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Showing content from https://mail.python.org/pipermail/python-dev/2000-July/006086.html below:

[Python-Dev] Adding poll() system call

[Python-Dev] Adding poll() system call [Python-Dev] Adding poll() system callGuido van Rossum guido@beopen.com
Tue, 11 Jul 2000 11:48:47 -0500
> guido wrote:
> > Somehow I don't understand why we need poll() when we have select(),
> > however.  Select() is portable, poll() is Unix specific, but it seems
> > to provide the same functionality.  What am I missing?
> 
> quoting from http://www.nightmare.com/medusa/
> 
>     A major design problem with select(2) is that an fd_set is
>     usually of a fixed maximum size, on many operating systems
>     the kernel needs to rebuilt to raise this limit; even on those
>     that have dynamically adjustable limits, you still need to re-
>     compile your application (because FD_SETSIZE is a macro).

OK.  +1 from me.

--Guido van Rossum (home page: http://dinsdale.python.org/~guido/)



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