如何创建数据提振线程？ [英] How to create a boost thread with data?

问题描述

我正在与升压::绑定和创建线程的一些问题。

I'm running into some issues with boost::bind and creating threads.

从本质上讲，我想呼吁一个扫描仪对象的扫描功能，使用
绑定。

Essentially, I would like to call a "scan" function on a "Scanner" object, using bind.

事情是这样的：

  Scanner scanner;
   int id_to_scan = 1;

   boost::thread thr1(boost::bind(&scanner::scan));

不过，我越来越对语法绊倒。如何将数据传递到扫描？作为构造的一部分？

However, I'm getting tripped up on syntax. How do I pass the data into scan? As part of the constructor?

推荐答案

记住的第一个参数的成员函数的对象。

Keep in mind that the first argument to any member function is the object.

所以，如果你想打电话：

So if you wanted to call:

scanner* s;
s->scan()

使用绑定你可以使用：

with bind you would use:

boost::bind(&scanner::scan, s);

如果你想打电话：

s->scan(42);

使用：

boost::bind(&scanner::scan, s, 42);

由于我经常要结合创建绑定对象的对象上调用，我经常这样做：

Since I often want bind to be called on the object creating the bind object, I often do this:

boost::bind(&scanner::scan, this);

祝你好运。

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