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.
13 // syscall.TCP_KEEPINTVL is missing on some darwin architectures.
14 const sysTCP_KEEPINTVL
= 0x101
16 func setKeepAlivePeriod(fd
*netFD
, d time
.Duration
) error
{
17 // The kernel expects seconds so round to next highest second.
18 secs
:= int(roundDurationUp(d
, time
.Second
))
19 if err
:= fd
.pfd
.SetsockoptInt(syscall
.IPPROTO_TCP
, sysTCP_KEEPINTVL
, secs
); err
!= nil {
20 return wrapSyscallError("setsockopt", err
)
22 err
:= fd
.pfd
.SetsockoptInt(syscall
.IPPROTO_TCP
, syscall
.TCP_KEEPALIVE
, secs
)
24 return wrapSyscallError("setsockopt", err
)