After research, We think getifaddrs() and freeifaddrs() are not
thread-safe. But, there is not markings of getifaddrs() and
freeifaddrs() in glibc document.
- getifaddrs: MT-Safe
- freeifaddrs: MT-Safe
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
--
1.8.4.2
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