File: tcpsockopt_solaris.go

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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// TCP socket options for solaris

package net

import (
	"os"
	"syscall"
	"time"
)

// Set keep alive period.
func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
	if err := fd.incref(); err != nil {
		return err
	}
	defer fd.decref()

	// The kernel expects seconds so round to next highest second.
	d += (time.Second - time.Nanosecond)
	secs := int(d.Seconds())

	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.SO_KEEPALIVE, secs))
}