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
7package net
8
9import (
10	"internal/itoa"
11	"syscall"
12	"time"
13)
14
15func setNoDelay(_ *netFD, _ bool) error {
16	return syscall.EPLAN9
17}
18
19// Set keep alive period.
20func setKeepAliveIdle(fd *netFD, d time.Duration) error {
21	if d < 0 {
22		return nil
23	}
24
25	cmd := "keepalive " + itoa.Itoa(int(d/time.Millisecond))
26	_, e := fd.ctl.WriteAt([]byte(cmd), 0)
27	return e
28}
29
30func setKeepAliveInterval(_ *netFD, d time.Duration) error {
31	if d < 0 {
32		return nil
33	}
34	return syscall.EPLAN9
35}
36
37func setKeepAliveCount(_ *netFD, n int) error {
38	if n < 0 {
39		return nil
40	}
41	return syscall.EPLAN9
42}
43