Re: select() efficiency / epoll

Willy Tarreau
2005-08-23T19:13:08Z

Hi,

On Tue, Aug 23, 2005 at 06:01:15AM -0500, Davy Durham wrote:
> I just mean that when I debug and catch the segv, it's dies because
> some pointers now have corrupted values. (usually because something is
> overwriting some memory some where)
>
> I'm currently re-writing some code to make it use select() instead of
> epoll_wait() and see if everything is suddently fixed. If so, then I
> will suspect that epoll has a problem. But it's still not ruled out
> being my fault since it could be a timing issue that makes the crash
> show up.

Just out of curiosity, have you had the opportunity to read some other
code which uses epoll ? Maybe reading others code could enlighten you
on potential bugs in your code, potential races, etc...

Regards,
Willy