Re: [PATCH] crypt.3: ATTRIBUTES: Note function that is not thread-safe

[Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 05/06/13 10:03, Peng Haitao wrote:
> The function crypt() is not thread safe.


Applied to my local branch for this work.

Thank you, Peng.

Cheers,

Michael


> Signed-off-by: Peng Haitao <penght-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
> ---
>  man3/crypt.3 | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/man3/crypt.3 b/man3/crypt.3
> index ca52b92..ed02440 100644
> --- a/man3/crypt.3
> +++ b/man3/crypt.3
> @@ -160,6 +160,15 @@ function was not implemented, probably because of U.S.A. export restrictions.
>  .\" .PP
>  .\" Making encrypted data computed using crypt() publicly available has
>  .\" to be considered insecure for the given reasons.
> +.SH ATTRIBUTES
> +.SS Multithreading (see pthreads(7))
> +The
> +.BR crypt ()
> +function is not thread-safe.
> +.LP
> +The
> +.BR crypt_r ()
> +function is thread-safe.
>  .SH CONFORMING TO
>  .BR crypt ():
>  SVr4, 4.3BSD, POSIX.1-2001.
> 

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