From bab84272755aff9dca5ddef545bca9ee91517738 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Wed, 22 May 2024 09:48:35 -0300
Subject: [PATCH] init: create new process group for shell and make it the
 foreground

---
 tools/init/main.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tools/init/main.c b/tools/init/main.c
index 074f29b0..2b6cf090 100644
--- a/tools/init/main.c
+++ b/tools/init/main.c
@@ -81,6 +81,17 @@ int main(int argc, char *argv[]) {
 	}
 
 	if (pid == 0) {
+		// create its own process group and set is as the foreground group
+		if (setpgid(0, 0) == -1) {
+			perror("init: setpgrp failed");
+			return EXIT_FAILURE;
+		}
+
+		if (tcsetpgrp(0, getpid()) == -1) {
+			perror("init: tcsetpgrp failed");
+			return EXIT_FAILURE;
+		}
+
 		execl("/usr/bin/bash", "/usr/bin/bash", "-l", NULL);
 		perror("init: execl /usr/bin/bash failed");
 		return EXIT_FAILURE;