Re: [PATCH RFC v3 0/7] epoll: Introduce new syscalls, epoll_ctl_batch and epoll_pwait1

From: Jonathan Corbet
Date: Sun Feb 15 2015 - 17:00:25 EST

On Fri, 13 Feb 2015 17:03:56 +0800
Fam Zheng <famz@xxxxxxxxxx> wrote:

> #include <sys/epoll.h>
> int epoll_pwait1(int epfd, int flags,
> struct epoll_event *events,
> int maxevents,
> struct epoll_wait_params *params);

Quick, possibly dumb question: might it make sense to also pass in
sizeof(struct epoll_wait_params)? That way, when somebody wants to add
another parameter in the future, the kernel can tell which version is in
use and they won't have to do an epoll_pwait2()?


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