github.com/peggyl/go@v0.0.0-20151008231540-ae315999c2d5/src/net/fd_posix.go (about)

     1  // Copyright 2009 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  // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
     6  
     7  package net
     8  
     9  import (
    10  	"io"
    11  	"syscall"
    12  )
    13  
    14  // eofError returns io.EOF when fd is available for reading end of
    15  // file.
    16  func (fd *netFD) eofError(n int, err error) error {
    17  	if n == 0 && err == nil && fd.sotype != syscall.SOCK_DGRAM && fd.sotype != syscall.SOCK_RAW {
    18  		return io.EOF
    19  	}
    20  	return err
    21  }