src/net/fd_posix.go

// 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.

// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows

package net

import (
	"io"
	"syscall"
)

// eofError returns io.EOF when fd is available for reading end of
// file.
func (fd *netFD) eofError(n int, err error) error {
	if n == 0 && err == nil && fd.sotype != syscall.SOCK_DGRAM && fd.sotype != syscall.SOCK_RAW {
		return io.EOF
	}
	return err
}