Hello Zeng Linggang, On 05/13/2015 08:53 AM, Zeng Linggang wrote: > After research, We think getifaddrs() and freeifaddrs() are not > thread-safe. But, there is not markings of getifaddrs() and > freeifaddrs() in glibc document. In cases such as this, it's good to tell me that there is no marking in the glibc manual, but in that case you can skip omit the next two lines: > - getifaddrs: MT-Safe > - freeifaddrs: MT-Safe Patch applied. Thanks! Cheers, Michael > Signed-off-by: Zeng Linggang <zenglg.jy@xxxxxxxxxxxxxx> > --- > man3/getifaddrs.3 | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/man3/getifaddrs.3 b/man3/getifaddrs.3 > index ae6ac8e..0437b08 100644 > --- a/man3/getifaddrs.3 > +++ b/man3/getifaddrs.3 > @@ -167,6 +167,20 @@ the implementation supported only IPv4 addresses; > IPv6 support was added in glibc 2.3.3. > Support of address families other than IPv4 is available only > on kernels that support netlink. > +.SH ATTRIBUTES > +For an explanation of the terms used in this section, see > +.BR attributes (7). > +.TS > +allbox; > +lbw27 lb lb > +l l l. > +Interface Attribute Value > +T{ > +.BR getifaddrs (), > +.BR freeifaddrs () > +T} Thread safety MT-Safe > +.TE > + > .SH CONFORMING TO > Not in POSIX.1-2001. > This function first appeared in BSDi and is > -- 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@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html