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 (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 26 /* All Rights Reserved */ 27 28 /* 29 * University Copyright- Copyright (c) 1982, 1986, 1988 30 * The Regents of the University of California 31 * All Rights Reserved 32 * 33 * University Acknowledgment- Portions of this document are derived from 34 * software developed by the University of California, Berkeley, and its 35 * contributors. 36 */ 37 38 #ifndef _SYS_SOCKET_H 39 #define _SYS_SOCKET_H 40 41 #include <sys/types.h> 42 #include <sys/uio.h> 43 #include <sys/feature_tests.h> 44 #include <sys/socket_impl.h> 45 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 46 #ifndef _KERNEL 47 #include <sys/netconfig.h> 48 #endif /* !_KERNEL */ 49 #include <netinet/in.h> 50 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 51 52 #ifdef __cplusplus 53 extern "C" { 54 #endif 55 56 #ifndef _SOCKLEN_T 57 #define _SOCKLEN_T 58 59 /* 60 * The socklen definitions are reproduced in netinet/in.h for the inet6_ 61 * functions. Exposing all of sys/socket.h via netinet/in.h breaks existing 62 * applications and is not required by austin. 63 */ 64 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 65 typedef size_t socklen_t; 66 #else 67 typedef uint32_t socklen_t; 68 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 69 70 #if defined(_XPG4_2) || defined(_BOOT) 71 typedef socklen_t *_RESTRICT_KYWD Psocklen_t; 72 #else 73 typedef void *_RESTRICT_KYWD Psocklen_t; 74 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 75 76 #endif /* _SOCKLEN_T */ 77 78 /* 79 * Definitions related to sockets: types, address families, options. 80 */ 81 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 82 #ifndef NC_TPI_CLTS 83 #define NC_TPI_CLTS 1 /* must agree with netconfig.h */ 84 #define NC_TPI_COTS 2 /* must agree with netconfig.h */ 85 #define NC_TPI_COTS_ORD 3 /* must agree with netconfig.h */ 86 #define NC_TPI_RAW 4 /* must agree with netconfig.h */ 87 #endif /* !NC_TPI_CLTS */ 88 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 89 90 /* 91 * Types 92 */ 93 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 94 #define SOCK_STREAM NC_TPI_COTS /* stream socket */ 95 #define SOCK_DGRAM NC_TPI_CLTS /* datagram socket */ 96 #define SOCK_RAW NC_TPI_RAW /* raw-protocol interface */ 97 #else 98 #define SOCK_STREAM 2 /* stream socket */ 99 #define SOCK_DGRAM 1 /* datagram socket */ 100 #define SOCK_RAW 4 /* raw-protocol interface */ 101 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 102 #define SOCK_RDM 5 /* reliably-delivered message */ 103 #define SOCK_SEQPACKET 6 /* sequenced packet stream */ 104 105 /* 106 * Option flags per-socket. 107 */ 108 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 109 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 110 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 111 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 112 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 113 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 114 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 115 #define SO_LINGER 0x0080 /* linger on close if data present */ 116 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 117 #define SO_DGRAM_ERRIND 0x0200 /* Application wants delayed error */ 118 #define SO_RECVUCRED 0x0400 /* Application wants ucred of sender */ 119 120 /* 121 * Socket options are passed using a signed integer, but it is also rare 122 * for more than one to ever be passed at the same time with setsockopt 123 * and only one at a time can be retrieved with getsockopt. 124 * 125 * Since the lower numbers cannot be renumbered for compatibility reasons, 126 * it would seem that we need to start a new number space (0x40000000 - 127 * 0x7fffffff) for those that don't need to be stored as a bit flag 128 * somewhere. This limits the flag options to 30 but that seems to be 129 * plenty, anyway. 0x40000000 is reserved for future use. 130 */ 131 #define SO_ATTACH_FILTER 0x40000001 132 #define SO_DETACH_FILTER 0x40000002 133 134 #ifdef _KERNEL 135 #define SO_SND_COPYAVOID 0x0800 /* Internal: use zero-copy */ 136 #define SO_SND_BUFINFO 0x1000 /* Internal: get buffer info */ 137 /* when doing zero-copy */ 138 139 struct so_snd_bufinfo { 140 ushort_t sbi_wroff; /* Write offset */ 141 ssize_t sbi_maxblk; /* Max size of a single mblk */ 142 ssize_t sbi_maxpsz; /* Max total size of a mblk chain */ 143 ushort_t sbi_tail; /* Extra space available at the end */ 144 }; 145 #endif /* _KERNEL */ 146 147 /* 148 * N.B.: The following definition is present only for compatibility 149 * with release 3.0. It will disappear in later releases. 150 */ 151 #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */ 152 153 /* 154 * Additional options, not kept in so_options. 155 */ 156 #define SO_SNDBUF 0x1001 /* send buffer size */ 157 #define SO_RCVBUF 0x1002 /* receive buffer size */ 158 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 159 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 160 #define SO_SNDTIMEO 0x1005 /* send timeout */ 161 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 162 #define SO_ERROR 0x1007 /* get error status and clear */ 163 #define SO_TYPE 0x1008 /* get socket type */ 164 #define SO_PROTOTYPE 0x1009 /* get/set protocol type */ 165 #define SO_ANON_MLP 0x100a /* create MLP on anonymous bind */ 166 #define SO_MAC_EXEMPT 0x100b /* allow dominated unlabeled peers */ 167 #define SO_DOMAIN 0x100c /* get socket domain */ 168 #define SO_RCVPSH 0x100d /* receive interval to push data */ 169 170 /* "Socket"-level control message types: */ 171 #define SCM_RIGHTS 0x1010 /* access rights (array of int) */ 172 #define SO_SECATTR 0x1011 /* socket's security attributes */ 173 #define SCM_UCRED 0x1012 /* sender's ucred */ 174 #define SO_TIMESTAMP 0x1013 /* socket-level timestamp option */ 175 #define SCM_TIMESTAMP SO_TIMESTAMP /* socket control message timestamp */ 176 #define SO_ALLZONES 0x1014 /* bind in all zones */ 177 #define SO_EXCLBIND 0x1015 /* exclusive binding */ 178 #define SO_MAC_IMPLICIT 0x1016 /* hide mac labels on wire */ 179 #define SO_VRRP 0x1017 /* VRRP control socket */ 180 181 #ifdef _KERNEL 182 #define SO_SRCADDR 0x2001 /* Internal: AF_UNIX source address */ 183 #define SO_FILEP 0x2002 /* Internal: AF_UNIX file pointer */ 184 #define SO_UNIX_CLOSE 0x2003 /* Internal: AF_UNIX peer closed */ 185 #endif /* _KERNEL */ 186 187 /* 188 * Socket filter options 189 */ 190 #define FIL_ATTACH 0x1 /* attach filter */ 191 #define FIL_DETACH 0x2 /* detach filter */ 192 #define FIL_LIST 0x3 /* list attached filters */ 193 194 #define FILNAME_MAX 32 195 /* 196 * Structure returned by FIL_LIST 197 */ 198 struct fil_info { 199 int fi_flags; /* see below (FILF_*) */ 200 int fi_pos; /* position (0 is bottom) */ 201 char fi_name[FILNAME_MAX]; /* filter name */ 202 }; 203 204 #define FILF_PROG 0x1 /* programmatic attach */ 205 #define FILF_AUTO 0x2 /* automatic attach */ 206 #define FILF_BYPASS 0x4 /* filter is not active */ 207 208 #ifdef _KERNEL 209 /* 210 * new socket open flags to identify socket and acceptor streams 211 */ 212 #define SO_ACCEPTOR 0x20000 /* acceptor socket */ 213 #define SO_SOCKSTR 0x40000 /* normal socket stream */ 214 #define SO_FALLBACK 0x80000 /* fallback to TPI socket */ 215 216 /* 217 * Flags for socket_create() and socket_newconn() 218 */ 219 #define SOCKET_SLEEP KM_SLEEP 220 #define SOCKET_NOSLEEP KM_NOSLEEP 221 222 #endif /* _KERNEL */ 223 224 /* 225 * Structure used for manipulating linger option. 226 */ 227 struct linger { 228 int l_onoff; /* option on/off */ 229 int l_linger; /* linger time */ 230 }; 231 232 /* 233 * Levels for (get/set)sockopt() that don't apply to a specific protocol. 234 */ 235 #define SOL_SOCKET 0xffff /* options for socket level */ 236 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 237 #define SOL_ROUTE 0xfffe /* options for routing socket level */ 238 #endif 239 #define SOL_PACKET 0xfffd /* options for packet level */ 240 #define SOL_FILTER 0xfffc /* options for socket filter level */ 241 242 /* 243 * Address families. 244 * 245 * Some of these constant names are copied for the DTrace IP provider in 246 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 247 * in sync. 248 */ 249 #define AF_UNSPEC 0 /* unspecified */ 250 #define AF_UNIX 1 /* local to host (pipes, portals) */ 251 #define AF_LOCAL AF_UNIX /* Synonym for AF_UNIX */ 252 #define AF_FILE AF_UNIX /* Synonym for AF_UNIX */ 253 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 254 #define AF_IMPLINK 3 /* arpanet imp addresses */ 255 #define AF_PUP 4 /* pup protocols: e.g. BSP */ 256 #define AF_CHAOS 5 /* mit CHAOS protocols */ 257 #define AF_NS 6 /* XEROX NS protocols */ 258 #define AF_NBS 7 /* nbs protocols */ 259 #define AF_ECMA 8 /* european computer manufacturers */ 260 #define AF_DATAKIT 9 /* datakit protocols */ 261 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 262 #define AF_SNA 11 /* IBM SNA */ 263 #define AF_DECnet 12 /* DECnet */ 264 #define AF_DLI 13 /* Direct data link interface */ 265 #define AF_LAT 14 /* LAT */ 266 #define AF_HYLINK 15 /* NSC Hyperchannel */ 267 #define AF_APPLETALK 16 /* Apple Talk */ 268 #define AF_NIT 17 /* Network Interface Tap */ 269 #define AF_802 18 /* IEEE 802.2, also ISO 8802 */ 270 #define AF_OSI 19 /* umbrella for all families used */ 271 #define AF_X25 20 /* CCITT X.25 in particular */ 272 #define AF_OSINET 21 /* AFI = 47, IDI = 4 */ 273 #define AF_GOSIP 22 /* U.S. Government OSI */ 274 #define AF_IPX 23 /* Novell Internet Protocol */ 275 #define AF_ROUTE 24 /* Internal Routing Protocol */ 276 #define AF_LINK 25 /* Link-layer interface */ 277 #define AF_INET6 26 /* Internet Protocol, Version 6 */ 278 #define AF_KEY 27 /* Security Association DB socket */ 279 #define AF_NCA 28 /* NCA socket */ 280 #define AF_POLICY 29 /* Security Policy DB socket */ 281 #define AF_INET_OFFLOAD 30 /* Sun private; do not use */ 282 #define AF_TRILL 31 /* TRILL interface */ 283 #define AF_PACKET 32 /* PF_PACKET Linux socket interface */ 284 285 #define AF_MAX 32 286 287 /* 288 * Protocol families, same as address families for now. 289 */ 290 #define PF_UNSPEC AF_UNSPEC 291 #define PF_UNIX AF_UNIX 292 #define PF_LOCAL PF_UNIX 293 #define PF_FILE PF_UNIX 294 #define PF_INET AF_INET 295 #define PF_IMPLINK AF_IMPLINK 296 #define PF_PUP AF_PUP 297 #define PF_CHAOS AF_CHAOS 298 #define PF_NS AF_NS 299 #define PF_NBS AF_NBS 300 #define PF_ECMA AF_ECMA 301 #define PF_DATAKIT AF_DATAKIT 302 #define PF_CCITT AF_CCITT 303 #define PF_SNA AF_SNA 304 #define PF_DECnet AF_DECnet 305 #define PF_DLI AF_DLI 306 #define PF_LAT AF_LAT 307 #define PF_HYLINK AF_HYLINK 308 #define PF_APPLETALK AF_APPLETALK 309 #define PF_NIT AF_NIT 310 #define PF_802 AF_802 311 #define PF_OSI AF_OSI 312 #define PF_X25 AF_X25 313 #define PF_OSINET AF_OSINET 314 #define PF_GOSIP AF_GOSIP 315 #define PF_IPX AF_IPX 316 #define PF_ROUTE AF_ROUTE 317 #define PF_LINK AF_LINK 318 #define PF_INET6 AF_INET6 319 #define PF_KEY AF_KEY 320 #define PF_NCA AF_NCA 321 #define PF_POLICY AF_POLICY 322 #define PF_INET_OFFLOAD AF_INET_OFFLOAD /* Sun private; do not use */ 323 #define PF_TRILL AF_TRILL 324 #define PF_PACKET AF_PACKET 325 326 #define PF_MAX AF_MAX 327 328 /* 329 * Maximum queue length specifiable by listen. 330 */ 331 #define SOMAXCONN 128 332 333 /* 334 * Message header for recvmsg and sendmsg calls. 335 */ 336 struct msghdr { 337 void *msg_name; /* optional address */ 338 socklen_t msg_namelen; /* size of address */ 339 struct iovec *msg_iov; /* scatter/gather array */ 340 int msg_iovlen; /* # elements in msg_iov */ 341 342 #if defined(_XPG4_2) || defined(_KERNEL) 343 void *msg_control; /* ancillary data */ 344 socklen_t msg_controllen; /* ancillary data buffer len */ 345 int msg_flags; /* flags on received message */ 346 #else 347 caddr_t msg_accrights; /* access rights sent/received */ 348 int msg_accrightslen; 349 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 350 }; 351 352 #if defined(_KERNEL) 353 354 /* 355 * N.B.: we assume that omsghdr and nmsghdr are isomorphic, with 356 * the sole exception that nmsghdr has the additional msg_flags 357 * field at the end. 358 */ 359 struct omsghdr { 360 void *msg_name; /* optional address */ 361 socklen_t msg_namelen; /* size of address */ 362 struct iovec *msg_iov; /* scatter/gather array */ 363 int msg_iovlen; /* # elements in msg_iov */ 364 caddr_t msg_accrights; /* access rights sent/received */ 365 int msg_accrightslen; 366 }; 367 368 #define nmsghdr msghdr 369 370 #if defined(_SYSCALL32) 371 372 struct omsghdr32 { 373 caddr32_t msg_name; /* optional address */ 374 uint32_t msg_namelen; /* size of address */ 375 caddr32_t msg_iov; /* scatter/gather array */ 376 int32_t msg_iovlen; /* # elements in msg_iov */ 377 caddr32_t msg_accrights; /* access rights sent/received */ 378 uint32_t msg_accrightslen; 379 }; 380 381 struct msghdr32 { 382 caddr32_t msg_name; /* optional address */ 383 uint32_t msg_namelen; /* size of address */ 384 caddr32_t msg_iov; /* scatter/gather array */ 385 int32_t msg_iovlen; /* # elements in msg_iov */ 386 caddr32_t msg_control; /* ancillary data */ 387 uint32_t msg_controllen; /* ancillary data buffer len */ 388 int32_t msg_flags; /* flags on received message */ 389 }; 390 391 #define nmsghdr32 msghdr32 392 393 #endif /* _SYSCALL32 */ 394 #endif /* _KERNEL */ 395 396 #define MSG_OOB 0x1 /* process out-of-band data */ 397 #define MSG_PEEK 0x2 /* peek at incoming message */ 398 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 399 /* Added for XPGv2 compliance */ 400 #define MSG_EOR 0x8 /* Terminates a record */ 401 #define MSG_CTRUNC 0x10 /* Control data truncated */ 402 #define MSG_TRUNC 0x20 /* Normal data truncated */ 403 #define MSG_WAITALL 0x40 /* Wait for complete recv or error */ 404 #define MSG_DUPCTRL 0x800 /* Save control message for use with */ 405 /* with left over data */ 406 /* End of XPGv2 compliance */ 407 #define MSG_DONTWAIT 0x80 /* Don't block for this recv */ 408 #define MSG_NOTIFICATION 0x100 /* Notification, not data */ 409 #define MSG_XPG4_2 0x8000 /* Private: XPG4.2 flag */ 410 411 #define MSG_MAXIOVLEN 16 412 413 #ifdef _KERNEL 414 415 /* 416 * for kernel socket only 417 */ 418 #define MSG_MBLK_QUICKRELE 0x10000000 /* free mblk chain */ 419 /* in timely manner */ 420 #define MSG_USERSPACE 0x20000000 /* buffer from user space */ 421 422 #endif /* _KERNEL */ 423 424 425 /* Added for XPGv2 compliance */ 426 #define SHUT_RD 0 427 #define SHUT_WR 1 428 #define SHUT_RDWR 2 429 430 struct cmsghdr { 431 socklen_t cmsg_len; /* data byte count, including hdr */ 432 int cmsg_level; /* originating protocol */ 433 int cmsg_type; /* protocol-specific type */ 434 }; 435 436 #if defined(_XPG4_2) || defined(_KERNEL) 437 #if defined(__sparc) 438 /* To maintain backward compatibility, alignment needs to be 8 on sparc. */ 439 #define _CMSG_HDR_ALIGNMENT 8 440 #else 441 /* for __i386 (and other future architectures) */ 442 #define _CMSG_HDR_ALIGNMENT 4 443 #endif /* defined(__sparc) */ 444 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 445 446 #if defined(_XPG4_2) 447 /* 448 * The cmsg headers (and macros dealing with them) were made available as 449 * part of UNIX95 and hence need to be protected with a _XPG4_2 define. 450 */ 451 #define _CMSG_DATA_ALIGNMENT (sizeof (int)) 452 #define _CMSG_HDR_ALIGN(x) (((uintptr_t)(x) + _CMSG_HDR_ALIGNMENT - 1) & \ 453 ~(_CMSG_HDR_ALIGNMENT - 1)) 454 #define _CMSG_DATA_ALIGN(x) (((uintptr_t)(x) + _CMSG_DATA_ALIGNMENT - 1) & \ 455 ~(_CMSG_DATA_ALIGNMENT - 1)) 456 #define CMSG_DATA(c) \ 457 ((unsigned char *)_CMSG_DATA_ALIGN((struct cmsghdr *)(c) + 1)) 458 459 #define CMSG_FIRSTHDR(m) \ 460 (((m)->msg_controllen < sizeof (struct cmsghdr)) ? \ 461 (struct cmsghdr *)0 : (struct cmsghdr *)((m)->msg_control)) 462 463 #define CMSG_NXTHDR(m, c) \ 464 (((c) == 0) ? CMSG_FIRSTHDR(m) : \ 465 ((((uintptr_t)_CMSG_HDR_ALIGN((char *)(c) + \ 466 ((struct cmsghdr *)(c))->cmsg_len) + sizeof (struct cmsghdr)) > \ 467 (((uintptr_t)((struct msghdr *)(m))->msg_control) + \ 468 ((uintptr_t)((struct msghdr *)(m))->msg_controllen))) ? \ 469 ((struct cmsghdr *)0) : \ 470 ((struct cmsghdr *)_CMSG_HDR_ALIGN((char *)(c) + \ 471 ((struct cmsghdr *)(c))->cmsg_len)))) 472 473 /* Amount of space + padding needed for a message of length l */ 474 #define CMSG_SPACE(l) \ 475 ((unsigned int)_CMSG_HDR_ALIGN(sizeof (struct cmsghdr) + (l))) 476 477 /* Value to be used in cmsg_len, does not include trailing padding */ 478 #define CMSG_LEN(l) \ 479 ((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l)) 480 481 #endif /* _XPG4_2 */ 482 483 #ifdef _XPG4_2 484 #ifdef __PRAGMA_REDEFINE_EXTNAME 485 #pragma redefine_extname bind __xnet_bind 486 #pragma redefine_extname connect __xnet_connect 487 #pragma redefine_extname recvmsg __xnet_recvmsg 488 #pragma redefine_extname sendmsg __xnet_sendmsg 489 #pragma redefine_extname sendto __xnet_sendto 490 #pragma redefine_extname socket __xnet_socket 491 #pragma redefine_extname socketpair __xnet_socketpair 492 #pragma redefine_extname getsockopt __xnet_getsockopt 493 #else /* __PRAGMA_REDEFINE_EXTNAME */ 494 #define bind __xnet_bind 495 #define connect __xnet_connect 496 #define recvmsg __xnet_recvmsg 497 #define sendmsg __xnet_sendmsg 498 #define sendto __xnet_sendto 499 #define socket __xnet_socket 500 #define socketpair __xnet_socketpair 501 #define getsockopt __xnet_getsockopt 502 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 503 504 #endif /* _XPG4_2 */ 505 506 #if defined(_XPG4_2) && !defined(_XPG5) 507 #ifdef __PRAGMA_REDEFINE_EXTNAME 508 #pragma redefine_extname listen __xnet_listen 509 #else /* __PRAGMA_REDEFINE_EXTNAME */ 510 #define listen __xnet_listen 511 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 512 #endif /* (_XPG4_2) && !defined(_XPG5) */ 513 514 #if !defined(_KERNEL) || defined(_BOOT) 515 #ifdef __STDC__ 516 extern int accept(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 517 extern int bind(int, const struct sockaddr *, socklen_t); 518 extern int connect(int, const struct sockaddr *, socklen_t); 519 extern int getpeername(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 520 extern int getsockname(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 521 extern int getsockopt(int, int, int, void *_RESTRICT_KYWD, Psocklen_t); 522 extern int listen(int, int); /* XXX - fixme??? where do I go */ 523 extern int socketpair(int, int, int, int *); 524 extern ssize_t recv(int, void *, size_t, int); 525 extern ssize_t recvfrom(int, void *_RESTRICT_KYWD, size_t, int, 526 struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 527 extern ssize_t recvmsg(int, struct msghdr *, int); 528 extern ssize_t send(int, const void *, size_t, int); 529 extern ssize_t sendmsg(int, const struct msghdr *, int); 530 extern ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, 531 socklen_t); 532 extern int setsockopt(int, int, int, const void *, socklen_t); 533 extern int shutdown(int, int); 534 extern int socket(int, int, int); 535 536 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 537 extern int sockatmark(int); 538 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 539 #else /* __STDC__ */ 540 extern int accept(); 541 extern int bind(); 542 extern int connect(); 543 extern int getpeername(); 544 extern int getsockname(); 545 extern int getsockopt(); 546 extern int listen(); 547 extern int recv(); 548 extern int recvfrom(); 549 extern int send(); 550 extern int sendto(); 551 extern int setsockopt(); 552 extern int sockatmark(); 553 extern int socket(); 554 extern int recvmsg(); 555 extern int sendmsg(); 556 extern int shutdown(); 557 extern int socketpair(); 558 #endif /* __STDC__ */ 559 #endif /* !defined(_KERNEL) || defined(_BOOT) */ 560 561 #ifdef __cplusplus 562 } 563 #endif 564 565 #endif /* _SYS_SOCKET_H */ 566