Re: [PATCH] ttyslot.3: Add description of the function is not thread-safe

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On Thu, Sep 15, 2011 at 11:41 AM, Peng Haitao <penght@xxxxxxxxxxxxxx> wrote:
>
> The function calls thread-unsafe function, so it is not thread-safe.

Applied.

Thanks,

Michael


> Signed-off-by: Peng Haitao <penght@xxxxxxxxxxxxxx>
> ---
>  man3/ttyslot.3 |    9 ++++++++-
>  1 files changed, 8 insertions(+), 1 deletions(-)
>
> diff --git a/man3/ttyslot.3 b/man3/ttyslot.3
> index 516366d..5fa8c25 100644
> --- a/man3/ttyslot.3
> +++ b/man3/ttyslot.3
> @@ -23,7 +23,7 @@
>  .\" This replaces an earlier man page written by Walter Harms
>  .\" <walter.harms@xxxxxxxxxxxxxxxxxxxxxxxxxxx>.
>  .\"
> -.TH TTYSLOT 3 2010-09-20 "GNU" "Linux Programmer's Manual"
> +.TH TTYSLOT 3 2011-09-15 "GNU" "Linux Programmer's Manual"
>  .SH NAME
>  ttyslot \- find the slot of the current user's terminal in some file
>  .SH SYNOPSIS
> @@ -118,6 +118,13 @@ On error (e.g., if none of the file descriptors 0, 1 or 2 is
>  associated with a terminal that occurs in this data base)
>  it returns 0 on UNIX V6 and V7 and BSD-like systems,
>  but \-1 on System V-like systems.
> +.SH ATTRIBUTES
> +.SS Multithreading (see pthreads(7))
> +The
> +.BR ttyslot ()
> +calls thread-unsafe function
> +.BR getttyent (),
> +so it is not thread-safe.
>  .SH "CONFORMING TO"
>  SUSv1; marked as LEGACY in SUSv2; removed in POSIX.1-2001.
>  SUSv2 requires \-1 on error.
> --
> 1.7.1
>
> --
> Best Regards,
> Peng Haitao
>
> --
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-- 
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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