summaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/socketbits.h
blob: 3bb92ab7332fed75e4d7391a738798c5e3d9c174 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/* System-specific socket constants and types.  Linux version.
   Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef	_SOCKETBITS_H

#define	_SOCKETBITS_H	1
#include <features.h>

#define	__need_size_t
#include <stddef.h>


__BEGIN_DECLS

/* Types of sockets.  */
enum __socket_type
{
  SOCK_STREAM = 1,		/* Sequenced, reliable, connection-based
				   byte streams.  */
  SOCK_DGRAM = 2,		/* Connectionless, unreliable datagrams
				   of fixed maximum length.  */
  SOCK_RAW = 3,			/* Raw protocol interface.  */
  SOCK_RDM = 4,			/* Reliably-delivered messages.  */
  SOCK_SEQPACKET = 5,		/* Sequenced, reliable, connection-based,
				   datagrams of fixed maximum length.  */
  SOCK_PACKET = 10		/* Linux specific way of getting packets
				   at the dev level.  For writing rarp and
				   other similar things on the user level. */
};

/* Protocol families.  */
#define	PF_UNSPEC	0	/* Unspecified.  */
#define	PF_LOCAL	1	/* Local to host (pipes and file-domain).  */
#define	PF_UNIX		PF_LOCAL /* Old BSD name for PF_LOCAL.  */
#define	PF_INET		2	/* IP protocol family.  */
#define	PF_AX25		3	/* Amateur Radio AX.25.  */
#define	PF_IPX		4	/* Novell Internet Protocol.  */
#define	PF_APPLETALK	5	/* Don't use this.  */
#define	PF_NETROM	6	/* Amateur radio NetROM.  */
#define	PF_BRIDGE	7	/* Multiprotocol bridge.  */
#define	PF_AAL5		8	/* Reserved for Werner's ATM.  */
#define	PF_X25		9	/* Reserved for X.25 project.  */
#define	PF_INET6	10	/* IP version 6.  */
#define	PF_MAX		12	/* For now.. */

/* Address families.  */
#define	AF_UNSPEC	PF_UNSPEC
#define	AF_LOCAL	PF_LOCAL
#define	AF_UNIX		PF_UNIX
#define	AF_INET		PF_INET
#define	AF_AX25		PF_AX25
#define	AF_IPX		PF_IPX
#define	AF_APPLETALK	PF_APPLETALK
#define	AF_NETROM	PF_NETROM
#define	AF_BRIDGE	PF_BRIDGE
#define	AF_AAL5		PF_AAL5
#define	AF_X25		PF_X25
#define	AF_INET6	PF_INET6
#define	AF_MAX		PF_MAX



/* Maximum queue length specifiable by listen.  */
#define SOMAXCONN	128

/* Get the definition of the macro to define the common sockaddr members.  */
#include <sockaddrcom.h>

/* Structure describing a generic socket address.  */
struct sockaddr
  {
    __SOCKADDR_COMMON (sa_);	/* Common data: address family and length.  */
    char sa_data[14];		/* Address data.  */
  };


/* Bits in the FLAGS argument to `send', `recv', et al.  */
enum
  {
    MSG_OOB		= 0x01,	/* Process out-of-band data.  */
    MSG_PEEK		= 0x02,	/* Peek at incoming messages.  */
    MSG_DONTROUTE	= 0x04,	/* Don't use local routing.  */
    MSG_CTRUNC		= 0x08,	/* Control data lost before delivery.  */
    MSG_PROXY		= 0x10	/* Supply or ask second address.  */
  };


/* Structure describing messages sent by
   `sendmsg' and received by `recvmsg'.  */
struct msghdr
  {
    __ptr_t msg_name;		/* Address to send to/receive from.  */
    int msg_namelen;		/* Length of address data.  */
    /* XXX Should be type `size_t' according to POSIX.1g.  */

    struct iovec *msg_iov;	/* Vector of data to send/receive into.  */
    int msg_iovlen;		/* Number of elements in the vector.  */
    /* XXX Should be type `size_t' according to POSIX.1g.  */

    __ptr_t msg_control;	/* Ancillary data (eg BSD filedesc passing). */
    int msg_controllen;		/* Ancillary data buffer length.  */
    /* XXX Should be type `size_t' according to POSIX.1g.  */
    int msg_flags;		/* Flags on received message.  */
  };


/* Get socket manipulation related informations from kernel headers.  */
#include <asm/socket.h>


/* Structure used to manipulate the SO_LINGER option.  */
struct linger
  {
    int l_onoff;		/* Nonzero to linger on close.  */
    int l_linger;		/* Time to linger.  */
  };

__END_DECLS

#endif /* socketbits.h */