From a835e25e606ba80c8a9a6fe75e647cf532ee1bcf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 13 Oct 2026 20:56:26 +0200
Subject: [PATCH] std.c: define cpu_set_t for dragonfly

---
 lib/std/c.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index 570d798e4ddf38232bf4b65bc01d13d7e6e896d7..df97daac1cfdf40db41437117ffa7bffecc6324d 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -4093,6 +4093,9 @@ pub const clock_t = switch (native_os) {
 pub const cpu_set_t = switch (native_os) {
     .linux => linux.cpu_set_t,
     .emscripten => emscripten.cpu_set_t,
+    .dragonfly => extern struct {
+        ary: [4]u64,
+    },
     else => void,
 };
 pub const dl_phdr_info = switch (native_os) {
-- 
2.54.0