From 75c3db6a55685361ac54f6d7f7f795729f50152f Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Mon, 19 Oct 2026 10:38:11 +0000
Subject: adapt selfpipe and signal process to sigchld handler

---
 src/signal/handler.cc | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src/signal/handler.cc

(limited to 'src/signal/handler.cc')

diff --git a/src/signal/handler.cc b/src/signal/handler.cc
new file mode 100644
index 0000000..294ae53
--- /dev/null
+++ b/src/signal/handler.cc
@@ -0,0 +1,32 @@
+#include "signal_handler.h"
+
+#include <print>
+#include <signal.h>
+#include <cstdio>
+
+using namespace std;
+
+namespace ov4
+{
+
+void process_signal()
+{
+    /*
+     * do NOT swap these statements
+     * otherwise, if process then unset flag, and another signal delivered
+     * it won't be processed
+     */
+    if (check_signal_delivered(SIGCHLD))
+    {
+        unset_signal_delivered(SIGCHLD);
+        process_sigchld();
+    }
+}
+
+void process_sigchld()
+{
+    print("hi\r\n");
+    fflush(stdout);
+}
+
+}
\ No newline at end of file
-- 
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