Editando: tcpsockopt_dragonfly.go
// 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. package net import ( "runtime" "syscall" "time" ) func setKeepAlivePeriod(fd *netFD, d time.Duration) error { // The kernel expects milliseconds so round to next highest // millisecond. msecs := int(roundDurationUp(d, time.Millisecond)) if err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, msecs); err != nil { return wrapSyscallError("setsockopt", err) } err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, msecs) runtime.KeepAlive(fd) return wrapSyscallError("setsockopt", err) }
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