From 75df7e502c05e7e6a9b00a5a28854ae4a1aa8ea6 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Sun, 9 Feb 2025 15:05:24 +0000
Subject: [PATCH] std.c: Fix definition of stack_t on OpenBSD

The size field is not supposed to be signed.
See: https://man.openbsd.org/sigaltstack.2
---
 lib/std/c.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index a366c0ca63..e7b62f6728 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -5998,7 +5998,7 @@ pub const IFNAMESIZE = switch (native_os) {
 pub const stack_t = switch (native_os) {
     .linux => linux.stack_t,
     .emscripten => emscripten.stack_t,
-    .freebsd => extern struct {
+    .freebsd, .openbsd => extern struct {
         /// Signal stack base.
         sp: *anyopaque,
         /// Signal stack length.