From 661977b6f44652cf7d14c38e4b888c51e399cdd4 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Sat, 15 Aug 2020 12:33:24 -0400
Subject: sadly Linux-specific implementation

---
 src/termios/tcgetsid.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/termios/tcgetsid.c')

diff --git a/src/termios/tcgetsid.c b/src/termios/tcgetsid.c
index 8b095363..2ebfb425 100644
--- a/src/termios/tcgetsid.c
+++ b/src/termios/tcgetsid.c
@@ -1,8 +1,13 @@
+#include "sys/types.h"
 #include <termios.h>
 
 pid_t tcgetsid(int fildes)
 {
-	return 0;
+	pid_t pid = -1;
+	if (ioctl(fildes, TIOCGPGRP, &pid) == -1) {
+		return (pid_t)-1;
+	}
+	return pid;
 }
 
 /*
-- 
cgit v1.2.1