From 4730937f2d00844d173cec3bcaa0c0d69c1a4349 Mon Sep 17 00:00:00 2001
From: "B. Bergeron" <me@bbergeron.xyz>
Date: Sat, 17 May 2025 09:23:41 -0400
Subject: Prevent child processes from becoming zombies

Ignoring SIGCHLD causes the system to automatically reap child processes
when they terminate, preventing them from becoming zombies.
---
 src/sxwm.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/sxwm.c b/src/sxwm.c
index dd779df..dcf8dbf 100644
--- a/src/sxwm.c
+++ b/src/sxwm.c
@@ -17,6 +17,7 @@
 #include <err.h>
 #include <stdio.h>
 #include <limits.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/wait.h>
@@ -1230,6 +1231,8 @@ void setup(void)
 	evtable[MotionNotify] = hdl_motion;
 	evtable[PropertyNotify] = hdl_root_property;
 	scan_existing_windows();
+
+	signal(SIGCHLD, SIG_IGN); /* Prevent child processes from becoming zombies */
 }
 
 void setup_atoms(void)
-- 
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