From 5119cf6ffd0cf92586bc26f3f2d6e1e623fd17a8 Mon Sep 17 00:00:00 2001
From: eshom <eshom@noreply.codeberg.org>
Date: Wed, 18 Mar 2026 22:36:57 +0200
Subject: [PATCH] std.Io.Threaded: syscall with O_TMPFILE flag can return
 OPNOTSUPP

---
 lib/std/Io/Threaded.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/Io/Threaded.zig b/lib/std/Io/Threaded.zig
index b8deda5845..3f47272c12 100644
--- a/lib/std/Io/Threaded.zig
+++ b/lib/std/Io/Threaded.zig
@@ -4704,7 +4704,7 @@ fn dirCreateFileAtomic(
                     try syscall.checkCancel();
                     continue;
                 },
-                .ISDIR, .NOENT => {
+                .ISDIR, .NOENT, .OPNOTSUPP => {
                     // Ambiguous error code. It might mean the file system
                     // does not support O_TMPFILE. Therefore, we must fall
                     // back to not using O_TMPFILE.