From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Haitao Subject: [PATCH] ttyslot.3: Add description of the function is not thread-safe Date: Thu, 15 Sep 2011 17:41:10 +0800 Message-ID: <4E71C836.90002@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Michael Kerrisk Cc: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org The function calls thread-unsafe function, so it is not thread-safe. Signed-off-by: Peng Haitao --- 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 .\" . .\" -.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 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html