Print this page
| Split |
Close |
| Expand all |
| Collapse all |
--- old/usr/src/uts/common/sys/socket.h
+++ new/usr/src/uts/common/sys/socket.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
23 23 *
24 24 * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
25 25 * Copyright 2015, Joyent, Inc. All rights reserved.
26 26 */
27 27
28 28 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
29 29 /* All Rights Reserved */
30 30
31 31 /*
32 32 * University Copyright- Copyright (c) 1982, 1986, 1988
33 33 * The Regents of the University of California
34 34 * All Rights Reserved
35 35 *
36 36 * University Acknowledgment- Portions of this document are derived from
37 37 * software developed by the University of California, Berkeley, and its
38 38 * contributors.
39 39 */
40 40
41 41 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
42 42
43 43 /*
44 44 * Copyright (c) 2014, Joyent, Inc. All rights reserved.
45 45 */
46 46 #ifndef _SYS_SOCKET_H
47 47 #define _SYS_SOCKET_H
48 48
49 49 #include <sys/types.h>
50 50 #include <sys/uio.h>
51 51 #include <sys/feature_tests.h>
52 52 #include <sys/socket_impl.h>
53 53 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
54 54 #ifndef _KERNEL
55 55 #include <sys/netconfig.h>
56 56 #endif /* !_KERNEL */
57 57 #include <netinet/in.h>
58 58 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
59 59
60 60 #ifdef __cplusplus
61 61 extern "C" {
62 62 #endif
63 63
64 64 #ifndef _SOCKLEN_T
65 65 #define _SOCKLEN_T
66 66
67 67 /*
68 68 * The socklen definitions are reproduced in netinet/in.h for the inet6_
69 69 * functions. Exposing all of sys/socket.h via netinet/in.h breaks existing
70 70 * applications and is not required by austin.
71 71 */
72 72 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64)
73 73 typedef size_t socklen_t;
74 74 #else
75 75 typedef uint32_t socklen_t;
76 76 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */
77 77
78 78 #if defined(_XPG4_2) || defined(_BOOT)
79 79 typedef socklen_t *_RESTRICT_KYWD Psocklen_t;
80 80 #else
81 81 typedef void *_RESTRICT_KYWD Psocklen_t;
82 82 #endif /* defined(_XPG4_2) || defined(_BOOT) */
83 83
84 84 #endif /* _SOCKLEN_T */
85 85
86 86 /*
87 87 * Definitions related to sockets: types, address families, options.
88 88 */
89 89 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
90 90 #ifndef NC_TPI_CLTS
91 91 #define NC_TPI_CLTS 1 /* must agree with netconfig.h */
92 92 #define NC_TPI_COTS 2 /* must agree with netconfig.h */
93 93 #define NC_TPI_COTS_ORD 3 /* must agree with netconfig.h */
94 94 #define NC_TPI_RAW 4 /* must agree with netconfig.h */
95 95 #endif /* !NC_TPI_CLTS */
96 96 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
97 97
98 98 /*
99 99 * Types
100 100 */
101 101 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
102 102 #define SOCK_STREAM NC_TPI_COTS /* stream socket */
103 103 #define SOCK_DGRAM NC_TPI_CLTS /* datagram socket */
104 104 #define SOCK_RAW NC_TPI_RAW /* raw-protocol interface */
105 105 #else
106 106 #define SOCK_STREAM 2 /* stream socket */
107 107 #define SOCK_DGRAM 1 /* datagram socket */
108 108 #define SOCK_RAW 4 /* raw-protocol interface */
109 109 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
110 110 #define SOCK_RDM 5 /* reliably-delivered message */
111 111 #define SOCK_SEQPACKET 6 /* sequenced packet stream */
112 112 #define SOCK_TYPE_MASK 0xffff /* type reside in these bits only */
113 113
114 114 /*
115 115 * Flags for socket() and accept4()
116 116 */
117 117 #define SOCK_CLOEXEC 0x080000 /* like open(2) O_CLOEXEC for socket */
118 118 #define SOCK_NONBLOCK 0x100000 /* like O_NONBLOCK */
119 119 #define SOCK_NDELAY 0x200000 /* like O_NDELAY */
120 120
121 121 /*
122 122 * Option flags per-socket.
123 123 */
124 124 #define SO_DEBUG 0x0001 /* turn on debugging info recording */
125 125 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
126 126 #define SO_REUSEADDR 0x0004 /* allow local address reuse */
127 127 #define SO_KEEPALIVE 0x0008 /* keep connections alive */
128 128 #define SO_DONTROUTE 0x0010 /* just use interface addresses */
129 129 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
130 130 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
131 131 #define SO_LINGER 0x0080 /* linger on close if data present */
132 132 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
133 133 #define SO_DGRAM_ERRIND 0x0200 /* Application wants delayed error */
134 134 #define SO_RECVUCRED 0x0400 /* Application wants ucred of sender */
135 135
136 136 /*
137 137 * Socket options are passed using a signed integer, but it is also rare
138 138 * for more than one to ever be passed at the same time with setsockopt
139 139 * and only one at a time can be retrieved with getsockopt.
140 140 *
141 141 * Since the lower numbers cannot be renumbered for compatibility reasons,
142 142 * it would seem that we need to start a new number space (0x40000000 -
143 143 * 0x7fffffff) for those that don't need to be stored as a bit flag
144 144 * somewhere. This limits the flag options to 30 but that seems to be
145 145 * plenty, anyway. 0x40000000 is reserved for future use.
146 146 */
147 147 #define SO_ATTACH_FILTER 0x40000001
148 148 #define SO_DETACH_FILTER 0x40000002
149 149
150 150 #ifdef _KERNEL
151 151 #define SO_SND_COPYAVOID 0x0800 /* Internal: use zero-copy */
152 152 #define SO_SND_BUFINFO 0x1000 /* Internal: get buffer info */
153 153 /* when doing zero-copy */
154 154
155 155 struct so_snd_bufinfo {
156 156 ushort_t sbi_wroff; /* Write offset */
157 157 ssize_t sbi_maxblk; /* Max size of a single mblk */
158 158 ssize_t sbi_maxpsz; /* Max total size of a mblk chain */
159 159 ushort_t sbi_tail; /* Extra space available at the end */
160 160 };
161 161 #endif /* _KERNEL */
162 162
163 163 /*
164 164 * N.B.: The following definition is present only for compatibility
165 165 * with release 3.0. It will disappear in later releases.
166 166 */
167 167 #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */
168 168
169 169 /*
170 170 * Additional options, not kept in so_options.
171 171 */
172 172 #define SO_SNDBUF 0x1001 /* send buffer size */
173 173 #define SO_RCVBUF 0x1002 /* receive buffer size */
174 174 #define SO_SNDLOWAT 0x1003 /* send low-water mark */
175 175 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
176 176 #define SO_SNDTIMEO 0x1005 /* send timeout */
177 177 #define SO_RCVTIMEO 0x1006 /* receive timeout */
178 178 #define SO_ERROR 0x1007 /* get error status and clear */
179 179 #define SO_TYPE 0x1008 /* get socket type */
180 180 #define SO_PROTOTYPE 0x1009 /* get/set protocol type */
181 181 #define SO_ANON_MLP 0x100a /* create MLP on anonymous bind */
182 182 #define SO_MAC_EXEMPT 0x100b /* allow dominated unlabeled peers */
183 183 #define SO_DOMAIN 0x100c /* get socket domain */
184 184 #define SO_RCVPSH 0x100d /* receive interval to push data */
185 185
186 186 /* "Socket"-level control message types: */
187 187 #define SCM_RIGHTS 0x1010 /* access rights (array of int) */
188 188 #define SO_SECATTR 0x1011 /* socket's security attributes */
189 189 #define SCM_UCRED 0x1012 /* sender's ucred */
190 190 #define SO_TIMESTAMP 0x1013 /* socket-level timestamp option */
191 191 #define SCM_TIMESTAMP SO_TIMESTAMP /* socket control message timestamp */
192 192 #define SO_ALLZONES 0x1014 /* bind in all zones */
193 193 #define SO_EXCLBIND 0x1015 /* exclusive binding */
194 194 #define SO_MAC_IMPLICIT 0x1016 /* hide mac labels on wire */
195 195 #define SO_VRRP 0x1017 /* VRRP control socket */
196 196
197 197 #ifdef _KERNEL
198 198 #define SO_SRCADDR 0x2001 /* Internal: AF_UNIX source address */
199 199 #define SO_FILEP 0x2002 /* Internal: AF_UNIX file pointer */
200 200 #define SO_UNIX_CLOSE 0x2003 /* Internal: AF_UNIX peer closed */
201 201 #define SO_REUSEPORT 0x2004 /* allow simultaneous port reuse */
202 202 #endif /* _KERNEL */
203 203
204 204 /*
205 205 * Socket filter options
206 206 */
207 207 #define FIL_ATTACH 0x1 /* attach filter */
208 208 #define FIL_DETACH 0x2 /* detach filter */
209 209 #define FIL_LIST 0x3 /* list attached filters */
210 210
211 211 #define FILNAME_MAX 32
212 212 /*
213 213 * Structure returned by FIL_LIST
214 214 */
215 215 struct fil_info {
216 216 int fi_flags; /* see below (FILF_*) */
217 217 int fi_pos; /* position (0 is bottom) */
218 218 char fi_name[FILNAME_MAX]; /* filter name */
219 219 };
220 220
221 221 #define FILF_PROG 0x1 /* programmatic attach */
222 222 #define FILF_AUTO 0x2 /* automatic attach */
223 223 #define FILF_BYPASS 0x4 /* filter is not active */
224 224
225 225 #if defined(_KERNEL) || defined(_FAKE_KERNEL)
226 226 /*
227 227 * new socket open flags to identify socket and acceptor streams
228 228 */
229 229 #define SO_ACCEPTOR 0x20000 /* acceptor socket */
230 230 #define SO_SOCKSTR 0x40000 /* normal socket stream */
231 231 #define SO_FALLBACK 0x80000 /* fallback to TPI socket */
232 232
233 233 /*
234 234 * Flags for socket_create() and socket_newconn()
235 235 */
236 236 #define SOCKET_SLEEP KM_SLEEP
237 237 #define SOCKET_NOSLEEP KM_NOSLEEP
238 238
239 239 #endif /* _KERNEL */
240 240
241 241 /*
242 242 * Structure used for manipulating linger option.
243 243 */
244 244 struct linger {
245 245 int l_onoff; /* option on/off */
246 246 int l_linger; /* linger time */
247 247 };
248 248
249 249 /*
250 250 * Levels for (get/set)sockopt() that don't apply to a specific protocol.
251 251 */
252 252 #define SOL_SOCKET 0xffff /* options for socket level */
253 253 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
254 254 #define SOL_ROUTE 0xfffe /* options for routing socket level */
255 255 #endif
256 256 #define SOL_PACKET 0xfffd /* options for packet level */
257 257 #define SOL_FILTER 0xfffc /* options for socket filter level */
258 258
259 259 /*
260 260 * Address families.
261 261 *
262 262 * Some of these constant names are copied for the DTrace IP provider in
263 263 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept
264 264 * in sync.
265 265 */
266 266 #define AF_UNSPEC 0 /* unspecified */
267 267 #define AF_UNIX 1 /* local to host (pipes, portals) */
268 268 #define AF_LOCAL AF_UNIX /* Synonym for AF_UNIX */
269 269 #define AF_FILE AF_UNIX /* Synonym for AF_UNIX */
270 270 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
271 271 #define AF_IMPLINK 3 /* arpanet imp addresses */
272 272 #define AF_PUP 4 /* pup protocols: e.g. BSP */
273 273 #define AF_CHAOS 5 /* mit CHAOS protocols */
274 274 #define AF_NS 6 /* XEROX NS protocols */
275 275 #define AF_NBS 7 /* nbs protocols */
276 276 #define AF_ECMA 8 /* european computer manufacturers */
277 277 #define AF_DATAKIT 9 /* datakit protocols */
278 278 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
279 279 #define AF_SNA 11 /* IBM SNA */
280 280 #define AF_DECnet 12 /* DECnet */
281 281 #define AF_DLI 13 /* Direct data link interface */
282 282 #define AF_LAT 14 /* LAT */
283 283 #define AF_HYLINK 15 /* NSC Hyperchannel */
284 284 #define AF_APPLETALK 16 /* Apple Talk */
285 285 #define AF_NIT 17 /* Network Interface Tap */
286 286 #define AF_802 18 /* IEEE 802.2, also ISO 8802 */
287 287 #define AF_OSI 19 /* umbrella for all families used */
288 288 #define AF_X25 20 /* CCITT X.25 in particular */
289 289 #define AF_OSINET 21 /* AFI = 47, IDI = 4 */
290 290 #define AF_GOSIP 22 /* U.S. Government OSI */
291 291 #define AF_IPX 23 /* Novell Internet Protocol */
292 292 #define AF_ROUTE 24 /* Internal Routing Protocol */
293 293 #define AF_LINK 25 /* Link-layer interface */
294 294 #define AF_INET6 26 /* Internet Protocol, Version 6 */
295 295 #define AF_KEY 27 /* Security Association DB socket */
296 296 #define AF_NCA 28 /* NCA socket */
297 297 #define AF_POLICY 29 /* Security Policy DB socket */
298 298 #define AF_INET_OFFLOAD 30 /* Sun private; do not use */
299 299 #define AF_TRILL 31 /* TRILL interface */
300 300 #define AF_PACKET 32 /* PF_PACKET Linux socket interface */
301 301 #define AF_LX_NETLINK 33 /* Linux-compatible netlink */
302 302
303 303 #define AF_MAX 33
304 304
305 305 /*
306 306 * Protocol families, same as address families for now.
307 307 */
308 308 #define PF_UNSPEC AF_UNSPEC
309 309 #define PF_UNIX AF_UNIX
310 310 #define PF_LOCAL PF_UNIX
311 311 #define PF_FILE PF_UNIX
312 312 #define PF_INET AF_INET
313 313 #define PF_IMPLINK AF_IMPLINK
314 314 #define PF_PUP AF_PUP
315 315 #define PF_CHAOS AF_CHAOS
316 316 #define PF_NS AF_NS
317 317 #define PF_NBS AF_NBS
318 318 #define PF_ECMA AF_ECMA
319 319 #define PF_DATAKIT AF_DATAKIT
320 320 #define PF_CCITT AF_CCITT
321 321 #define PF_SNA AF_SNA
322 322 #define PF_DECnet AF_DECnet
323 323 #define PF_DLI AF_DLI
324 324 #define PF_LAT AF_LAT
325 325 #define PF_HYLINK AF_HYLINK
326 326 #define PF_APPLETALK AF_APPLETALK
327 327 #define PF_NIT AF_NIT
328 328 #define PF_802 AF_802
329 329 #define PF_OSI AF_OSI
330 330 #define PF_X25 AF_X25
331 331 #define PF_OSINET AF_OSINET
332 332 #define PF_GOSIP AF_GOSIP
333 333 #define PF_IPX AF_IPX
334 334 #define PF_ROUTE AF_ROUTE
335 335 #define PF_LINK AF_LINK
336 336 #define PF_INET6 AF_INET6
337 337 #define PF_KEY AF_KEY
338 338 #define PF_NCA AF_NCA
339 339 #define PF_POLICY AF_POLICY
340 340 #define PF_INET_OFFLOAD AF_INET_OFFLOAD /* Sun private; do not use */
341 341 #define PF_TRILL AF_TRILL
342 342 #define PF_PACKET AF_PACKET
343 343 #define PF_LX_NETLINK AF_LX_NETLINK
344 344
345 345 #define PF_MAX AF_MAX
346 346
347 347 /*
348 348 * Maximum queue length specifiable by listen.
349 349 */
350 350 #define SOMAXCONN 128
351 351
352 352 /*
353 353 * Message header for recvmsg and sendmsg calls.
354 354 */
355 355 struct msghdr {
356 356 void *msg_name; /* optional address */
357 357 socklen_t msg_namelen; /* size of address */
358 358 struct iovec *msg_iov; /* scatter/gather array */
359 359 int msg_iovlen; /* # elements in msg_iov */
360 360
361 361 #if defined(_XPG4_2) || defined(_KERNEL)
362 362 void *msg_control; /* ancillary data */
363 363 socklen_t msg_controllen; /* ancillary data buffer len */
364 364 int msg_flags; /* flags on received message */
365 365 #else
366 366 caddr_t msg_accrights; /* access rights sent/received */
367 367 int msg_accrightslen;
368 368 #endif /* defined(_XPG4_2) || defined(_KERNEL) */
369 369 };
370 370
371 371 #if defined(_KERNEL) || defined(_FAKE_KERNEL)
372 372
373 373 /*
374 374 * N.B.: we assume that omsghdr and nmsghdr are isomorphic, with
375 375 * the sole exception that nmsghdr has the additional msg_flags
376 376 * field at the end.
377 377 */
378 378 struct omsghdr {
379 379 void *msg_name; /* optional address */
380 380 socklen_t msg_namelen; /* size of address */
381 381 struct iovec *msg_iov; /* scatter/gather array */
382 382 int msg_iovlen; /* # elements in msg_iov */
383 383 caddr_t msg_accrights; /* access rights sent/received */
384 384 int msg_accrightslen;
385 385 };
386 386
387 387 #define nmsghdr msghdr
388 388
389 389 #if defined(_SYSCALL32)
390 390
391 391 struct omsghdr32 {
392 392 caddr32_t msg_name; /* optional address */
393 393 uint32_t msg_namelen; /* size of address */
394 394 caddr32_t msg_iov; /* scatter/gather array */
395 395 int32_t msg_iovlen; /* # elements in msg_iov */
396 396 caddr32_t msg_accrights; /* access rights sent/received */
397 397 uint32_t msg_accrightslen;
398 398 };
399 399
400 400 struct msghdr32 {
401 401 caddr32_t msg_name; /* optional address */
402 402 uint32_t msg_namelen; /* size of address */
403 403 caddr32_t msg_iov; /* scatter/gather array */
404 404 int32_t msg_iovlen; /* # elements in msg_iov */
405 405 caddr32_t msg_control; /* ancillary data */
406 406 uint32_t msg_controllen; /* ancillary data buffer len */
407 407 int32_t msg_flags; /* flags on received message */
408 408 };
409 409
410 410 #define nmsghdr32 msghdr32
411 411
412 412 #endif /* _SYSCALL32 */
413 413 #endif /* _KERNEL */
414 414
415 415 #define MSG_OOB 0x1 /* process out-of-band data */
416 416 #define MSG_PEEK 0x2 /* peek at incoming message */
417 417 #define MSG_DONTROUTE 0x4 /* send without using routing tables */
418 418 /* Added for XPGv2 compliance */
419 419 #define MSG_EOR 0x8 /* Terminates a record */
420 420 #define MSG_CTRUNC 0x10 /* Control data truncated */
421 421 #define MSG_TRUNC 0x20 /* Normal data truncated */
422 422 #define MSG_WAITALL 0x40 /* Wait for complete recv or error */
423 423 #define MSG_DUPCTRL 0x800 /* Save control message for use with */
424 424 /* with left over data */
425 425 /* End of XPGv2 compliance */
426 426 #define MSG_DONTWAIT 0x80 /* Don't block for this recv */
427 427 #define MSG_NOTIFICATION 0x100 /* Notification, not data */
428 428 #define MSG_XPG4_2 0x8000 /* Private: XPG4.2 flag */
429 429
430 430 /* Obsolete but kept for compilation compatability. Use IOV_MAX. */
431 431 #define MSG_MAXIOVLEN 16
432 432
433 433 #ifdef _KERNEL
434 434
435 435 /*
436 436 * for kernel socket only
437 437 */
438 438 #define MSG_MBLK_QUICKRELE 0x10000000 /* free mblk chain */
439 439 /* in timely manner */
440 440 #define MSG_USERSPACE 0x20000000 /* buffer from user space */
441 441
442 442 #endif /* _KERNEL */
443 443
444 444
445 445 /* Added for XPGv2 compliance */
446 446 #define SHUT_RD 0
447 447 #define SHUT_WR 1
448 448 #define SHUT_RDWR 2
449 449
450 450 struct cmsghdr {
451 451 socklen_t cmsg_len; /* data byte count, including hdr */
452 452 int cmsg_level; /* originating protocol */
453 453 int cmsg_type; /* protocol-specific type */
454 454 };
455 455
456 456 #if defined(_XPG4_2) || defined(_KERNEL)
457 457 #if defined(__sparc)
458 458 /* To maintain backward compatibility, alignment needs to be 8 on sparc. */
459 459 #define _CMSG_HDR_ALIGNMENT 8
460 460 #else
461 461 /* for __i386 (and other future architectures) */
462 462 #define _CMSG_HDR_ALIGNMENT 4
463 463 #endif /* defined(__sparc) */
464 464 #endif /* defined(_XPG4_2) || defined(_KERNEL) */
465 465
466 466 #if defined(_XPG4_2)
467 467 /*
468 468 * The cmsg headers (and macros dealing with them) were made available as
469 469 * part of UNIX95 and hence need to be protected with a _XPG4_2 define.
470 470 */
471 471 #define _CMSG_DATA_ALIGNMENT (sizeof (int))
472 472 #define _CMSG_HDR_ALIGN(x) (((uintptr_t)(x) + _CMSG_HDR_ALIGNMENT - 1) & \
473 473 ~(_CMSG_HDR_ALIGNMENT - 1))
474 474 #define _CMSG_DATA_ALIGN(x) (((uintptr_t)(x) + _CMSG_DATA_ALIGNMENT - 1) & \
475 475 ~(_CMSG_DATA_ALIGNMENT - 1))
476 476 #define CMSG_DATA(c) \
477 477 ((unsigned char *)_CMSG_DATA_ALIGN((struct cmsghdr *)(c) + 1))
478 478
479 479 #define CMSG_FIRSTHDR(m) \
480 480 (((m)->msg_controllen < sizeof (struct cmsghdr)) ? \
481 481 (struct cmsghdr *)0 : (struct cmsghdr *)((m)->msg_control))
482 482
483 483 #define CMSG_NXTHDR(m, c) \
484 484 (((c) == 0) ? CMSG_FIRSTHDR(m) : \
485 485 ((((uintptr_t)_CMSG_HDR_ALIGN((char *)(c) + \
486 486 ((struct cmsghdr *)(c))->cmsg_len) + sizeof (struct cmsghdr)) > \
487 487 (((uintptr_t)((struct msghdr *)(m))->msg_control) + \
488 488 ((uintptr_t)((struct msghdr *)(m))->msg_controllen))) ? \
489 489 ((struct cmsghdr *)0) : \
490 490 ((struct cmsghdr *)_CMSG_HDR_ALIGN((char *)(c) + \
491 491 ((struct cmsghdr *)(c))->cmsg_len))))
492 492
493 493 /* Amount of space + padding needed for a message of length l */
494 494 #define CMSG_SPACE(l) \
495 495 ((unsigned int)_CMSG_HDR_ALIGN(sizeof (struct cmsghdr) + (l)))
496 496
497 497 /* Value to be used in cmsg_len, does not include trailing padding */
498 498 #define CMSG_LEN(l) \
499 499 ((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l))
500 500
501 501 #endif /* _XPG4_2 */
502 502
503 503 #ifdef _XPG4_2
504 504 #ifdef __PRAGMA_REDEFINE_EXTNAME
505 505 #pragma redefine_extname bind __xnet_bind
506 506 #pragma redefine_extname connect __xnet_connect
507 507 #pragma redefine_extname recvmsg __xnet_recvmsg
508 508 #pragma redefine_extname sendmsg __xnet_sendmsg
509 509 #pragma redefine_extname sendto __xnet_sendto
510 510 #pragma redefine_extname socket __xnet_socket
511 511 #pragma redefine_extname socketpair __xnet_socketpair
512 512 #pragma redefine_extname getsockopt __xnet_getsockopt
513 513 #else /* __PRAGMA_REDEFINE_EXTNAME */
514 514 #define bind __xnet_bind
515 515 #define connect __xnet_connect
516 516 #define recvmsg __xnet_recvmsg
517 517 #define sendmsg __xnet_sendmsg
518 518 #define sendto __xnet_sendto
519 519 #define socket __xnet_socket
520 520 #define socketpair __xnet_socketpair
521 521 #define getsockopt __xnet_getsockopt
522 522 #endif /* __PRAGMA_REDEFINE_EXTNAME */
523 523
524 524 #endif /* _XPG4_2 */
525 525
526 526 #if defined(_XPG4_2) && !defined(_XPG5)
527 527 #ifdef __PRAGMA_REDEFINE_EXTNAME
528 528 #pragma redefine_extname listen __xnet_listen
529 529 #else /* __PRAGMA_REDEFINE_EXTNAME */
530 530 #define listen __xnet_listen
531 531 #endif /* __PRAGMA_REDEFINE_EXTNAME */
532 532 #endif /* (_XPG4_2) && !defined(_XPG5) */
533 533
534 534 #if !defined(_KERNEL) || defined(_BOOT)
535 535 extern int accept(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t);
536 536 extern int accept4(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t, int);
537 537 extern int bind(int, const struct sockaddr *, socklen_t);
538 538 extern int connect(int, const struct sockaddr *, socklen_t);
539 539 extern int getpeername(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t);
540 540 extern int getsockname(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t);
541 541 extern int getsockopt(int, int, int, void *_RESTRICT_KYWD, Psocklen_t);
542 542 extern int listen(int, int); /* XXX - fixme??? where do I go */
543 543 extern int socketpair(int, int, int, int *);
544 544 extern ssize_t recv(int, void *, size_t, int);
545 545 extern ssize_t recvfrom(int, void *_RESTRICT_KYWD, size_t, int,
546 546 struct sockaddr *_RESTRICT_KYWD, Psocklen_t);
547 547 extern ssize_t recvmsg(int, struct msghdr *, int);
548 548 extern ssize_t send(int, const void *, size_t, int);
549 549 extern ssize_t sendmsg(int, const struct msghdr *, int);
550 550 extern ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *,
551 551 socklen_t);
552 552 extern int setsockopt(int, int, int, const void *, socklen_t);
553 553 extern int shutdown(int, int);
554 554 extern int socket(int, int, int);
555 555
556 556 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
557 557 extern int sockatmark(int);
558 558 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
559 559 #endif /* !defined(_KERNEL) || defined(_BOOT) */
560 560
561 561 #ifdef __cplusplus
562 562 }
563 563 #endif
564 564
565 565 #endif /* _SYS_SOCKET_H */
|
↓ open down ↓ |
565 lines elided |
↑ open up ↑ |
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX