动态库破坏C ++标准吗？ [英] Do dynamic libraries break C++ standard?

问题描述

C ++标准 3.6.3 表示

静态持续时间的初始化对象的析构函数main

在Windows上，您可以使用 FreeLibrary 和linux dlclose 以卸载动态链接库。你可以在从main返回之前调用这些函数。

卸载共享库的副作用是运行库中定义的静态对象的所有析构函数。

这是否意味着它违反了C ++标准，因为这些析构函数已经过早运行？解决方案

如果你非常努力这样做，它们只会过早运行 - 默认行为是标准符合。

The C++ standard 3.6.3 states

Destructors for initialized objects of static duration are called as a result of returning from main and as a result of calling exit

On windows you have FreeLibrary and linux you have dlclose to unload a dynamically linked library. And you can call these functions before returning from main.

A side effect of unloading a shared library is that all destructors for static objects defined in the library are run.

Does this mean it violates the C++ standard as these destructors have been run prematurely ?

解决方案

They are only run prematurely if you go to great effort to do so - the default behavior is standard conforming.

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