MainForm.Event.WaitFor(MainForm.WaitForEventDuration * OneMillisecond);
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| 420 | if MainForm.DoSleep then MTSleep(MainForm.SleepDuration * OneMillisecond);
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| 421 | if MainForm.RaiseException then begin
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| 422 | MainForm.RaiseException := False;
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| 423 | raise Exception.Create('Exception from microthread');
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| 424 | end;
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| 425 | if MainForm.DoCriticalSection then begin
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| 426 | try
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| 427 | MainForm.Lock.Acquire;
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| 428 | MTSleep(MainForm.CriticalSectionSleepDuration * OneMillisecond);
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| 429 | finally
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| 430 | MainForm.Lock.Release;
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| 431 | end;
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|---|
| 432 | end;
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|---|
| 433 | //WorkerSubRoutine;
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|---|
| 434 | Completion := I / MainForm.Iterations;
|
|---|
| 435 | Yield;
|
|---|
| 436 | end;
|
|---|
| 437 | end;
|
|---|
| 438 |
|
|---|
| 439 | procedure TWorker.DoWriteToMemo;
|
|---|
| 440 | begin
|
|---|
| 441 | MainForm.Memo1.Lines.Add(IntToStr(Id) + ': ' + IntToStr(Trunc(Completion * 100)) + ' %');
|
|---|
| 442 | end;
|
|---|
| 443 |
|
|---|
| 444 | constructor TWorker.Create(CreateSuspended: Boolean; const StackSize: SizeUInt);
|
|---|
| 445 | begin
|
|---|
| 446 | inherited;
|
|---|
| 447 | end;
|
|---|
| 448 |
|
|---|
| 449 | destructor TWorker.Destroy;
|
|---|
| 450 | begin
|
|---|
| 451 | inherited Destroy;
|
|---|
| 452 | end;
|
|---|
| 453 |
|
|---|
| 454 | end.
|
|---|
| 455 |
|
|---|
