在TThread派生类中重新创建TThread [英] Recreating a TThread Inside a TThread dervied class

问题描述

我创建了一个从TThread类派生的新类，并在构造函数上调用继承的Create(True);"，然后调用"Resume()"，因为我已经覆盖了Execute()调用，现在我想回想一下Execute()(再次运行线程)而不会破坏类实例，因此在新类内部有一个名为"myRestart()"的函数，该函数可调用继承的Create(True);".并使我能够再次调用"Resume()"，然后线程再次工作.

I created a new class derived from TThread class, and on the constructor i call "inherited Create(True);", and then call "Resume()" since i have override the Execute() call, now i wanna recall the Execute() (Run the Thread Again) without destroying the class instance, so i have a function inside the new class called "myRestart()", which recalls "inherited Create(True);" and makes me able to call "Resume()" again and thread works again.

我的问题是，这是安全的做法吗?如果我有该类的多个实例，它也会工作吗?还是有更好的方法呢?

my question is, is this a safe practice? will it work also if i have multiple instances of this class? or is there a better way to do it?

谢谢

推荐答案

不要四处走动.如果您希望线程类中的过程/函数多次运行，请从Execute覆盖中的while()循环中调用它们，并用最合适的同步对象，信号灯或事件向线程发出信号以运行代码，说:

Don't go around doing things like that. If you want procedures/functions in your thread class to run more than once, call them from a while() loop in your Execute override and signal the thread to run the code with a suitable synchro object at the top, a semaphore or event, say:

TmyThread.Execute;
begin
  while true do
  begin
    someEvent.waitFor(INFINITE);
    if terminated then exit;
    doMyProcedure(params);
    doOtherStuff;
  end;
end;

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