From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [PATCH] rand.3: ATTRIBUTES: Note macros that are thread-safe Date: Fri, 15 Aug 2014 20:29:15 +0200 Message-ID: <53EE517B.3090601@gmail.com> References: <1407317081-16194-1-git-send-email-penght@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1407317081-16194-1-git-send-email-penght-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peng Haitao Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, carlos-v2tUB8YBRSi3e3T8WW9gsA@public.gmane.org, qianl.fnst-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org, linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org Thanks, Haitao. Applied (in my local branch). Cheers, Michael On 08/06/2014 11:24 AM, Peng Haitao wrote: > The functions rand(), rand_r() and srand() are thread safe. > > Signed-off-by: Peng Haitao > --- > man3/rand.3 | 16 +++++++++++++++- > 1 file changed, 15 insertions(+), 1 deletion(-) > > diff --git a/man3/rand.3 b/man3/rand.3 > index afa41a7..62e6331 100644 > --- a/man3/rand.3 > +++ b/man3/rand.3 > @@ -81,7 +81,7 @@ function is automatically seeded with a value of 1. > .PP > The function > .BR rand () > -is not reentrant or thread-safe, since it > +is not reentrant, since it > uses hidden state that is modified on each call. > This might just be the seed value to be used by the next call, > or it might be something more elaborate. > @@ -126,6 +126,20 @@ functions return a value between 0 and > The > .BR srand () > function returns no value. > +.SH ATTRIBUTES > +For an explanation of the terms used in this section, see > +.BR attributes (7). > +.TS > +allbox; > +lbw25 lb lb > +l l l. > +Interface Attribute Value > +T{ > +.BR rand (), > +.BR rand_r (), > +.BR srand () > +T} Thread safety MT-Safe > +.TE > .SH CONFORMING TO > The functions > .BR rand () > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- 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