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