From 988c969985fda064ae02aa1c945c827987786dd8 Mon Sep 17 00:00:00 2001
From: JDierkse <j.dierkse@madeo.nl>
Date: Thu, 29 Jan 2026 16:50:27 +0100
Subject: [PATCH] Enable use of DHCPRELEASE

---
 net-dhcp/udhcpc.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net-dhcp/udhcpc.py b/net-dhcp/udhcpc.py
index 55d1f2b..003ccd6 100644
--- a/net-dhcp/udhcpc.py
+++ b/net-dhcp/udhcpc.py
@@ -8,6 +8,8 @@ from os import path
 from select import select
 import threading
 import subprocess
+import signal
+import time
 import logging
 
 from eventfd import EventFD
@@ -135,6 +137,8 @@ class DHCPClient:
             if self.once:
                 self.await_ip()
             else:
+                os.kill(self.proc.pid, signal.SIGUSR2)
+                time.sleep(0.05)
                 self.proc.terminate()
 
             if self.proc.wait(timeout=timeout) != 0: