From 73d60efd537db356b10f07609a96c2839fade885 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Mon, 29 Jun 2026 00:45:11 -0300
Subject: [PATCH] jobctl: jobctl_getsession

---
 kernel-src/include/kernel/jobctl.h |  1 +
 kernel-src/sys/jobctl.c            | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/kernel-src/include/kernel/jobctl.h b/kernel-src/include/kernel/jobctl.h
index 19079779..d55821df 100644
--- a/kernel-src/include/kernel/jobctl.h
+++ b/kernel-src/include/kernel/jobctl.h
@@ -13,6 +13,7 @@ pid_t jobctl_getpgid(proc_t *proc);
 pid_t jobctl_getsid(proc_t *proc);
 int jobctl_setctty(proc_t *proc, void *ctty, bool steal);
 void *jobctl_getctty(proc_t *proc);
+proc_t *jobctl_getsession(proc_t *proc);
 int jobctl_signal(proc_t *proc, int signal, proc_t *sender);
 proc_t *jobctl_getforeground(proc_t *proc);
 int jobctl_setforeground(proc_t *session, proc_t *pgrp);
diff --git a/kernel-src/sys/jobctl.c b/kernel-src/sys/jobctl.c
index 89bd17b6..3f4dcd17 100644
--- a/kernel-src/sys/jobctl.c
+++ b/kernel-src/sys/jobctl.c
@@ -115,6 +115,19 @@ void *jobctl_getctty(proc_t *proc) {
 	return tty;
 }
 
+proc_t *jobctl_getsession(proc_t *proc) {
+	bool intstatus = interrupt_set(false);
+	spinlock_acquire(&proc->jobctllock);
+
+	proc_t *session = proc->session.leader ? proc->session.leader : proc;
+	PROC_HOLD(session);
+
+	spinlock_release(&proc->jobctllock);
+	interrupt_set(intstatus);
+
+	return session;
+}
+
 pid_t jobctl_getpgid(proc_t *proc) {
 	bool intstatus = interrupt_set(false);
 	spinlock_acquire(&proc->jobctllock);