From a39046f6ad271aec1487f5944c3eb30f342c3fc8 Mon Sep 17 00:00:00 2001
From: Damien Neil <dneil@google.com>
Date: Thu, 20 Mar 2025 12:50:21 -0700
Subject: [PATCH] internal/syscall/windows: set SYNCHRONIZE flag in Deleteat

Change-Id: Ice23659cf089b4f837d73b2db5b6eccd7562164e
Reviewed-on: https://go-review.googlesource.com/c/go/+/659616
Auto-Submit: Damien Neil <dneil@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
---
 src/internal/syscall/windows/at_windows.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/internal/syscall/windows/at_windows.go b/src/internal/syscall/windows/at_windows.go
index edd2e42a88..311e143b9b 100644
--- a/src/internal/syscall/windows/at_windows.go
+++ b/src/internal/syscall/windows/at_windows.go
@@ -194,11 +194,11 @@ func Deleteat(dirfd syscall.Handle, name string) error {
 	var h syscall.Handle
 	err := NtOpenFile(
 		&h,
-		DELETE,
+		SYNCHRONIZE|DELETE,
 		objAttrs,
 		&IO_STATUS_BLOCK{},
 		FILE_SHARE_DELETE|FILE_SHARE_READ|FILE_SHARE_WRITE,
-		FILE_OPEN_REPARSE_POINT|FILE_OPEN_FOR_BACKUP_INTENT,
+		FILE_OPEN_REPARSE_POINT|FILE_OPEN_FOR_BACKUP_INTENT|FILE_SYNCHRONOUS_IO_NONALERT,
 	)
 	if err != nil {
 		return ntCreateFileError(err, 0)
-- 
2.51.0