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

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

[Peng Haitao]

The function getpass() uses a static variable "buf", so it is not thread-safe.

Signed-off-by: Peng Haitao <penght-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
---
 man3/getpass.3 |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/man3/getpass.3 b/man3/getpass.3
index d363ec4..d07a323 100644
--- a/man3/getpass.3
+++ b/man3/getpass.3
@@ -20,7 +20,7 @@
 .\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
 .\" USA.
 .\"
-.TH GETPASS 3  2010-09-20 "Linux" "Linux Programmer's Manual"
+.TH GETPASS 3  2011-09-06 "Linux" "Linux Programmer's Manual"
 .SH NAME
 getpass \- get a password
 .SH SYNOPSIS
@@ -86,6 +86,11 @@ The process does not have a controlling terminal.
 .\" A
 .\" .BR getpass ()
 .\" function appeared in Version 7 AT&T UNIX.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR getpass ()
+function is not thread-safe.
 .SH "CONFORMING TO"
 Present in SUSv2, but marked LEGACY.
 Removed in POSIX.1-2001.
-- 
1.7.1

-- 
Best Regards,
Peng Haitao

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

[Michael Kerrisk (man-pages)]

On Tue, Sep 6, 2011 at 11:40 AM, Peng Haitao <penght-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> wrote:
>
> The function getpass() uses a static variable "buf", so it is not thread-safe.

Applied.

Thanks,

Michael


> Signed-off-by: Peng Haitao <penght-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
> ---
>  man3/getpass.3 |    7 ++++++-
>  1 files changed, 6 insertions(+), 1 deletions(-)
>
> diff --git a/man3/getpass.3 b/man3/getpass.3
> index d363ec4..d07a323 100644
> --- a/man3/getpass.3
> +++ b/man3/getpass.3
> @@ -20,7 +20,7 @@
>  .\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
>  .\" USA.
>  .\"
> -.TH GETPASS 3  2010-09-20 "Linux" "Linux Programmer's Manual"
> +.TH GETPASS 3  2011-09-06 "Linux" "Linux Programmer's Manual"
>  .SH NAME
>  getpass \- get a password
>  .SH SYNOPSIS
> @@ -86,6 +86,11 @@ The process does not have a controlling terminal.
>  .\" A
>  .\" .BR getpass ()
>  .\" function appeared in Version 7 AT&T UNIX.
> +.SH ATTRIBUTES
> +.SS Multithreading (see pthreads(7))
> +The
> +.BR getpass ()
> +function is not thread-safe.
>  .SH "CONFORMING TO"
>  Present in SUSv2, but marked LEGACY.
>  Removed in POSIX.1-2001.
> --
> 1.7.1
>
> --
> Best Regards,
> Peng Haitao
>



-- 
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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