github.com/zxy12/golang151_with_comment@v0.0.0-20190507085033-721809559d3c/net/sockopt_plan9.go (about)

     1  // Copyright 2014 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 net
     6  
     7  func setKeepAlive(fd *netFD, keepalive bool) error {
     8  	if keepalive {
     9  		_, e := fd.ctl.WriteAt([]byte("keepalive"), 0)
    10  		return e
    11  	}
    12  	return nil
    13  }