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robustio_windows.go (614B)

      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 ERROR_SHARING_VIOLATION = 32
     13 const errFileNotFound = syscall.ERROR_FILE_NOT_FOUND
     14 
     15 // isEphemeralError returns true if err may be resolved by waiting.
     16 func isEphemeralError(err error) bool {
     17 	var errno syscall.Errno
     18 	if errors.As(err, &errno) {
     19 		switch errno {
     20 		case syscall.ERROR_ACCESS_DENIED,
     21 			syscall.ERROR_FILE_NOT_FOUND,
     22 			ERROR_SHARING_VIOLATION:
     23 			return true
     24 		}
     25 	}
     26 	return false
     27 }