mirror of https://github.com/tidwall/evio.git
21 lines
663 B
Go
21 lines
663 B
Go
// Copyright 2017 Joshua J Baker. All rights reserved.
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package internal
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import "syscall"
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// SetKeepAlive sets the keepalive for the connection
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func SetKeepAlive(fd, secs int) error {
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if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, 0x8, 1); err != nil {
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return err
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}
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switch err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, 0x101, secs); err {
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case nil, syscall.ENOPROTOOPT: // OS X 10.7 and earlier don't support this option
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default:
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return err
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}
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return syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE, secs)
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}
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