Re: [patch] wait4.2: Add a note that these functions are deprecated

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Adrian,

I think the idea of your patch is good, but I prefer to use a word
other than "deprecated". The problem is that "deprecated" implies a
standards body or a vendor made a formal statement about this. It's
true that LSB 2.1 says that wait3() is deprecated
(http://refspecs.linuxbase.org/LSB_2.1.0/LSB-generic/LSB-generic/baselib-wait3-3.html),
but wait4() is currently still part of LSB. So, I applied a slightly
modified version of your test:

[[
These functions are nonstandard; use
.BR waitpid (2)
or
.BR waitid (2)
in new programs.
]]

Seem okay?

Cheers,

Michael




On Tue, Sep 18, 2012 at 11:01 PM, Adrian Bunk <bunk@xxxxxxxxxx> wrote:
> ---
>  man2/wait4.2 |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/man2/wait4.2 b/man2/wait4.2
> index 68e49ad..3548396 100644
> --- a/man2/wait4.2
> +++ b/man2/wait4.2
> @@ -31,7 +31,7 @@
>  .\"    Rewrote much of this page, and removed much duplicated text,
>  .\"            replacing with pointers to wait.2
>  .\"
> -.TH WAIT4 2  2010-09-20 "Linux" "Linux Programmer's Manual"
> +.TH WAIT4 2  2012-09-18 "Linux" "Linux Programmer's Manual"
>  .SH NAME
>  wait3, wait4 \- wait for process to change state, BSD style
>  .SH SYNOPSIS
> @@ -150,10 +150,15 @@ On Linux,
>  is a library function implemented on top of the
>  .BR wait4 ()
>  system call.
> +
> +These functions are deprecated (not in POSIX.1-2001), use
> +.BR waitpid (2)
> +in new programs.
>  .SH "SEE ALSO"
>  .BR fork (2),
>  .BR getrusage (2),
>  .BR sigaction (2),
>  .BR signal (2),
>  .BR wait (2),
> +.BR waitpid (2),
>  .BR signal (7)
> --
> 1.7.10.4
>



-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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