From 3d34216b9a368f0c7ca66ab4d405cffdd62cee15 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 22 Nov 2021 16:11:03 +0100
Subject: [PATCH] LibSystem: Add ErrorOr<T> wrapper for sigaction() :^)

---
 Userland/Libraries/LibSystem/Wrappers.cpp | 6 ++++++
 Userland/Libraries/LibSystem/Wrappers.h   | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/Userland/Libraries/LibSystem/Wrappers.cpp b/Userland/Libraries/LibSystem/Wrappers.cpp
index a614c732e6..bf8207a6e9 100644
--- a/Userland/Libraries/LibSystem/Wrappers.cpp
+++ b/Userland/Libraries/LibSystem/Wrappers.cpp
@@ -35,4 +35,10 @@ ErrorOr<void> unveil(StringView path, StringView permissions)
     HANDLE_SYSCALL_RETURN_VALUE("unveil"sv, rc);
 }
 
+ErrorOr<void> sigaction(int signal, struct sigaction const* action, struct sigaction* old_action)
+{
+    int rc = syscall(SC_sigaction, signal, action, old_action);
+    HANDLE_SYSCALL_RETURN_VALUE("sigaction"sv, rc);
+}
+
 }
diff --git a/Userland/Libraries/LibSystem/Wrappers.h b/Userland/Libraries/LibSystem/Wrappers.h
index bc32d10681..0eca7977ce 100644
--- a/Userland/Libraries/LibSystem/Wrappers.h
+++ b/Userland/Libraries/LibSystem/Wrappers.h
@@ -7,10 +7,12 @@
 #pragma once
 
 #include <AK/Error.h>
+#include <signal.h>
 
 namespace System {
 
 ErrorOr<void> pledge(StringView promises, StringView execpromises);
 ErrorOr<void> unveil(StringView path, StringView permissions);
+ErrorOr<void> sigaction(int signal, struct sigaction const* action, struct sigaction* old_action);
 
 }