From 21d7adf882f9f724af470daabf4819800dc59d4d Mon Sep 17 00:00:00 2001
From: Zedhugh Chen <zedhugh@gmail.com>
Date: Sun, 25 Jan 2026 11:25:56 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=E4=B8=8D=E5=BF=85=E8=A6=81?=
 =?UTF-8?q?=E7=9A=84=E5=AD=90=E8=BF=9B=E7=A8=8B=E4=BF=A1=E5=8F=B7?=
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glib 会自动处理子进程资源，无需手动处理，手动处理不当反而会造成 bug
---
 src/wm.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/src/wm.c b/src/wm.c
index 1a78b0d..41fd1c5 100644
--- a/src/wm.c
+++ b/src/wm.c
@@ -50,9 +50,6 @@ wm_t wm;
 /** argv used to run wm */
 static char **cmd_argv;
 
-/** A pipe that is used to asynchronously handle SIGCHLD */
-static int sigchld_pipe[2];
-
 static gboolean restart_on_signal(gpointer data) {
   wm_restart();
   return TRUE;
@@ -69,14 +66,6 @@ static void signal_fatal(int signal_number) {
   fatal("signal %d, dumping backtrace\n%s", signal_number, buffer.s);
 }
 
-/* Signal handler for SIGCHLD. Causes reap_children() to be called. */
-static void signal_child(int signum) {
-  assert(signum == SIGCHLD);
-  int res = write(sigchld_pipe[1], " ", 1);
-  (void)res;
-  assert(res == 1);
-}
-
 static guint sources[3] = {0};
 
 void wm_setup_signal(void) {
@@ -92,10 +81,6 @@ void wm_setup_signal(void) {
   sigaction(SIGILL, &sa, 0);
   sigaction(SIGSEGV, &sa, 0);
   signal(SIGPIPE, SIG_IGN);
-
-  sa.sa_handler = signal_child;
-  sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
-  sigaction(SIGCHLD, &sa, 0);
 }
 
 void wm_check_other_wm(void) {