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 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */ 39 40 #ifndef _SYS_SOCKET_H 41 #define _SYS_SOCKET_H 42 43 #include <sys/types.h> 44 #include <sys/uio.h> 45 #include <sys/feature_tests.h> 46 #include <sys/socket_impl.h> 47 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 48 #ifndef _KERNEL 49 #include <sys/netconfig.h> 50 #endif /* !_KERNEL */ 51 #include <netinet/in.h> 52 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 53 54 #ifdef __cplusplus 55 extern "C" { 56 #endif 57 58 #ifndef _SOCKLEN_T 59 #define _SOCKLEN_T 60 61 /* 62 * The socklen definitions are reproduced in netinet/in.h for the inet6_ 63 * functions. Exposing all of sys/socket.h via netinet/in.h breaks existing 64 * applications and is not required by austin. 65 */ 66 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 67 typedef size_t socklen_t; 68 #else 69 typedef uint32_t socklen_t; 70 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 71 72 #if defined(_XPG4_2) || defined(_BOOT) 73 typedef socklen_t *_RESTRICT_KYWD Psocklen_t; 74 #else 75 typedef void *_RESTRICT_KYWD Psocklen_t; 76 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 77 78 #endif /* _SOCKLEN_T */ 79 80 /* 81 * Definitions related to sockets: types, address families, options. 82 */ 83 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 84 #ifndef NC_TPI_CLTS 85 #define NC_TPI_CLTS 1 /* must agree with netconfig.h */ 86 #define NC_TPI_COTS 2 /* must agree with netconfig.h */ 87 #define NC_TPI_COTS_ORD 3 /* must agree with netconfig.h */ 88 #define NC_TPI_RAW 4 /* must agree with netconfig.h */ 89 #endif /* !NC_TPI_CLTS */ 90 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 91 92 /* 93 * Types 94 */ 95 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 96 #define SOCK_STREAM NC_TPI_COTS /* stream socket */ 97 #define SOCK_DGRAM NC_TPI_CLTS /* datagram socket */ 98 #define SOCK_RAW NC_TPI_RAW /* raw-protocol interface */ 99 #else 100 #define SOCK_STREAM 2 /* stream socket */ 101 #define SOCK_DGRAM 1 /* datagram socket */ 102 #define SOCK_RAW 4 /* raw-protocol interface */ 103 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 104 #define SOCK_RDM 5 /* reliably-delivered message */ 105 #define SOCK_SEQPACKET 6 /* sequenced packet stream */ 106 #define SOCK_TYPE_MASK 0xffff /* type reside in these bits only */ 107 108 /* 109 * Flags for socket() and accept4() 110 */ 111 #define SOCK_CLOEXEC 0x080000 /* like open(2) O_CLOEXEC for socket */ 112 #define SOCK_NONBLOCK 0x100000 /* like O_NONBLOCK */ 113 #define SOCK_NDELAY 0x200000 /* like O_NDELAY */ 114 115 /* 116 * Option flags per-socket. 117 */ 118 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 119 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 120 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 121 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 122 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 123 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 124 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 125 #define SO_LINGER 0x0080 /* linger on close if data present */ 126 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 127 #define SO_DGRAM_ERRIND 0x0200 /* Application wants delayed error */ 128 #define SO_RECVUCRED 0x0400 /* Application wants ucred of sender */ 129 130 /* 131 * Socket options are passed using a signed integer, but it is also rare 132 * for more than one to ever be passed at the same time with setsockopt 133 * and only one at a time can be retrieved with getsockopt. 134 * 135 * Since the lower numbers cannot be renumbered for compatibility reasons, 136 * it would seem that we need to start a new number space (0x40000000 - 137 * 0x7fffffff) for those that don't need to be stored as a bit flag 138 * somewhere. This limits the flag options to 30 but that seems to be 139 * plenty, anyway. 0x40000000 is reserved for future use. 140 */ 141 #define SO_ATTACH_FILTER 0x40000001 142 #define SO_DETACH_FILTER 0x40000002 143 144 #ifdef _KERNEL 145 #define SO_SND_COPYAVOID 0x0800 /* Internal: use zero-copy */ 146 #define SO_SND_BUFINFO 0x1000 /* Internal: get buffer info */ 147 /* when doing zero-copy */ 148 149 struct so_snd_bufinfo { 150 ushort_t sbi_wroff; /* Write offset */ 151 ssize_t sbi_maxblk; /* Max size of a single mblk */ 152 ssize_t sbi_maxpsz; /* Max total size of a mblk chain */ 153 ushort_t sbi_tail; /* Extra space available at the end */ 154 }; 155 #endif /* _KERNEL */ 156 157 /* 158 * N.B.: The following definition is present only for compatibility 159 * with release 3.0. It will disappear in later releases. 160 */ 161 #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */ 162 163 /* 164 * Additional options, not kept in so_options. 165 */ 166 #define SO_SNDBUF 0x1001 /* send buffer size */ 167 #define SO_RCVBUF 0x1002 /* receive buffer size */ 168 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 169 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 170 #define SO_SNDTIMEO 0x1005 /* send timeout */ 171 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 172 #define SO_ERROR 0x1007 /* get error status and clear */ 173 #define SO_TYPE 0x1008 /* get socket type */ 174 #define SO_PROTOTYPE 0x1009 /* get/set protocol type */ 175 #define SO_ANON_MLP 0x100a /* create MLP on anonymous bind */ 176 #define SO_MAC_EXEMPT 0x100b /* allow dominated unlabeled peers */ 177 #define SO_DOMAIN 0x100c /* get socket domain */ 178 #define SO_RCVPSH 0x100d /* receive interval to push data */ 179 180 /* "Socket"-level control message types: */ 181 #define SCM_RIGHTS 0x1010 /* access rights (array of int) */ 182 #define SO_SECATTR 0x1011 /* socket's security attributes */ 183 #define SCM_UCRED 0x1012 /* sender's ucred */ 184 #define SO_TIMESTAMP 0x1013 /* socket-level timestamp option */ 185 #define SCM_TIMESTAMP SO_TIMESTAMP /* socket control message timestamp */ 186 #define SO_ALLZONES 0x1014 /* bind in all zones */ 187 #define SO_EXCLBIND 0x1015 /* exclusive binding */ 188 #define SO_MAC_IMPLICIT 0x1016 /* hide mac labels on wire */ 189 #define SO_VRRP 0x1017 /* VRRP control socket */ 190 191 #ifdef _KERNEL 192 #define SO_SRCADDR 0x2001 /* Internal: AF_UNIX source address */ 193 #define SO_FILEP 0x2002 /* Internal: AF_UNIX file pointer */ 194 #define SO_UNIX_CLOSE 0x2003 /* Internal: AF_UNIX peer closed */ 195 #endif /* _KERNEL */ 196 197 /* 198 * Socket filter options 199 */ 200 #define FIL_ATTACH 0x1 /* attach filter */ 201 #define FIL_DETACH 0x2 /* detach filter */ 202 #define FIL_LIST 0x3 /* list attached filters */ 203 204 #define FILNAME_MAX 32 205 /* 206 * Structure returned by FIL_LIST 207 */ 208 struct fil_info { 209 int fi_flags; /* see below (FILF_*) */ 210 int fi_pos; /* position (0 is bottom) */ 211 char fi_name[FILNAME_MAX]; /* filter name */ 212 }; 213 214 #define FILF_PROG 0x1 /* programmatic attach */ 215 #define FILF_AUTO 0x2 /* automatic attach */ 216 #define FILF_BYPASS 0x4 /* filter is not active */ 217 218 #ifdef _KERNEL 219 /* 220 * new socket open flags to identify socket and acceptor streams 221 */ 222 #define SO_ACCEPTOR 0x20000 /* acceptor socket */ 223 #define SO_SOCKSTR 0x40000 /* normal socket stream */ 224 #define SO_FALLBACK 0x80000 /* fallback to TPI socket */ 225 226 /* 227 * Flags for socket_create() and socket_newconn() 228 */ 229 #define SOCKET_SLEEP KM_SLEEP 230 #define SOCKET_NOSLEEP KM_NOSLEEP 231 232 #endif /* _KERNEL */ 233 234 /* 235 * Structure used for manipulating linger option. 236 */ 237 struct linger { 238 int l_onoff; /* option on/off */ 239 int l_linger; /* linger time */ 240 }; 241 242 /* 243 * Levels for (get/set)sockopt() that don't apply to a specific protocol. 244 */ 245 #define SOL_SOCKET 0xffff /* options for socket level */ 246 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 247 #define SOL_ROUTE 0xfffe /* options for routing socket level */ 248 #endif 249 #define SOL_PACKET 0xfffd /* options for packet level */ 250 #define SOL_FILTER 0xfffc /* options for socket filter level */ 251 252 /* 253 * Address families. 254 * 255 * Some of these constant names are copied for the DTrace IP provider in 256 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 257 * in sync. 258 */ 259 #define AF_UNSPEC 0 /* unspecified */ 260 #define AF_UNIX 1 /* local to host (pipes, portals) */ 261 #define AF_LOCAL AF_UNIX /* Synonym for AF_UNIX */ 262 #define AF_FILE AF_UNIX /* Synonym for AF_UNIX */ 263 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 264 #define AF_IMPLINK 3 /* arpanet imp addresses */ 265 #define AF_PUP 4 /* pup protocols: e.g. BSP */ 266 #define AF_CHAOS 5 /* mit CHAOS protocols */ 267 #define AF_NS 6 /* XEROX NS protocols */ 268 #define AF_NBS 7 /* nbs protocols */ 269 #define AF_ECMA 8 /* european computer manufacturers */ 270 #define AF_DATAKIT 9 /* datakit protocols */ 271 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 272 #define AF_SNA 11 /* IBM SNA */ 273 #define AF_DECnet 12 /* DECnet */ 274 #define AF_DLI 13 /* Direct data link interface */ 275 #define AF_LAT 14 /* LAT */ 276 #define AF_HYLINK 15 /* NSC Hyperchannel */ 277 #define AF_APPLETALK 16 /* Apple Talk */ 278 #define AF_NIT 17 /* Network Interface Tap */ 279 #define AF_802 18 /* IEEE 802.2, also ISO 8802 */ 280 #define AF_OSI 19 /* umbrella for all families used */ 281 #define AF_X25 20 /* CCITT X.25 in particular */ 282 #define AF_OSINET 21 /* AFI = 47, IDI = 4 */ 283 #define AF_GOSIP 22 /* U.S. Government OSI */ 284 #define AF_IPX 23 /* Novell Internet Protocol */ 285 #define AF_ROUTE 24 /* Internal Routing Protocol */ 286 #define AF_LINK 25 /* Link-layer interface */ 287 #define AF_INET6 26 /* Internet Protocol, Version 6 */ 288 #define AF_KEY 27 /* Security Association DB socket */ 289 #define AF_NCA 28 /* NCA socket */ 290 #define AF_POLICY 29 /* Security Policy DB socket */ 291 #define AF_INET_OFFLOAD 30 /* Sun private; do not use */ 292 #define AF_TRILL 31 /* TRILL interface */ 293 #define AF_PACKET 32 /* PF_PACKET Linux socket interface */ 294 295 #define AF_MAX 32 296 297 /* 298 * Protocol families, same as address families for now. 299 */ 300 #define PF_UNSPEC AF_UNSPEC 301 #define PF_UNIX AF_UNIX 302 #define PF_LOCAL PF_UNIX 303 #define PF_FILE PF_UNIX 304 #define PF_INET AF_INET 305 #define PF_IMPLINK AF_IMPLINK 306 #define PF_PUP AF_PUP 307 #define PF_CHAOS AF_CHAOS 308 #define PF_NS AF_NS 309 #define PF_NBS AF_NBS 310 #define PF_ECMA AF_ECMA 311 #define PF_DATAKIT AF_DATAKIT 312 #define PF_CCITT AF_CCITT 313 #define PF_SNA AF_SNA 314 #define PF_DECnet AF_DECnet 315 #define PF_DLI AF_DLI 316 #define PF_LAT AF_LAT 317 #define PF_HYLINK AF_HYLINK 318 #define PF_APPLETALK AF_APPLETALK 319 #define PF_NIT AF_NIT 320 #define PF_802 AF_802 321 #define PF_OSI AF_OSI 322 #define PF_X25 AF_X25 323 #define PF_OSINET AF_OSINET 324 #define PF_GOSIP AF_GOSIP 325 #define PF_IPX AF_IPX 326 #define PF_ROUTE AF_ROUTE 327 #define PF_LINK AF_LINK 328 #define PF_INET6 AF_INET6 329 #define PF_KEY AF_KEY 330 #define PF_NCA AF_NCA 331 #define PF_POLICY AF_POLICY 332 #define PF_INET_OFFLOAD AF_INET_OFFLOAD /* Sun private; do not use */ 333 #define PF_TRILL AF_TRILL 334 #define PF_PACKET AF_PACKET 335 336 #define PF_MAX AF_MAX 337 338 /* 339 * Maximum queue length specifiable by listen. 340 */ 341 #define SOMAXCONN 128 342 343 /* 344 * Message header for recvmsg and sendmsg calls. 345 */ 346 struct msghdr { 347 void *msg_name; /* optional address */ 348 socklen_t msg_namelen; /* size of address */ 349 struct iovec *msg_iov; /* scatter/gather array */ 350 int msg_iovlen; /* # elements in msg_iov */ 351 352 #if defined(_XPG4_2) || defined(_KERNEL) 353 void *msg_control; /* ancillary data */ 354 socklen_t msg_controllen; /* ancillary data buffer len */ 355 int msg_flags; /* flags on received message */ 356 #else 357 caddr_t msg_accrights; /* access rights sent/received */ 358 int msg_accrightslen; 359 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 360 }; 361 362 #if defined(_KERNEL) 363 364 /* 365 * N.B.: we assume that omsghdr and nmsghdr are isomorphic, with 366 * the sole exception that nmsghdr has the additional msg_flags 367 * field at the end. 368 */ 369 struct omsghdr { 370 void *msg_name; /* optional address */ 371 socklen_t msg_namelen; /* size of address */ 372 struct iovec *msg_iov; /* scatter/gather array */ 373 int msg_iovlen; /* # elements in msg_iov */ 374 caddr_t msg_accrights; /* access rights sent/received */ 375 int msg_accrightslen; 376 }; 377 378 #define nmsghdr msghdr 379 380 #if defined(_SYSCALL32) 381 382 struct omsghdr32 { 383 caddr32_t msg_name; /* optional address */ 384 uint32_t msg_namelen; /* size of address */ 385 caddr32_t msg_iov; /* scatter/gather array */ 386 int32_t msg_iovlen; /* # elements in msg_iov */ 387 caddr32_t msg_accrights; /* access rights sent/received */ 388 uint32_t msg_accrightslen; 389 }; 390 391 struct msghdr32 { 392 caddr32_t msg_name; /* optional address */ 393 uint32_t msg_namelen; /* size of address */ 394 caddr32_t msg_iov; /* scatter/gather array */ 395 int32_t msg_iovlen; /* # elements in msg_iov */ 396 caddr32_t msg_control; /* ancillary data */ 397 uint32_t msg_controllen; /* ancillary data buffer len */ 398 int32_t msg_flags; /* flags on received message */ 399 }; 400 401 #define nmsghdr32 msghdr32 402 403 #endif /* _SYSCALL32 */ 404 #endif /* _KERNEL */ 405 406 #define MSG_OOB 0x1 /* process out-of-band data */ 407 #define MSG_PEEK 0x2 /* peek at incoming message */ 408 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 409 /* Added for XPGv2 compliance */ 410 #define MSG_EOR 0x8 /* Terminates a record */ 411 #define MSG_CTRUNC 0x10 /* Control data truncated */ 412 #define MSG_TRUNC 0x20 /* Normal data truncated */ 413 #define MSG_WAITALL 0x40 /* Wait for complete recv or error */ 414 #define MSG_DUPCTRL 0x800 /* Save control message for use with */ 415 /* with left over data */ 416 /* End of XPGv2 compliance */ 417 #define MSG_DONTWAIT 0x80 /* Don't block for this recv */ 418 #define MSG_NOTIFICATION 0x100 /* Notification, not data */ 419 #define MSG_XPG4_2 0x8000 /* Private: XPG4.2 flag */ 420 421 #define MSG_MAXIOVLEN 16 422 423 #ifdef _KERNEL 424 425 /* 426 * for kernel socket only 427 */ 428 #define MSG_MBLK_QUICKRELE 0x10000000 /* free mblk chain */ 429 /* in timely manner */ 430 #define MSG_USERSPACE 0x20000000 /* buffer from user space */ 431 432 #endif /* _KERNEL */ 433 434 435 /* Added for XPGv2 compliance */ 436 #define SHUT_RD 0 437 #define SHUT_WR 1 438 #define SHUT_RDWR 2 439 440 struct cmsghdr { 441 socklen_t cmsg_len; /* data byte count, including hdr */ 442 int cmsg_level; /* originating protocol */ 443 int cmsg_type; /* protocol-specific type */ 444 }; 445 446 #if defined(_XPG4_2) || defined(_KERNEL) 447 #if defined(__sparc) 448 /* To maintain backward compatibility, alignment needs to be 8 on sparc. */ 449 #define _CMSG_HDR_ALIGNMENT 8 450 #else 451 /* for __i386 (and other future architectures) */ 452 #define _CMSG_HDR_ALIGNMENT 4 453 #endif /* defined(__sparc) */ 454 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 455 456 #if defined(_XPG4_2) 457 /* 458 * The cmsg headers (and macros dealing with them) were made available as 459 * part of UNIX95 and hence need to be protected with a _XPG4_2 define. 460 */ 461 #define _CMSG_DATA_ALIGNMENT (sizeof (int)) 462 #define _CMSG_HDR_ALIGN(x) (((uintptr_t)(x) + _CMSG_HDR_ALIGNMENT - 1) & \ 463 ~(_CMSG_HDR_ALIGNMENT - 1)) 464 #define _CMSG_DATA_ALIGN(x) (((uintptr_t)(x) + _CMSG_DATA_ALIGNMENT - 1) & \ 465 ~(_CMSG_DATA_ALIGNMENT - 1)) 466 #define CMSG_DATA(c) \ 467 ((unsigned char *)_CMSG_DATA_ALIGN((struct cmsghdr *)(c) + 1)) 468 469 #define CMSG_FIRSTHDR(m) \ 470 (((m)->msg_controllen < sizeof (struct cmsghdr)) ? \ 471 (struct cmsghdr *)0 : (struct cmsghdr *)((m)->msg_control)) 472 473 #define CMSG_NXTHDR(m, c) \ 474 (((c) == 0) ? CMSG_FIRSTHDR(m) : \ 475 ((((uintptr_t)_CMSG_HDR_ALIGN((char *)(c) + \ 476 ((struct cmsghdr *)(c))->cmsg_len) + sizeof (struct cmsghdr)) > \ 477 (((uintptr_t)((struct msghdr *)(m))->msg_control) + \ 478 ((uintptr_t)((struct msghdr *)(m))->msg_controllen))) ? \ 479 ((struct cmsghdr *)0) : \ 480 ((struct cmsghdr *)_CMSG_HDR_ALIGN((char *)(c) + \ 481 ((struct cmsghdr *)(c))->cmsg_len)))) 482 483 /* Amount of space + padding needed for a message of length l */ 484 #define CMSG_SPACE(l) \ 485 ((unsigned int)_CMSG_HDR_ALIGN(sizeof (struct cmsghdr) + (l))) 486 487 /* Value to be used in cmsg_len, does not include trailing padding */ 488 #define CMSG_LEN(l) \ 489 ((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l)) 490 491 #endif /* _XPG4_2 */ 492 493 #ifdef _XPG4_2 494 #ifdef __PRAGMA_REDEFINE_EXTNAME 495 #pragma redefine_extname bind __xnet_bind 496 #pragma redefine_extname connect __xnet_connect 497 #pragma redefine_extname recvmsg __xnet_recvmsg 498 #pragma redefine_extname sendmsg __xnet_sendmsg 499 #pragma redefine_extname sendto __xnet_sendto 500 #pragma redefine_extname socket __xnet_socket 501 #pragma redefine_extname socketpair __xnet_socketpair 502 #pragma redefine_extname getsockopt __xnet_getsockopt 503 #else /* __PRAGMA_REDEFINE_EXTNAME */ 504 #define bind __xnet_bind 505 #define connect __xnet_connect 506 #define recvmsg __xnet_recvmsg 507 #define sendmsg __xnet_sendmsg 508 #define sendto __xnet_sendto 509 #define socket __xnet_socket 510 #define socketpair __xnet_socketpair 511 #define getsockopt __xnet_getsockopt 512 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 513 514 #endif /* _XPG4_2 */ 515 516 #if defined(_XPG4_2) && !defined(_XPG5) 517 #ifdef __PRAGMA_REDEFINE_EXTNAME 518 #pragma redefine_extname listen __xnet_listen 519 #else /* __PRAGMA_REDEFINE_EXTNAME */ 520 #define listen __xnet_listen 521 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 522 #endif /* (_XPG4_2) && !defined(_XPG5) */ 523 524 #if !defined(_KERNEL) || defined(_BOOT) 525 #ifdef __STDC__ 526 extern int accept(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 527 extern int accept4(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t, int); 528 extern int bind(int, const struct sockaddr *, socklen_t); 529 extern int connect(int, const struct sockaddr *, socklen_t); 530 extern int getpeername(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 531 extern int getsockname(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 532 extern int getsockopt(int, int, int, void *_RESTRICT_KYWD, Psocklen_t); 533 extern int listen(int, int); /* XXX - fixme??? where do I go */ 534 extern int socketpair(int, int, int, int *); 535 extern ssize_t recv(int, void *, size_t, int); 536 extern ssize_t recvfrom(int, void *_RESTRICT_KYWD, size_t, int, 537 struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 538 extern ssize_t recvmsg(int, struct msghdr *, int); 539 extern ssize_t send(int, const void *, size_t, int); 540 extern ssize_t sendmsg(int, const struct msghdr *, int); 541 extern ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, 542 socklen_t); 543 extern int setsockopt(int, int, int, const void *, socklen_t); 544 extern int shutdown(int, int); 545 extern int socket(int, int, int); 546 547 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 548 extern int sockatmark(int); 549 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 550 #else /* __STDC__ */ 551 extern int accept(); 552 extern int accept4(); 553 extern int bind(); 554 extern int connect(); 555 extern int getpeername(); 556 extern int getsockname(); 557 extern int getsockopt(); 558 extern int listen(); 559 extern int recv(); 560 extern int recvfrom(); 561 extern int send(); 562 extern int sendto(); 563 extern int setsockopt(); 564 extern int sockatmark(); 565 extern int socket(); 566 extern int recvmsg(); 567 extern int sendmsg(); 568 extern int shutdown(); 569 extern int socketpair(); 570 #endif /* __STDC__ */ 571 #endif /* !defined(_KERNEL) || defined(_BOOT) */ 572 573 #ifdef __cplusplus 574 } 575 #endif 576 577 #endif /* _SYS_SOCKET_H */ 578