blob: b04471c22cd98c00c360beff300ae0514891fe8c (
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package main
import (
"golang.org/x/sys/unix"
"net"
)
func setMark(conn *net.UDPConn, value int) error {
if conn == nil || value == 0 {
return nil
}
file, err := conn.File()
if err != nil {
return err
}
return unix.SetsockoptInt(
int(file.Fd()),
unix.SOL_SOCKET,
unix.SO_MARK,
value,
)
}
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