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yggdrasil-go/src/core/link_tcp_darwin.go
2024-07-20 12:31:58 +01:00

34 lines
659 B
Go

//go:build darwin
// +build darwin
package core
import (
"syscall"
"golang.org/x/sys/unix"
)
// WARNING: This context is used both by net.Dialer and net.Listen in tcp.go
func (t *linkTCP) tcpContext(network, address string, c syscall.RawConn) error {
var control error
var recvanyif error
control = c.Control(func(fd uintptr) {
// sys/socket.h: #define SO_RECV_ANYIF 0x1104
recvanyif = unix.SetsockoptInt(int(fd), syscall.SOL_SOCKET, 0x1104, 1)
})
switch {
case recvanyif != nil:
return recvanyif
default:
return control
}
}
func (t *linkTCP) getControl(_ string) func(string, string, syscall.RawConn) error {
return t.tcpContext
}