[PATCH 1/3] clone.2: document CLONE_PIDFD | CLONE_THREAD

[Kir Kolyshkin <kolyshkin@gmail.com>]

Available since Linux 6.9 [1]. Documented in [2] (added by [3]).

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83b290c9e3b5d95891f
[2]: https://github.com/brauner/man-pages-md/blob/main/clone.md
[3]: https://github.com/brauner/man-pages-md/pull/4

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
---
 man/man2/clone.2 | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/man/man2/clone.2 b/man/man2/clone.2
index 68f86a934..edccde742 100644
--- a/man/man2/clone.2
+++ b/man/man2/clone.2
@@ -864,10 +864,16 @@ .SS The flags mask
 .BR clone ().
 .RE
 .IP
-It is currently not possible to use this flag together with
-.B CLONE_THREAD.
-This means that the process identified by the PID file descriptor
-will always be a thread group leader.
+If
+.B CLONE_PIDFD
+is specified together with
+.BR CLONE_THREAD ,
+the obtained PID file descriptor refers to a specific thread,
+as opposed to a thread-group leader if
+.B CLONE_THREAD
+is not specified.
+This feature is available since Linux 6.9.
+.\" commit 83b290c9e3b5d95891f43a4aeadf6071cbff25d3
 .IP
 If the obsolete
 .B CLONE_DETACHED
@@ -1386,14 +1392,6 @@ .SH ERRORS
 .I flags
 mask.
 .TP
-.B EINVAL
-.B CLONE_PIDFD
-was specified together with
-.B CLONE_THREAD
-in the
-.I flags
-mask.
-.TP
 .BR "EINVAL " "("  clone "() only)"
 .B CLONE_PIDFD
 was specified together with
-- 
2.51.0