File
Blob: util/reuse/control_linux.go
| 1 | //go:build linux |
| 2 | |
| 3 | package reuse |
| 4 | |
| 5 | import ( |
| 6 | "strings" |
| 7 | "syscall" |
| 8 | |
| 9 | "golang.org/x/sys/unix" |
| 10 | ) |
| 11 | |
| 12 | func Control(network, address string, c syscall.RawConn) error { |
| 13 | if !strings.HasPrefix(network, "tcp") && !strings.HasPrefix(network, "udp") { |
| 14 | return nil |
| 15 | } |
| 16 | |
| 17 | var err error |
| 18 | c.Control(func(fd uintptr) { |
| 19 | err = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEADDR, 1) |
| 20 | if err != nil { |
| 21 | return |
| 22 | } |
| 23 | |
| 24 | err = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1) |
| 25 | if err != nil { |
| 26 | return |
| 27 | } |
| 28 | }) |
| 29 | return err |
| 30 | } |