sysdeps/unix/sysv/linux/errqueue.h

   1 /* Copyright (C) 2000-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 /* Linux version.  */
  19
  20 #ifndef _BITS_ERRQUEUE_H
  21 #define _BITS_ERRQUEUE_H  1
  22
  23 #include <sys/types.h>
  24 #include <sys/socket.h>
  25
  26 struct sock_extended_err
  27   {
  28     uint32_t ee_errno;
  29     uint8_t ee_origin;
  30     uint8_t ee_type;
  31     uint8_t ee_code;
  32     uint8_t ee_pad;
  33     uint32_t ee_info;
  34     uint32_t ee_data;
  35   };
  36
  37 #define SO_EE_ORIGIN_NONE  0
  38 #define SO_EE_ORIGIN_LOCAL 1
  39 #define SO_EE_ORIGIN_ICMP  2
  40 #define SO_EE_ORIGIN_ICMP6 3
  41
  42 #define SO_EE_OFFENDER(see)     \
  43   ((struct sockaddr *)(((struct sock_extended_err)(see))+1))
  44
  45 #endif /* bits/errqueue.h */