blob: d5892588feaabd23f9b7d427eaaf2bf11b980548 [file] [log] [blame]
// Copyright 2009 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.
// +build aix freebsd linux netbsd
package net
import (
"runtime"
"syscall"
"time"
)
func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
// The kernel expects seconds so round to next highest second.
d += (time.Second - time.Nanosecond)
secs := int(d.Seconds())
if err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, secs); err != nil {
return wrapSyscallError("setsockopt", err)
}
err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, secs)
runtime.KeepAlive(fd)
return wrapSyscallError("setsockopt", err)
}