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

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

[Peng Haitao]

The function crypt() is not thread safe.

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.
-- 
1.8.1.4

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

[Michael Kerrisk]

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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