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21 lines
389 B
Go
21 lines
389 B
Go
//go:build linux
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// +build linux
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package tcpsock
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import (
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"syscall"
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)
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func freeBind(network, address string, c syscall.RawConn) error {
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var err, sockerr error
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err = c.Control(func(fd uintptr) {
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// apparently, this works for both IPv4 and IPv6
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sockerr = syscall.SetsockoptInt(int(fd), syscall.SOL_IP, syscall.IP_FREEBIND, 1)
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})
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if err != nil {
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return err
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}
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return sockerr
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}
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