github.com/metacubex/mihomo@v1.18.5/component/dialer/reuse_unix.go (about)

     1  //go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
     2  
     3  package dialer
     4  
     5  import (
     6  	"context"
     7  	"net"
     8  	"syscall"
     9  
    10  	"golang.org/x/sys/unix"
    11  )
    12  
    13  func addrReuseToListenConfig(lc *net.ListenConfig) {
    14  	addControlToListenConfig(lc, func(ctx context.Context, network, address string, c syscall.RawConn) error {
    15  		return c.Control(func(fd uintptr) {
    16  			unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEADDR, 1)
    17  			unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1)
    18  		})
    19  	})
    20  }