From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Sun, 7 Dec 2025 20:10:31 +0100
Subject: Add build system scaffolding and libc headers

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

(limited to 'lib/libc/signal/killpg.c')

diff --git a/lib/libc/signal/killpg.c b/lib/libc/signal/killpg.c
new file mode 100644
index 00000000..27b7a76a
--- /dev/null
+++ b/lib/libc/signal/killpg.c
@@ -0,0 +1,13 @@
+#include <errno.h>
+#include <signal.h>
+#include <syscall.h>
+
+int killpg(pid_t pgrp, int sig)
+{
+	if (pgrp < 0) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	return kill(-pgrp, sig);
+}
-- 
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