On Jul 6 13:19, Lavrentiev, Anton (NIH/NLM/NCBI) [C] via Cygwin wrote:
> > On Linux, select(2) is really only capable to
> > handle file descriptors numbers up to descriptor number 1023,
>
> That is not true. While FD_SETSIZE is defined as a fixed constant,
> Linux kernel does not actually "know" (or care) about it.
$ rpm -q man-pages
man-pages-5.12-2.fc35.noarch
$ man 2 select
[...]
DESCRIPTION
WARNING: select() can monitor only file descriptors numbers that are
less than FD_SETSIZE (1024)—an unreasonably low limit for many modern
applications—and this limitation will not change. All modern applica‐
tions should instead use poll(2) or epoll(7), which do not suffer this
limitation.
[...]
Corinna
--
Problem reports: https://cygwin.com/problems.html
FAQ: https://cygwin.com/faq/
Documentation: https://cygwin.com/docs.html
Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
