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