1 // Copyright 2019 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4 5 package robustio
6 7 import (
8 "errors"
9 "syscall"
10 )
11 12 const errFileNotFound = syscall.ENOENT
13 14 // isEphemeralError returns true if err may be resolved by waiting.
15 func isEphemeralError(err error) bool {
16 var errno syscall.Errno
17 if errors.As(err, &errno) {
18 return errno == errFileNotFound
19 }
20 return false
21 }
22