boundif_android.go raw

   1  /* SPDX-License-Identifier: MIT
   2   *
   3   * Copyright (C) 2017-2025 WireGuard LLC. All Rights Reserved.
   4   */
   5  
   6  package conn
   7  
   8  func (s *StdNetBind) PeekLookAtSocketFd4() (fd int, err error) {
   9  	sysconn, err := s.ipv4.SyscallConn()
  10  	if err != nil {
  11  		return -1, err
  12  	}
  13  	err = sysconn.Control(func(f uintptr) {
  14  		fd = int(f)
  15  	})
  16  	if err != nil {
  17  		return -1, err
  18  	}
  19  	return
  20  }
  21  
  22  func (s *StdNetBind) PeekLookAtSocketFd6() (fd int, err error) {
  23  	sysconn, err := s.ipv6.SyscallConn()
  24  	if err != nil {
  25  		return -1, err
  26  	}
  27  	err = sysconn.Control(func(f uintptr) {
  28  		fd = int(f)
  29  	})
  30  	if err != nil {
  31  		return -1, err
  32  	}
  33  	return
  34  }
  35