1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libc/termios/tcgetsid.c b/lib/libc/termios/tcgetsid.c
new file mode 100644
index 00000000..076cf360
--- /dev/null
+++ b/lib/libc/termios/tcgetsid.c
@@ -0,0 +1,13 @@
+#include <termios.h>
+#include <syscall.h>
+#include <asm-generic/ioctls.h>
+
+pid_t tcgetsid(int fildes)
+{
+	pid_t sid = 0;
+
+	if (syscall(ioctl, fildes, TIOCGSID, &sid) < 0)
+		return -1;
+
+	return sid;
+}