master
1/* Socket constants which vary among Linux architectures.
2 Copyright (C) 2019-2025 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _SYS_SOCKET_H
20# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
21#endif
22
23#include <bits/timesize.h>
24
25#define SOL_SOCKET 1
26#define SO_ACCEPTCONN 30
27#define SO_BROADCAST 6
28#define SO_DONTROUTE 5
29#define SO_ERROR 4
30#define SO_KEEPALIVE 9
31#define SO_LINGER 13
32#define SO_OOBINLINE 10
33#define SO_RCVBUF 8
34#define SO_RCVLOWAT 18
35#define SO_REUSEADDR 2
36#define SO_SNDBUF 7
37#define SO_SNDLOWAT 19
38#define SO_TYPE 3
39
40#if (__TIMESIZE == 64 && __WORDSIZE == 32 \
41 && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32))
42# define SO_RCVTIMEO 66
43# define SO_SNDTIMEO 67
44# define SO_TIMESTAMP 63
45# define SO_TIMESTAMPNS 64
46# define SO_TIMESTAMPING 65
47#else
48# if __TIMESIZE == 64
49# define SO_RCVTIMEO 20
50# define SO_SNDTIMEO 21
51# define SO_TIMESTAMP 29
52# define SO_TIMESTAMPNS 35
53# define SO_TIMESTAMPING 37
54# else
55# define SO_RCVTIMEO_OLD 20
56# define SO_SNDTIMEO_OLD 21
57# define SO_RCVTIMEO_NEW 66
58# define SO_SNDTIMEO_NEW 67
59
60# define SO_TIMESTAMP_OLD 29
61# define SO_TIMESTAMPNS_OLD 35
62# define SO_TIMESTAMPING_OLD 37
63# define SO_TIMESTAMP_NEW 63
64# define SO_TIMESTAMPNS_NEW 64
65# define SO_TIMESTAMPING_NEW 65
66
67# ifdef __USE_TIME64_REDIRECTS
68# define SO_RCVTIMEO SO_RCVTIMEO_NEW
69# define SO_SNDTIMEO SO_SNDTIMEO_NEW
70# define SO_TIMESTAMP SO_TIMESTAMP_NEW
71# define SO_TIMESTAMPNS SO_TIMESTAMPNS_NEW
72# define SO_TIMESTAMPING SO_TIMESTAMPING_NEW
73# else
74# define SO_RCVTIMEO SO_RCVTIMEO_OLD
75# define SO_SNDTIMEO SO_SNDTIMEO_OLD
76# define SO_TIMESTAMP SO_TIMESTAMP_OLD
77# define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD
78# define SO_TIMESTAMPING SO_TIMESTAMPING_OLD
79# endif
80# endif
81#endif