[Python-Dev] Add sendfile() to core?

[Antoine Pitrou]

On Sun, 9 Jan 2011 11:17:40 -0800
Guido van Rossum <guido at python.org> wrote:
> Isn't that just shutil.copyfileobj()?

copyfileobj() still uses an user-space buffer (the Python bytes
object used in the loop).  The advantage of sendfile() is to bypass
user-space logic and do the transfer entirely in kernel.  How much it
allows to gain *in practice* on a modern capable OS such as Linux I
don't know.

Regards

Antoine.