clash/component/dialer/reuse_unix.go

29 lines
661 B
Go

//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package dialer
import (
"net"
"syscall"
"golang.org/x/sys/unix"
)
func addrReuseToListenConfig(lc *net.ListenConfig) {
chain := lc.Control
lc.Control = func(network, address string, c syscall.RawConn) (err error) {
defer func() {
if err == nil && chain != nil {
err = chain(network, address, c)
}
}()
return c.Control(func(fd uintptr) {
unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEADDR, 1)
unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1)
})
}
}