From: "Lavrentiev, Anton (NIH/NLM/NCBI) [C]" <lavr@ncbi.nlm.nih.gov>
To: "cygwin@cygwin.com" <cygwin@cygwin.com>
Subject: RE: Typo in <sys/select.h>?
Date: Tue, 5 Jul 2022 15:11:35 +0000 [thread overview]
Message-ID: <DM8PR09MB7095676B0B8468FEE2C628C8A5819@DM8PR09MB7095.namprd09.prod.outlook.com> (raw)
> I'm no expert, but it seems the FD_SETSIZE should have been 128.
> Long is 8 bytes, 64 bits. One bit if one open file, 64 * 64 = 4096.
FD_SETSIZE is the file descriptor bitset capacity in _BITS_.
64 (as currently in there) means 1 int (on 64 bit platforms, or 2 ints on 32 bit
platforms, respectively), and is capable of representing 64 file descriptors by
default.
Anton Lavrentiev
Contractor NIH/NLM/NCBI
next reply other threads:[~2022-07-05 15:11 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 15:11 Lavrentiev, Anton (NIH/NLM/NCBI) [C] [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-07-06 15:57 Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-07-06 17:03 ` Ken Brown
2022-07-06 14:26 Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-07-06 15:07 ` Corinna Vinschen
2022-07-06 14:17 Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-07-06 13:19 Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-07-06 14:17 ` Corinna Vinschen
2022-07-05 14:13 Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-07-05 14:55 ` Andrey Repin
2022-07-05 21:51 ` Ken Brown
2022-07-06 7:42 ` Corinna Vinschen
2022-07-06 14:01 ` Jon Turney
2022-07-06 14:15 ` Corinna Vinschen
2022-07-06 14:22 ` Corinna Vinschen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=DM8PR09MB7095676B0B8468FEE2C628C8A5819@DM8PR09MB7095.namprd09.prod.outlook.com \
--to=lavr@ncbi.nlm.nih.gov \
--cc=cygwin@cygwin.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).