From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/signal/signal.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 src/signal/signal.c

(limited to 'src/signal/signal.c')

diff --git a/src/signal/signal.c b/src/signal/signal.c
new file mode 100644
index 0000000..7a6dd17
--- /dev/null
+++ b/src/signal/signal.c
@@ -0,0 +1,13 @@
+#include <signal.h>
+#include "syscall.h"
+
+void (*signal(int sig, void (*func)(int)))(int)
+{
+	struct sigaction sa_old, sa = { .sa_handler = func, .sa_flags = SA_RESTART };
+	if (__sigaction(sig, &sa, &sa_old) < 0)
+		return SIG_ERR;
+	return sa_old.sa_handler;
+}
+
+weak_alias(signal, bsd_signal);
+weak_alias(signal, __sysv_signal);
-- 
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