unit SyncObjects;

interface

uses Windows;

type
  TSynchroObject = class(TObject)
  public
    procedure Acquire; virtual;
    procedure Release; virtual;
  end;

  TCriticalSection = class(TSynchroObject)
  protected
    FSection: TRTLCriticalSection;
  public
    constructor Create;
    destructor Destroy; override;
    procedure Acquire; override;
    procedure Release; override;
    procedure Enter;
    procedure Leave;
  end;

implementation

{ TSynchroObject }

procedure TSynchroObject.Acquire;
begin

end;

procedure TSynchroObject.Release;
begin

end;

{ TCriticalSection }

constructor TCriticalSection.Create;
begin
  InitializeCriticalSection(FSection);
end;

destructor TCriticalSection.Destroy;
begin
  DeleteCriticalSection(FSection);
  inherited Destroy;
end;

procedure TCriticalSection.Acquire;
begin
  EnterCriticalSection(FSection);
end;

procedure TCriticalSection.Release;
begin
  LeaveCriticalSection(FSection);
end;

procedure TCriticalSection.Enter;
begin
  Acquire;
end;

procedure TCriticalSection.Leave;
begin
  Release;
end;

end.