From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
To: Dave Martin <Dave.Martin@arm.com>
Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 01/14] prctl.2: tfix clarify that prctl can apply to threads
Date: Wed, 13 May 2020 10:30:20 +0200 [thread overview]
Message-ID: <d15dd1a7-4358-f08c-9149-4a70a7c339ee@gmail.com> (raw)
In-Reply-To: <1589301419-24459-2-git-send-email-Dave.Martin@arm.com>
On 5/12/20 6:36 PM, Dave Martin wrote:
> The current synopsis for prctl(2) misleadingly claims that prctl
> operates on a process. Rather, some (in fact, most) prctls operate
> on a thread.
>
> The wording probably dates back to the old days when Linux didn't
> really have threads at all.
>
> Reword as appropriate.
Thanks, Dave. Patch applied.
Cheers,
Michael
> Signed-off-by: Dave Martin <Dave.Martin@arm.com>
> ---
> man2/prctl.2 | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/man2/prctl.2 b/man2/prctl.2
> index 7a5af76..7932ada 100644
> --- a/man2/prctl.2
> +++ b/man2/prctl.2
> @@ -53,7 +53,7 @@
> .\"
> .TH PRCTL 2 2020-04-11 "Linux" "Linux Programmer's Manual"
> .SH NAME
> -prctl \- operations on a process
> +prctl \- operations on a process or thread
> .SH SYNOPSIS
> .nf
> .B #include <sys/prctl.h>
> @@ -63,6 +63,10 @@ prctl \- operations on a process
> .fi
> .SH DESCRIPTION
> .BR prctl ()
> +manipulates various aspects of the behavior
> +of the calling thread or process.
> +.PP
> +.BR prctl ()
> is called with a first argument describing what to do
> (with values defined in \fI<linux/prctl.h>\fP), and further
> arguments with a significance depending on the first one.
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
next prev parent reply other threads:[~2020-05-13 8:30 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 16:36 [PATCH 00/14] prctl.2 man page updates for Linux 5.6 Dave Martin
2020-05-12 16:36 ` [PATCH 01/14] prctl.2: tfix clarify that prctl can apply to threads Dave Martin
2020-05-13 8:30 ` Michael Kerrisk (man-pages) [this message]
2020-05-12 16:36 ` [PATCH 02/14] prctl.2: Add health warning Dave Martin
2020-05-13 10:10 ` Michael Kerrisk (man-pages)
2020-05-13 11:13 ` Dave Martin
2020-05-13 11:40 ` Michael Kerrisk (man-pages)
2020-05-13 11:41 ` Dave Martin
2020-05-12 16:36 ` [PATCH 03/14] prctl.2: tfix mis-description of thread ID values in procfs Dave Martin
2020-05-13 8:36 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 04/14] prctl.2: srcfix add comments for navigation Dave Martin
2020-05-13 10:09 ` Michael Kerrisk (man-pages)
2020-05-13 10:56 ` Dave Martin
2020-05-13 11:03 ` Michael Kerrisk (man-pages)
2020-05-13 11:15 ` Dave Martin
2020-05-13 11:48 ` Michael Kerrisk (man-pages)
2020-05-13 11:51 ` Dave Martin
2020-05-12 16:36 ` [PATCH 05/14] prctl.2: tfix listing order of prctls Dave Martin
2020-05-13 10:10 ` Michael Kerrisk (man-pages)
2020-05-13 11:21 ` Dave Martin
2020-05-13 11:31 ` Michael Kerrisk (man-pages)
2020-05-13 11:45 ` Dave Martin
2020-05-12 16:36 ` [PATCH 06/14] prctl.2: ffix quotation mark tweaks Dave Martin
2020-05-13 10:11 ` Michael Kerrisk (man-pages)
2020-05-13 11:39 ` Dave Martin
2020-05-13 11:46 ` Michael Kerrisk (man-pages)
2020-05-13 11:51 ` Dave Martin
2020-05-12 16:36 ` [PATCH 07/14] prctl.2: Document removal of Intel MPX prctls Dave Martin
2020-05-12 16:41 ` Dave Hansen
2020-05-13 10:11 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 08/14] prctl.2: Work around bogus constant "maxsig" in PR_SET_PDEATHSIG Dave Martin
2020-05-13 10:30 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 09/14] prctl.2: tfix minor punctuation in SPECULATION_CTRL prctls Dave Martin
2020-05-13 10:31 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 10/14] prctl.2: Add PR_SPEC_INDIRECT_BRANCH for " Dave Martin
2020-05-13 11:21 ` Michael Kerrisk (man-pages)
2020-05-13 11:49 ` Dave Martin
2020-05-13 12:06 ` Michael Kerrisk (man-pages)
2020-05-13 13:53 ` Dave Martin
2020-05-12 16:36 ` [PATCH 11/14] prctl.2: Add PR_SPEC_DISABLE_NOEXEC " Dave Martin
2020-05-12 16:36 ` [PATCH 12/14] prctl.2: Clarify the unsupported hardware case of EINVAL Dave Martin
2020-05-13 10:48 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 13/14] prctl.2: Add SVE prctls (arm64) Dave Martin
2020-05-13 8:43 ` Will Deacon
2020-05-13 10:46 ` Dave Martin
2020-05-13 11:01 ` Michael Kerrisk (man-pages)
2020-05-13 14:02 ` Dave Martin
2020-05-13 21:11 ` Will Deacon
2020-05-18 16:37 ` Dave Martin
2020-05-26 14:45 ` Dave Martin
2020-05-12 16:36 ` [PATCH 14/14] prctl.2: Add PR_PAC_RESET_KEYS (arm64) Dave Martin
2020-05-13 7:25 ` Will Deacon
2020-05-13 14:36 ` Dave Martin
2020-05-13 21:00 ` Will Deacon
2020-05-18 16:11 ` Dave Martin
2020-05-18 16:29 ` Will Deacon
2020-05-13 11:28 ` [PATCH 00/14] prctl.2 man page updates for Linux 5.6 Michael Kerrisk (man-pages)
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=d15dd1a7-4358-f08c-9149-4a70a7c339ee@gmail.com \
--to=mtk.manpages@gmail.com \
--cc=Dave.Martin@arm.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-man@vger.kernel.org \
/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 NNTP newsgroup(s).