libgo/go/net/tcpsockopt_solaris.go

   1 // Copyright 2015 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         "runtime"
   9         "syscall"
  10         "time"
  11 )
  12
  13 func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
  14         // The kernel expects seconds so round to next highest second.
  15         d += (time.Second - time.Nanosecond)
  16         secs := int(d.Seconds())
  17
  18         err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.SO_KEEPALIVE, secs)
  19         runtime.KeepAlive(fd)
  20         return wrapSyscallError("setsockopt", err)
  21 }