On Tue, Sep 6, 2011 at 11:57 AM, Peng Haitao <penght@xxxxxxxxxxxxxx> wrote: > > The function ttyname() uses a static variable "ttyname_buf", so it is not thread-safe. I've applied this patch. Thanks, Michael > Signed-off-by: Peng Haitao <penght@xxxxxxxxxxxxxx> > --- > man3/ttyname.3 | 11 ++++++++++- > 1 files changed, 10 insertions(+), 1 deletions(-) > > diff --git a/man3/ttyname.3 b/man3/ttyname.3 > index 08fb2b7..5047e94 100644 > --- a/man3/ttyname.3 > +++ b/man3/ttyname.3 > @@ -23,7 +23,7 @@ > .\" Modified 2001-12-13, Martin Schulze <joey@xxxxxxxxxxxx> > .\" Added ttyname_r, aeb, 2002-07-20 > .\" > -.TH TTYNAME 3 2008-07-14 "Linux" "Linux Programmer's Manual" > +.TH TTYNAME 3 20011-09-06 "Linux" "Linux Programmer's Manual" > .SH NAME > ttyname, ttyname_r \- return name of a terminal > .SH SYNOPSIS > @@ -70,6 +70,15 @@ File descriptor does not refer to a terminal device. > .B ERANGE > .I buflen > was too small to allow storing the pathname. > +.SH ATTRIBUTES > +.SS Multithreading (see pthreads(7)) > +The > +.BR ttyname () > +function is not thread-safe. > +.LP > +The > +.BR ttyname_r () > +function is thread-safe. > .SH "CONFORMING TO" > 4.2BSD, POSIX.1-2001. > .SH "SEE ALSO" > -- > 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/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html