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// Copyright 2009 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package syscall

// An Errno is an unsigned number describing an error condition.

// It implements the error interface.  The zero Errno is by convention

// a non-error, so code to convert from Errno to error should use:

//      err = nil

//      if errno != 0 {

//              err = errno

//      }

type Errno uintptr

func (e Errno) Error() string {

        return Errstr(int(e))

}

func (e Errno) Temporary() bool {

        return e == EINTR || e == EMFILE || e.Timeout()

}

func (e Errno) Timeout() bool {

        return e == EAGAIN || e == EWOULDBLOCK || e == ETIMEDOUT

}