github.com/zxy12/golang151_with_comment@v0.0.0-20190507085033-721809559d3c/net/tcpsockopt_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  // TCP socket options for plan9
     6  
     7  package net
     8  
     9  import (
    10  	"strconv"
    11  	"time"
    12  )
    13  
    14  // Set keep alive period.
    15  func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
    16  	cmd := "keepalive " + strconv.Itoa(int(d/time.Millisecond))
    17  	_, e := fd.ctl.WriteAt([]byte(cmd), 0)
    18  	return e
    19  }