From 08b2fd46ab79e1f381e360c01a4f66abff8cb4b7 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Fri, 3 Oct 2025 22:15:38 +0100
Subject: [PATCH] std.c: Add missing SIG constants for serenity

---
 lib/std/c.zig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index cf7959fcc1..a3f98c7564 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -3121,8 +3121,17 @@ pub const SIG = switch (native_os) {
         pub const UNBLOCK = 2;
         pub const SETMASK = 3;
     },
+    // https://github.com/SerenityOS/serenity/blob/046c23f567a17758d762a33bdf04bacbfd088f9f/Kernel/API/POSIX/signal.h
     // https://github.com/SerenityOS/serenity/blob/046c23f567a17758d762a33bdf04bacbfd088f9f/Kernel/API/POSIX/signal_numbers.h
     .serenity => struct {
+        pub const DFL: ?Sigaction.handler_fn = @ptrFromInt(0);
+        pub const ERR: ?Sigaction.handler_fn = @ptrFromInt(maxInt(usize));
+        pub const IGN: ?Sigaction.handler_fn = @ptrFromInt(1);
+
+        pub const BLOCK = 1;
+        pub const UNBLOCK = 2;
+        pub const SETMASK = 3;
+
         pub const INVAL = 0;
         pub const HUP = 1;
         pub const INT = 2;