zrepl/internal/util/tcpsock/tcpsock_freebind_linux.go
2024-10-18 19:21:17 +02:00

21 lines
389 B
Go

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