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 func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
14 // The kernel expects milliseconds so round to next highest
16 msecs := int(roundDurationUp(d, time.Millisecond))
17 if err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, msecs); err != nil {
18 return wrapSyscallError("setsockopt", err)
20 err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, msecs)
22 return wrapSyscallError("setsockopt", err)