github.com/liujq9674git/golang-src-1.7@v0.0.0-20230517174348-17f6ec47f3f8/src/net/tcpsockopt_openbsd.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  package net
     6  
     7  import (
     8  	"syscall"
     9  	"time"
    10  )
    11  
    12  func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
    13  	// OpenBSD has no user-settable per-socket TCP keepalive
    14  	// options.
    15  	return syscall.ENOPROTOOPT
    16  }