about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/aix/bits/socket.h
blob: febfc7298d085940076cf58d07787d2a615c1901 (plain) (blame)
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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
/* System-specific socket constants and types.  AIX version.
   Copyright (C) 1991,92,94,95,96,97,98,99, 2000 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 __BITS_SOCKET_H
#define __BITS_SOCKET_H

#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_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 <limits.h>
#include <sys/types.h>

/* Type for length arguments in socket calls.  */
#ifndef __socklen_t_defined
typedef __socklen_t socklen_t;
# define __socklen_t_defined
#endif

/* 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_CONN_DGRAM = 6		/* Conneciton datagram.  */
#define SOCK_CONN_DGRAM	SOCK_CONN_DGRAM
};

/* 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 /* Another non-standard name for PF_LOCAL.  */
#define	PF_INET		2	/* IP protocol family.  */
#define PF_IMPLINK	3	/* ARPAnet IMP addresses.  */
#define PF_PUP		4	/* PUP protocols (e.g., BSP).  */
#define PF_CHAOS	5	/* MIT CHAOS protocols.  */
#define PF_NS		6	/* XEROX NS protocols.  */
#define PF_ISO		7	/* ISO protocols.  */
#define PF_OSI		PF_ISO
#define PF_ECMA		8	/* European Computer Manufacturers.  */
#define PF_DATAKIT	9	/* Datakit protocols.  */
#define PF_CCITT	10	/* CCITT protocols, X.25 etc. */
#define PF_SNA		11	/* IBM SNA.  */
#define PF_DECnet	12	/* DECnet.  */
#define PF_DLI		13	/* DEC Direct data link interface.  */
#define PF_LAT		14	/* LAT. */
#define PF_HYLINK	15	/* NSC Hyperchannel.  */
#define PF_APPLETALK	16	/* Apple Talk.  */
#define PF_NETLINK	17	/* Internet Routing Protocol.  */
#define	PF_ROUTE	PF_NETLINK /* Alias to emulate 4.4BSD.  */
#define PF_LINK		18	/* Link layer interface.  */
#define PF_XTP		19	/* eXpress Transfer Protocol (no AF).  */
#define PF_INTF		20	/* Debugging use only.  */
#define PF_RIF		21	/* Raw interface.  */
#define PF_NETWARE	22
#define PF_NDD		23
#define PF_INET6	24	/* IPv6.  */
#define PF_MAX		30	/* 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_IMPLINK      PF_IMPLINK
#define AF_PUP          PF_PUP
#define AF_CHAOS        PF_CHAOS
#define AF_NS           PF_NS
#define AF_ISO          PF_ISO
#define AF_OSI          PF_OSI
#define AF_ECMA         PF_ECMA
#define AF_DATAKIT      PF_DATAKIT
#define AF_CCITT        PF_CCITT
#define AF_SNA          PF_SNA
#define AF_DECnet       PF_DECnet
#define AF_DLI          PF_DLI
#define AF_LAT          PF_LAT
#define AF_HYLINK       PF_HYLINK
#define AF_APPLETALK    PF_APPLETALK
#define AF_NETLINK      PF_NETLINK
#define AF_ROUTE        PF_ROUTE
#define AF_LINK         PF_LINK
#define AF_INTF         PF_INTF
#define AF_RIF          PF_RIF
#define AF_NETWARE      PF_NETWARE
#define AF_NDD          PF_NDD
#define AF_INET6        PF_INET6
#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_SOCKET	0xffff

/* Maximum queue length specifiable by listen.  */
#define SOMAXCONN	1024

/* 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.  */
  };


/* Structure large enough to hold any socket address (with the historical
   exception of AF_UNIX).  We reserve 128 bytes.  */
#if ULONG_MAX > 0xffffffff
# define __ss_aligntype	__uint64_t
#else
# define __ss_aligntype	__uint32_t
#endif
#define _SS_SIZE	128
#define _SS_PADSIZE	(_SS_SIZE - (2 * sizeof (__ss_aligntype)))

struct sockaddr_storage
  {
    __SOCKADDR_COMMON (__ss_);	/* Address family, etc.  */
    __ss_aligntype __ss_align;	/* Force desired alignment.  */
    char __ss_padding[_SS_PADSIZE];
  };


/* Bits in the FLAGS argument to `send', `recv', et al.  */
enum
  {
    MSG_OOB		= 0x01,	/* Process out-of-band data.  */
#define MSG_OOB		MSG_OOB
    MSG_PEEK		= 0x02,	/* Peek at incoming messages.  */
#define MSG_PEEK	MSG_PEEK
    MSG_DONTROUTE	= 0x04,	/* Don't use local routing.  */
#define MSG_DONTROUTE	MSG_DONTROUTE
    MSG_EOR		= 0x08, /* End of record.  */
#define	MSG_EOR		MSG_EOR
    MSG_TRUNC		= 0x10,
#define	MSG_TRUNC	MSG_TRUNC
    MSG_CTRUNC		= 0x20,	/* Control data lost before delivery.  */
#define MSG_CTRUNC	MSG_CTRUNC
    MSG_WAITALL		= 0x40, /* Wait for a full request.  */
#define	MSG_WAITALL	MSG_WAITALL
    MSG_MPEG2		= 0x80,	/* Message contain MPEG2 data.  */
#define MSG_MPEG2	MSG_MPEG2
  };


/* Structure describing messages sent by
   `sendmsg' and received by `recvmsg'.  */
struct msghdr
  {
    void *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.  */
    int msg_iovlen;		/* Number of elements in the vector.  */

    void *msg_control;		/* Ancillary data (eg BSD filedesc passing). */
    socklen_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
  {
    socklen_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))

extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
				      struct cmsghdr *__cmsg) __THROW;
#ifdef __USE_EXTERN_INLINES
# ifndef _EXTERN_INLINE
#  define _EXTERN_INLINE extern __inline
# endif
_EXTERN_INLINE struct cmsghdr *
__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
{
  if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
    /* The kernel header does this so there may be a reason.  */
    return 0;

  __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
			       + CMSG_ALIGN (__cmsg->cmsg_len));
  if ((unsigned char *) (__cmsg + 1) >= ((unsigned char *) __mhdr->msg_control
					 + __mhdr->msg_controllen)
      || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
	  > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
    /* No more entries.  */
    return 0;
  return __cmsg;
}
#endif	/* Use `extern inline'.  */

/* Socket level message types.  This must match the definitions in
   <linux/socket.h>.  */
enum
  {
    SCM_RIGHTS = 0x01		/* Transfer file descriptors.  */
#define SCM_RIGHTS SCM_RIGHTS
  };

/* Options flags per socket.  */
#define SO_DEBUG	0x0001	/* Turn on debugging info recording.  */
#define SO_ACCEPTCONN	0x0002	/* Socket has had listen().  */
#define SO_REUSEADDR	0x0004	/* Allow local address reuse.  */
#define SO_KEEPALIVE	0x0008	/* Keep connections alive.  */
#define SO_DONTROUTE	0x0010	/* Just use interface addresses.  */
#define SO_BROADCAST	0x0020	/* Permit sending of broadcast msgs.  */
#define SO_USELOOPBACK	0x0040	/* Bypass hardware when possible.  */
#define SO_LINGER	0x0080	/* Linger on close if data present.  */
#define SO_OOBINLINE	0x0100	/* Leave received OOB data in line.  */
#define SO_REUSEPORT	0x0200	/* Allow local address & port reuse.  */
#define SO_USE_IFBUFS	0x0400	/* Interface will supply buffers.  */
#define SO_CKSUMRECV	0x0800	/* Defer checksum until receive.  */
#define SO_NOREUSEADDR	0x1000	/* Prevent local address reuse.  */
#define SO_SNDBUF	0x1001	/* Send buffer size.  */
#define SO_RCVBUF	0x1002	/* Receive buffer size.  */
#define SO_SNDLOWAT	0x1003	/* Send low-water mark.  */
#define SO_RCVLOWAT	0x1004	/* Receive low-water mark.  */
#define SO_SNDTIMEO	0x1005	/* Send timeout.  */
#define SO_RCVTIMEO	0x1006	/* Receive timeout.  */
#define SO_ERROR	0x1007	/* Get error status and clear.  */
#define SO_TYPE		0x1008	/* Get socket type.  */
#define SO_KERNACCEPT	0x2000	/* Derive a in-kernel only socket.  */
#define SO_AUDIT	0x8000	/* Turn on socket auditing.  */


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

#endif	/* bits/socket.h */