robustio_windows.go raw

   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  }
  28