From 7f71fe5bc7f2791a514961803afa6ff73b018e4b Mon Sep 17 00:00:00 2001
From: Elaine Gibson <ypsvlq@gmail.com>
Date: Tue, 14 Apr 2026 19:10:05 +0100
Subject: [PATCH] std.c: fix definition of Sigaction for haiku

---
 lib/std/c.zig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index a017eb7fa10c8bd619c186131215555f9e045222..945df3279831f3ce015f66157ce30ead465a8075 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -3260,8 +3260,8 @@ pub const Sigaction = switch (native_os) {
 
         /// signal handler
         handler: extern union {
-            handler: handler_fn,
-            sigaction: sigaction_fn,
+            handler: ?handler_fn,
+            sigaction: ?sigaction_fn,
         },
 
         /// signal mask to apply
-- 
2.54.0