doc: Mention renameat2.

* doc/glibc-functions/renameat2.texi: New file.
* doc/gnulib.texi (Glibc stdio.h): Include it.

2 files changed, 20 insertions, 0 deletions

diff --git a/doc/glibc-functions/renameat2.texi b/doc/glibc-functions/renameat2.texi
new file mode 100644
index 0000000000..90f1fc198d
--- /dev/null
+++ b/doc/glibc-functions/renameat2.texi
@@ -0,0 +1,18 @@
+@node renameat2
+@subsection @code{renameat2}
+@findex renameat2
+
+Documentation:@* @uref{https://www.kernel.org/doc/man-pages/online/pages/man2/renameat2.2.html,,man renameat2}
+
+Gnulib module: ---
+
+Portability problems fixed by Gnulib:
+@itemize
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+@item
+This function is missing on all non-glibc platforms:
+glibc 2.27, Mac OS X 10.5, FreeBSD 12.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.4, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
+@end itemize
diff --git a/doc/gnulib.texi b/doc/gnulib.texi
index c5a0af742e..5732006a78 100644
--- a/doc/gnulib.texi
+++ b/doc/gnulib.texi
@@ -5555,6 +5555,7 @@ This list of functions is sorted according to the header that declares them.
 * fwrite_unlocked::
 * getw::
 * putw::
+* renameat2::
 * setbuffer::
 * setlinebuf::
 * sys_errlist::
@@ -5580,6 +5581,7 @@ This list of functions is sorted according to the header that declares them.
 @include glibc-functions/fwrite_unlocked.texi
 @include glibc-functions/getw.texi
 @include glibc-functions/putw.texi
+@include glibc-functions/renameat2.texi
 @include glibc-functions/setbuffer.texi
 @include glibc-functions/setlinebuf.texi
 @include glibc-functions/sys_errlist.texi