From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: [UGLY PATCH v3] Support for no-legacy-syscalls archs
Date: Tue, 27 May 2014 13:29:54 +0200 [thread overview]
Message-ID: <20140527112954.GL12324@port70.net> (raw)
In-Reply-To: <20140527052625.GC507@brightrain.aerifal.cx>
* Rich Felker <dalias@libc.org> [2014-05-27 01:26:25 -0400]:
> In the case of epoll, etc. I reworked the code to always prefer the
> new syscalls and only fallback to the old ones if (1) they exist, and
> (2) the new one returned ENOSYS. signalfd already has fallback code
> that handles FD_CLOEXEC as best it can when the new syscall is not
> available, but the others seem to be lacking the proper fallback code
> so I should perhaps add that too.
SOCK_CLOEXEC and SOCK_NONBLOCK fallbacks for socketpair are missing too
> +#ifdef SYS_pausex
> + __syscall(SYS_pause);
> +#else
> + __syscall(SYS_futex, &lock, FUTEX_WAIT, 1, 0);
> +#endif
pausex typo
next prev parent reply other threads:[~2014-05-27 11:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-25 5:42 [UGLY PATCH] " Rich Felker
2014-05-25 9:52 ` Szabolcs Nagy
2014-05-25 9:57 ` Justin Cormack
2014-05-25 11:45 ` Rich Felker
2014-05-26 4:28 ` Rich Felker
2014-05-26 18:40 ` [UGLY PATCH v2] " Rich Felker
2014-05-26 21:13 ` Szabolcs Nagy
2014-05-26 21:54 ` Rich Felker
2014-05-26 22:39 ` Szabolcs Nagy
2014-05-26 22:46 ` Rich Felker
2014-05-27 5:26 ` [UGLY PATCH v3] " Rich Felker
2014-05-27 11:29 ` Szabolcs Nagy [this message]
2014-05-27 19:01 ` Rich Felker
2014-05-29 21:46 ` Rich Felker
2014-05-29 23:04 ` Rich Felker
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=20140527112954.GL12324@port70.net \
--to=nsz@port70.net \
--cc=musl@lists.openwall.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.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/musl/
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 NNTP newsgroup(s).