After research, We think putgrent() is thread-safe. But, there
is not marking of putgrent() in glibc document.
Signed-off-by: Zeng Linggang <zenglg.jy@xxxxxxxxxxxxxx>
---
man3/putgrent.3 | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/man3/putgrent.3 b/man3/putgrent.3
index 4688c3a..de379ac 100644
--- a/man3/putgrent.3
+++ b/man3/putgrent.3
@@ -40,6 +40,19 @@ struct group {
.in
.SH RETURN VALUE
The function returns zero on success, and a nonzero value on error.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lb
+l l l.
+Interface Attribute Value
+T{
+.BR putgrent ()
+T} Thread safety MT-Safe
+.TE
+
.SH CONFORMING TO
This function is a GNU extension.
.SH SEE ALSO
--
1.9.3
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