From 44803dd03baedd42efdac38d49d1ba90f79c2f5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
Date: Mon, 30 Aug 2021 18:08:57 +0200
Subject: [PATCH] ioctl_tty.2: TIOCGSID is equivalent to tcgetsid()
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Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/ioctl_tty.2 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
index ac46725d2..186011ee7 100644
--- a/man2/ioctl_tty.2
+++ b/man2/ioctl_tty.2
@@ -386,6 +386,9 @@ Set the foreground process group ID of this terminal.
 Argument:
 .BI "pid_t *" argp
 .IP
+When successful, equivalent to
+.IR "*argp = tcgetsid(fd)" .
+.IP
 Get the session ID of the given terminal.
 This fails with the error
 .B ENOTTY