//go:build windows

package main

import (
	"fmt"
	"os"
)

func acquireLock(path string) (func(), error) {
	file, err := os.OpenFile(path, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0o600)
	if err != nil {
		return nil, fmt.Errorf("another test harness process may hold %s: %w", path, err)
	}
	return func() {
		_ = file.Close()
		_ = os.Remove(path)
	}, nil
}