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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/* System-specific socket constants and types. Linux version.
Copyright (C) 1991, 92, 94, 95, 96, 97, 98 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 _SYS_SOCKET_H
# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
#endif
#define __need_size_t
#define __need_NULL
#include <stddef.h>
#include <sys/types.h>
/* Type for length arguments in socket calls. */
typedef unsigned int socklen_t;
/* Types of sockets. */
enum __socket_type
{
SOCK_STREAM = 1, /* Sequenced, reliable, connection-based
byte streams. */
#define SOCK_STREAM SOCK_STREAM
SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams
of fixed maximum length. */
#define SOCK_DGRAM SOCK_DGRAM
SOCK_RAW = 3, /* Raw protocol interface. */
#define SOCK_RAW SOCK_RAW
SOCK_RDM = 4, /* Reliably-delivered messages. */
#define SOCK_RDM SOCK_RDM
SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based,
datagrams of fixed maximum length. */
#define SOCK_SEQPACKET SOCK_SEQPACKET
SOCK_PACKET = 10 /* Linux specific way of getting packets
at the dev level. For writing rarp and
other similar things on the user level. */
#define SOCK_PACKET SOCK_PACKET
};
/* 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_FILE PF_LOCAL /* POSIX 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_ROSE 11 /* Amateur Radio X.25 PLP */
#define PF_DECnet 12 /* Reserved for DECnet project */
#define PF_NETBEUI 13 /* Reserved for 802.2LLC project*/
#define PF_SECURITY 14 /* Security callback pseudo AF */
#define PF_KEY 15 /* PF_KEY key management API */
#define PF_NETLINK 16
#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD */
#define PF_PACKET 17 /* Packet family */
#define PF_MAX 32 /* For now.. */
/* Address families. */
#define AF_UNSPEC PF_UNSPEC
#define AF_LOCAL PF_LOCAL
#define AF_UNIX PF_UNIX
#define AF_FILE PF_FILE
#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_ROSE PF_ROSE
#define AF_DECnet PF_DECnet
#define AF_NETBEUI PF_NETBEUI
#define AF_SECURITY PF_SECURITY
#define pseudo_AF_KEY PF_KEY
#define AF_NETLINK PF_NETLINK
#define AF_ROUTE PF_ROUTE
#define AF_PACKET PF_PACKET
#define AF_MAX PF_MAX
/* Socket level values. Others are defined in the appropriate headers.
XXX These definitions also should go into the appropriate headers as
far as they are available. */
#define SOL_IPV6 41
#define SOL_ICMPV6 58
#define SOL_RAW 255
#define SOL_ROSE 260
#define SOL_DECNET 261
#define SOL_X25 262
/* Maximum queue length specifiable by listen. */
#define SOMAXCONN 128
/* Get the definition of the macro to define the common sockaddr members. */
#include <bits/sockaddr.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. */
socklen_t msg_namelen; /* Length of address data. */
struct iovec *msg_iov; /* Vector of data to send/receive into. */
size_t msg_iovlen; /* Number of elements in the vector. */
__ptr_t msg_control; /* Ancillary data (eg BSD filedesc passing). */
size_t msg_controllen; /* Ancillary data buffer length. */
int msg_flags; /* Flags on received message. */
};
/* Structure used for storage of ancillary data object information. */
struct cmsghdr
{
size_t cmsg_len; /* Length of data in cmsg_data plus length
of cmsghdr structure. */
int cmsg_level; /* Originating protocol. */
int cmsg_type; /* Protocol specific type. */
#if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
unsigned char __cmsg_data[0]; /* Ancillary data. */
/* XXX Perhaps this should be removed. */
#endif
};
/* Ancillary data object manipulation macros. */
#if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data)
#else
# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1))
#endif
#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg)
#define CMSG_FIRSTHDR(mhdr) \
((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \
? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
& ~(sizeof (size_t) - 1))
#define CMSG_SPACE(len) (CMSG_ALIGN (len) \
+ CMSG_ALIGN (sizeof (struct cmsghdr)))
#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
#ifndef _EXTERN_INLINE
# define _EXTERN_INLINE extern __inline
#endif
extern struct cmsghdr *__cmsg_nxthdr __P ((struct msghdr *__mhdr,
struct cmsghdr *__cmsg));
_EXTERN_INLINE struct cmsghdr *
__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)
{
unsigned char *__p;
if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
/* The kernel header does this so there may be a reason. */
return NULL;
__p = (((unsigned char *) __cmsg)
+ ((__cmsg->cmsg_len + sizeof (long int) - 1) & ~sizeof (long int)));
if (__p >= (unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)
/* No more entries. */
return NULL;
return (struct cmsghdr *) __p;
}
/* Socket level message types. This must match the definitions in
<linux/socket.h>. */
enum
{
SCM_RIGHTS = 0x01, /* Data array contains access rights. */
#define SCM_RIGHTS SCM_RIGHTS
__SCM_CREDENTIALS = 0x02, /* Data array is `struct ucred'. */
__SCM_CONNECT = 0x03 /* Data array is `struct scm_connect'. */
};
/* 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. */
};
|
