关于lwp请教大家

solaris_10

想问一下牛人,从solaris10开始我门的内核是一个usr thread 对应一个lwp 在对应一个kthread,
为什么不直接是usr thread 对应一个 kthread . 那样不是更简单吗?

Solaris12

原帖由 solaris_10 于 2007-5-13 14:04 发表
想问一下牛人,从solaris10开始我门的内核是一个usr thread 对应一个lwp 在对应一个kthread,
为什么不直接是usr thread 对应一个 kthread . 那样不是更简单吗?

在Solaris 10下，就是你说的这样。

briangao

The implementation of lwp separates the programming interface from the OS implementation. Developers simply write applications using threads. At runtime, these threads are represented by lwps. Otherwse, developers have to know the detailed implementation of Solaris operating system thread model.

Solaris12

原帖由 briangao 于 2007-5-14 23:33 发表
The implementation of lwp separates the programming interface from the OS implementation. Developers simply write applications using threads. At runtime, these threads are represented by lwps. Othe ...

个人觉得，lwp是M:N线程模型的产物。

现在的1:1模型，其实保留lwp更多的意义是向前兼容。

wenyanyao

看不懂,怎么办.