From 8c83acd3d4e753c0fe52462068c2758ac3762095 Mon Sep 17 00:00:00 2001
From: Iku Iwasa <iku.iwasa@gmail.com>
Date: Sun, 15 Feb 2026 10:41:28 +0900
Subject: [PATCH] Add missing EV flags for NetBSD

- Add FLAG1, ERROR and EOF.
---
 lib/std/c.zig | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index 67d0540676b16cb4d3c545b04cff120ff0fd46a0..f4bdf3969c08e90969862b18a1c5ca6fcc970229 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -9812,13 +9812,16 @@ pub const EV = switch (native_os) {
         pub const ONESHOT = 0x0010;
         /// clear event state after reporting
         pub const CLEAR = 0x0020;
-        /// force immediate event output
-        /// ... with or without ERROR
-        /// ... use KEVENT_FLAG_ERROR_EVENTS
-        ///     on syscalls supporting flags
+        /// force EV_ERROR on success, data=0
         pub const RECEIPT = 0x0040;
         /// disable event after reporting
         pub const DISPATCH = 0x0080;
+        /// filter-specific flag
+        pub const FLAG1 = 0x2000;
+        /// error, data contains errno
+        pub const ERROR = 0x4000;
+        /// EOF detected
+        pub const EOF = 0x8000;
     },
     .freebsd => struct {
         /// add event to kq (implies enable)
-- 
2.54.0