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 * Copyright 2015, Joyent, Inc. All rights reserved. 24 * Copyright 2022 Garrett D'Amore 25 * 26 */ 27 28 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 29 /* All Rights Reserved */ 30 31 /* 32 * University Copyright- Copyright (c) 1982, 1986, 1988 33 * The Regents of the University of California 34 * All Rights Reserved 35 * 36 * University Acknowledgment- Portions of this document are derived from 37 * software developed by the University of California, Berkeley, and its 38 * contributors. 39 */ 40 41 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */ 42 43 #ifndef _SYS_SOCKET_H 44 #define _SYS_SOCKET_H 45 46 #include <sys/types.h> 47 #include <sys/uio.h> 48 #include <sys/feature_tests.h> 49 #include <sys/socket_impl.h> 50 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 51 #ifndef _KERNEL 52 #include <sys/netconfig.h> 53 #endif /* !_KERNEL */ 54 /* 55 * Historically, netinet/in.h included sys/stream.h, which pulled in 56 * several things. The more troublesome namespace pollution was from 57 * sys/stream.h so that was removed. To avoid having to fix lots of 58 * programs, pull in a few things that are now (for better or worse) 59 * expected by programs that include sys/socket.h 60 */ 61 #include <sys/param.h> 62 #include <sys/cred.h> 63 #include <sys/poll.h> 64 #include <netinet/in.h> 65 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 66 67 #ifdef __cplusplus 68 extern "C" { 69 #endif 70 71 #ifndef _SOCKLEN_T 72 #define _SOCKLEN_T 73 74 /* 75 * The socklen definitions are reproduced in netinet/in.h for the inet6_ 76 * functions. Exposing all of sys/socket.h via netinet/in.h breaks existing 77 * applications and is not required by austin. 78 */ 79 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 80 typedef size_t socklen_t; 81 #else 82 typedef uint32_t socklen_t; 83 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 84 85 #if defined(_XPG4_2) || defined(_BOOT) 86 typedef socklen_t *_RESTRICT_KYWD Psocklen_t; 87 #else 88 typedef void *_RESTRICT_KYWD Psocklen_t; 89 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 90 91 #endif /* _SOCKLEN_T */ 92 93 /* 94 * Definitions related to sockets: types, address families, options. 95 */ 96 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 97 #ifndef NC_TPI_CLTS 98 #define NC_TPI_CLTS 1 /* must agree with netconfig.h */ 99 #define NC_TPI_COTS 2 /* must agree with netconfig.h */ 100 #define NC_TPI_COTS_ORD 3 /* must agree with netconfig.h */ 101 #define NC_TPI_RAW 4 /* must agree with netconfig.h */ 102 #endif /* !NC_TPI_CLTS */ 103 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 104 105 /* 106 * Types 107 */ 108 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 109 #define SOCK_STREAM NC_TPI_COTS /* stream socket */ 110 #define SOCK_DGRAM NC_TPI_CLTS /* datagram socket */ 111 #define SOCK_RAW NC_TPI_RAW /* raw-protocol interface */ 112 #else 113 #define SOCK_STREAM 2 /* stream socket */ 114 #define SOCK_DGRAM 1 /* datagram socket */ 115 #define SOCK_RAW 4 /* raw-protocol interface */ 116 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 117 #define SOCK_RDM 5 /* reliably-delivered message */ 118 #define SOCK_SEQPACKET 6 /* sequenced packet stream */ 119 #define SOCK_TYPE_MASK 0xffff /* type reside in these bits only */ 120 121 /* 122 * Flags for socket() and accept4() 123 */ 124 #define SOCK_CLOEXEC 0x080000 /* like open(2) O_CLOEXEC for socket */ 125 #define SOCK_NONBLOCK 0x100000 /* like O_NONBLOCK */ 126 #define SOCK_NDELAY 0x200000 /* like O_NDELAY */ 127 128 /* 129 * Option flags per-socket. 130 */ 131 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 132 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 133 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 134 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 135 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 136 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 137 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 138 #define SO_LINGER 0x0080 /* linger on close if data present */ 139 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 140 #define SO_DGRAM_ERRIND 0x0200 /* Application wants delayed error */ 141 #define SO_RECVUCRED 0x0400 /* Application wants ucred of sender */ 142 143 /* 144 * Socket options are passed using a signed integer, but it is also rare 145 * for more than one to ever be passed at the same time with setsockopt 146 * and only one at a time can be retrieved with getsockopt. 147 * 148 * Since the lower numbers cannot be renumbered for compatibility reasons, 149 * it would seem that we need to start a new number space (0x40000000 - 150 * 0x7fffffff) for those that don't need to be stored as a bit flag 151 * somewhere. This limits the flag options to 30 but that seems to be 152 * plenty, anyway. 0x40000000 is reserved for future use. 153 */ 154 #define SO_ATTACH_FILTER 0x40000001 155 #define SO_DETACH_FILTER 0x40000002 156 157 #ifdef _KERNEL 158 #define SO_SND_COPYAVOID 0x0800 /* Internal: use zero-copy */ 159 #define SO_SND_BUFINFO 0x1000 /* Internal: get buffer info */ 160 /* when doing zero-copy */ 161 162 struct so_snd_bufinfo { 163 ushort_t sbi_wroff; /* Write offset */ 164 ssize_t sbi_maxblk; /* Max size of a single mblk */ 165 ssize_t sbi_maxpsz; /* Max total size of a mblk chain */ 166 ushort_t sbi_tail; /* Extra space available at the end */ 167 }; 168 #endif /* _KERNEL */ 169 170 /* 171 * N.B.: The following definition is present only for compatibility 172 * with release 3.0. It will disappear in later releases. 173 */ 174 #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */ 175 176 /* 177 * Additional options, not kept in so_options. 178 */ 179 #define SO_SNDBUF 0x1001 /* send buffer size */ 180 #define SO_RCVBUF 0x1002 /* receive buffer size */ 181 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 182 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 183 #define SO_SNDTIMEO 0x1005 /* send timeout */ 184 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 185 #define SO_ERROR 0x1007 /* get error status and clear */ 186 #define SO_TYPE 0x1008 /* get socket type */ 187 #define SO_PROTOTYPE 0x1009 /* get/set protocol type */ 188 #define SO_ANON_MLP 0x100a /* create MLP on anonymous bind */ 189 #define SO_MAC_EXEMPT 0x100b /* allow dominated unlabeled peers */ 190 #define SO_DOMAIN 0x100c /* get socket domain */ 191 #define SO_RCVPSH 0x100d /* receive interval to push data */ 192 193 /* "Socket"-level control message types: */ 194 #define SCM_RIGHTS 0x1010 /* access rights (array of int) */ 195 #define SO_SECATTR 0x1011 /* socket's security attributes */ 196 #define SCM_UCRED 0x1012 /* sender's ucred */ 197 #define SO_TIMESTAMP 0x1013 /* socket-level timestamp option */ 198 #define SCM_TIMESTAMP SO_TIMESTAMP /* socket control message timestamp */ 199 #define SO_ALLZONES 0x1014 /* bind in all zones */ 200 #define SO_EXCLBIND 0x1015 /* exclusive binding */ 201 #define SO_MAC_IMPLICIT 0x1016 /* hide mac labels on wire */ 202 #define SO_VRRP 0x1017 /* VRRP control socket */ 203 204 #ifdef _KERNEL 205 #define SO_SRCADDR 0x2001 /* Internal: AF_UNIX source address */ 206 #define SO_FILEP 0x2002 /* Internal: AF_UNIX file pointer */ 207 #define SO_UNIX_CLOSE 0x2003 /* Internal: AF_UNIX peer closed */ 208 #endif /* _KERNEL */ 209 210 /* 211 * Socket filter options 212 */ 213 #define FIL_ATTACH 0x1 /* attach filter */ 214 #define FIL_DETACH 0x2 /* detach filter */ 215 #define FIL_LIST 0x3 /* list attached filters */ 216 217 #define FILNAME_MAX 32 218 /* 219 * Structure returned by FIL_LIST 220 */ 221 struct fil_info { 222 int fi_flags; /* see below (FILF_*) */ 223 int fi_pos; /* position (0 is bottom) */ 224 char fi_name[FILNAME_MAX]; /* filter name */ 225 }; 226 227 #define FILF_PROG 0x1 /* programmatic attach */ 228 #define FILF_AUTO 0x2 /* automatic attach */ 229 #define FILF_BYPASS 0x4 /* filter is not active */ 230 231 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 232 /* 233 * new socket open flags to identify socket and acceptor streams 234 */ 235 #define SO_ACCEPTOR 0x20000 /* acceptor socket */ 236 #define SO_SOCKSTR 0x40000 /* normal socket stream */ 237 #define SO_FALLBACK 0x80000 /* fallback to TPI socket */ 238 239 /* 240 * Flags for socket_create() and socket_newconn() 241 */ 242 #define SOCKET_SLEEP KM_SLEEP 243 #define SOCKET_NOSLEEP KM_NOSLEEP 244 245 #endif /* _KERNEL */ 246 247 /* 248 * Structure used for manipulating linger option. 249 */ 250 struct linger { 251 int l_onoff; /* option on/off */ 252 int l_linger; /* linger time */ 253 }; 254 255 /* 256 * Levels for (get/set)sockopt() that don't apply to a specific protocol. 257 */ 258 #define SOL_SOCKET 0xffff /* options for socket level */ 259 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 260 #define SOL_ROUTE 0xfffe /* options for routing socket level */ 261 #endif 262 #define SOL_PACKET 0xfffd /* options for packet level */ 263 #define SOL_FILTER 0xfffc /* options for socket filter level */ 264 265 /* 266 * Address families. 267 * 268 * Some of these constant names are copied for the DTrace IP provider in 269 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 270 * in sync. 271 */ 272 #define AF_UNSPEC 0 /* unspecified */ 273 #define AF_UNIX 1 /* local to host (pipes, portals) */ 274 #define AF_LOCAL AF_UNIX /* Synonym for AF_UNIX */ 275 #define AF_FILE AF_UNIX /* Synonym for AF_UNIX */ 276 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 277 #define AF_IMPLINK 3 /* arpanet imp addresses */ 278 #define AF_PUP 4 /* pup protocols: e.g. BSP */ 279 #define AF_CHAOS 5 /* mit CHAOS protocols */ 280 #define AF_NS 6 /* XEROX NS protocols */ 281 #define AF_NBS 7 /* nbs protocols */ 282 #define AF_ECMA 8 /* european computer manufacturers */ 283 #define AF_DATAKIT 9 /* datakit protocols */ 284 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 285 #define AF_SNA 11 /* IBM SNA */ 286 #define AF_DECnet 12 /* DECnet */ 287 #define AF_DLI 13 /* Direct data link interface */ 288 #define AF_LAT 14 /* LAT */ 289 #define AF_HYLINK 15 /* NSC Hyperchannel */ 290 #define AF_APPLETALK 16 /* Apple Talk */ 291 #define AF_NIT 17 /* Network Interface Tap */ 292 #define AF_802 18 /* IEEE 802.2, also ISO 8802 */ 293 #define AF_OSI 19 /* umbrella for all families used */ 294 #define AF_X25 20 /* CCITT X.25 in particular */ 295 #define AF_OSINET 21 /* AFI = 47, IDI = 4 */ 296 #define AF_GOSIP 22 /* U.S. Government OSI */ 297 #define AF_IPX 23 /* Novell Internet Protocol */ 298 #define AF_ROUTE 24 /* Internal Routing Protocol */ 299 #define AF_LINK 25 /* Link-layer interface */ 300 #define AF_INET6 26 /* Internet Protocol, Version 6 */ 301 #define AF_KEY 27 /* Security Association DB socket */ 302 #define AF_NCA 28 /* NCA socket (obsolete) */ 303 #define AF_POLICY 29 /* Security Policy DB socket */ 304 #define AF_INET_OFFLOAD 30 /* Sun private; do not use */ 305 #define AF_TRILL 31 /* TRILL interface */ 306 #define AF_PACKET 32 /* PF_PACKET Linux socket interface */ 307 308 #define AF_MAX 32 309 310 /* 311 * Protocol families, same as address families for now. 312 */ 313 #define PF_UNSPEC AF_UNSPEC 314 #define PF_UNIX AF_UNIX 315 #define PF_LOCAL PF_UNIX 316 #define PF_FILE PF_UNIX 317 #define PF_INET AF_INET 318 #define PF_IMPLINK AF_IMPLINK 319 #define PF_PUP AF_PUP 320 #define PF_CHAOS AF_CHAOS 321 #define PF_NS AF_NS 322 #define PF_NBS AF_NBS 323 #define PF_ECMA AF_ECMA 324 #define PF_DATAKIT AF_DATAKIT 325 #define PF_CCITT AF_CCITT 326 #define PF_SNA AF_SNA 327 #define PF_DECnet AF_DECnet 328 #define PF_DLI AF_DLI 329 #define PF_LAT AF_LAT 330 #define PF_HYLINK AF_HYLINK 331 #define PF_APPLETALK AF_APPLETALK 332 #define PF_NIT AF_NIT 333 #define PF_802 AF_802 334 #define PF_OSI AF_OSI 335 #define PF_X25 AF_X25 336 #define PF_OSINET AF_OSINET 337 #define PF_GOSIP AF_GOSIP 338 #define PF_IPX AF_IPX 339 #define PF_ROUTE AF_ROUTE 340 #define PF_LINK AF_LINK 341 #define PF_INET6 AF_INET6 342 #define PF_KEY AF_KEY 343 #define PF_NCA AF_NCA 344 #define PF_POLICY AF_POLICY 345 #define PF_INET_OFFLOAD AF_INET_OFFLOAD /* Sun private; do not use */ 346 #define PF_TRILL AF_TRILL 347 #define PF_PACKET AF_PACKET 348 349 #define PF_MAX AF_MAX 350 351 /* 352 * Maximum queue length specifiable by listen. 353 */ 354 #define SOMAXCONN 128 355 356 /* 357 * Message header for recvmsg and sendmsg calls. 358 */ 359 struct msghdr { 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 */ 364 365 #if defined(_XPG4_2) || defined(_KERNEL) 366 void *msg_control; /* ancillary data */ 367 socklen_t msg_controllen; /* ancillary data buffer len */ 368 int msg_flags; /* flags on received message */ 369 #else 370 caddr_t msg_accrights; /* access rights sent/received */ 371 int msg_accrightslen; 372 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 373 }; 374 375 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 376 377 /* 378 * N.B.: we assume that omsghdr and nmsghdr are isomorphic, with 379 * the sole exception that nmsghdr has the additional msg_flags 380 * field at the end. 381 */ 382 struct omsghdr { 383 void *msg_name; /* optional address */ 384 socklen_t msg_namelen; /* size of address */ 385 struct iovec *msg_iov; /* scatter/gather array */ 386 int msg_iovlen; /* # elements in msg_iov */ 387 caddr_t msg_accrights; /* access rights sent/received */ 388 int msg_accrightslen; 389 }; 390 391 #define nmsghdr msghdr 392 393 #if defined(_SYSCALL32) 394 395 struct omsghdr32 { 396 caddr32_t msg_name; /* optional address */ 397 uint32_t msg_namelen; /* size of address */ 398 caddr32_t msg_iov; /* scatter/gather array */ 399 int32_t msg_iovlen; /* # elements in msg_iov */ 400 caddr32_t msg_accrights; /* access rights sent/received */ 401 uint32_t msg_accrightslen; 402 }; 403 404 struct msghdr32 { 405 caddr32_t msg_name; /* optional address */ 406 uint32_t msg_namelen; /* size of address */ 407 caddr32_t msg_iov; /* scatter/gather array */ 408 int32_t msg_iovlen; /* # elements in msg_iov */ 409 caddr32_t msg_control; /* ancillary data */ 410 uint32_t msg_controllen; /* ancillary data buffer len */ 411 int32_t msg_flags; /* flags on received message */ 412 }; 413 414 #define nmsghdr32 msghdr32 415 416 #endif /* _SYSCALL32 */ 417 #endif /* _KERNEL */ 418 419 #define MSG_OOB 0x1 /* process out-of-band data */ 420 #define MSG_PEEK 0x2 /* peek at incoming message */ 421 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 422 #define MSG_EOR 0x8 /* Terminates a record */ 423 #define MSG_CTRUNC 0x10 /* Control data truncated */ 424 #define MSG_TRUNC 0x20 /* Normal data truncated */ 425 #define MSG_WAITALL 0x40 /* Wait for complete recv or error */ 426 #define MSG_DONTWAIT 0x80 /* Don't block for this recv */ 427 #define MSG_NOTIFICATION 0x100 /* Notification, not data */ 428 #define MSG_NOSIGNAL 0x200 /* Don't generate SIGPIPE */ 429 #define MSG_DUPCTRL 0x800 /* Save control message for use with */ 430 /* with left over data */ 431 #define MSG_XPG4_2 0x8000 /* Private: XPG4.2 flag */ 432 433 /* Obsolete but kept for compilation compatibility. Use IOV_MAX. */ 434 #define MSG_MAXIOVLEN 16 435 436 #ifdef _KERNEL 437 438 /* 439 * Internal-only MSG_... flags 440 */ 441 442 #define MSG_SENDTO_NOXLATE 0x08000000 /* Skip so_ux_addr_xlate */ 443 444 #define MSG_MBLK_QUICKRELE 0x10000000 /* free mblk chain */ 445 /* in timely manner */ 446 #define MSG_USERSPACE 0x20000000 /* buffer from user space */ 447 448 #endif /* _KERNEL */ 449 450 451 /* Added for XPGv2 compliance */ 452 #define SHUT_RD 0 453 #define SHUT_WR 1 454 #define SHUT_RDWR 2 455 456 struct cmsghdr { 457 socklen_t cmsg_len; /* data byte count, including hdr */ 458 int cmsg_level; /* originating protocol */ 459 int cmsg_type; /* protocol-specific type */ 460 }; 461 462 #if defined(_XPG4_2) || defined(_KERNEL) 463 #if defined(__sparc) 464 /* To maintain backward compatibility, alignment needs to be 8 on sparc. */ 465 #define _CMSG_HDR_ALIGNMENT 8 466 #else 467 /* for __i386 (and other future architectures) */ 468 #define _CMSG_HDR_ALIGNMENT 4 469 #endif /* defined(__sparc) */ 470 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 471 472 #if defined(_XPG4_2) 473 /* 474 * The cmsg headers (and macros dealing with them) were made available as 475 * part of UNIX95 and hence need to be protected with a _XPG4_2 define. 476 */ 477 #define _CMSG_DATA_ALIGNMENT (sizeof (int)) 478 #define _CMSG_HDR_ALIGN(x) (((uintptr_t)(x) + _CMSG_HDR_ALIGNMENT - 1) & \ 479 ~(_CMSG_HDR_ALIGNMENT - 1)) 480 #define _CMSG_DATA_ALIGN(x) (((uintptr_t)(x) + _CMSG_DATA_ALIGNMENT - 1) & \ 481 ~(_CMSG_DATA_ALIGNMENT - 1)) 482 #define CMSG_DATA(c) \ 483 ((unsigned char *)_CMSG_DATA_ALIGN((struct cmsghdr *)(c) + 1)) 484 485 #define CMSG_FIRSTHDR(m) \ 486 (((m)->msg_controllen < sizeof (struct cmsghdr)) ? \ 487 (struct cmsghdr *)0 : (struct cmsghdr *)((m)->msg_control)) 488 489 #define CMSG_NXTHDR(m, c) \ 490 (((c) == 0) ? CMSG_FIRSTHDR(m) : \ 491 ((((uintptr_t)_CMSG_HDR_ALIGN((char *)(c) + \ 492 ((struct cmsghdr *)(c))->cmsg_len) + sizeof (struct cmsghdr)) > \ 493 (((uintptr_t)((struct msghdr *)(m))->msg_control) + \ 494 ((uintptr_t)((struct msghdr *)(m))->msg_controllen))) ? \ 495 ((struct cmsghdr *)0) : \ 496 ((struct cmsghdr *)_CMSG_HDR_ALIGN((char *)(c) + \ 497 ((struct cmsghdr *)(c))->cmsg_len)))) 498 499 /* Amount of space + padding needed for a message of length l */ 500 #define CMSG_SPACE(l) \ 501 ((unsigned int)_CMSG_HDR_ALIGN(sizeof (struct cmsghdr) + (l))) 502 503 /* Value to be used in cmsg_len, does not include trailing padding */ 504 #define CMSG_LEN(l) \ 505 ((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l)) 506 507 #endif /* _XPG4_2 */ 508 509 #ifdef _XPG4_2 510 #ifdef __PRAGMA_REDEFINE_EXTNAME 511 #pragma redefine_extname bind __xnet_bind 512 #pragma redefine_extname connect __xnet_connect 513 #pragma redefine_extname recvmsg __xnet_recvmsg 514 #pragma redefine_extname sendmsg __xnet_sendmsg 515 #pragma redefine_extname sendto __xnet_sendto 516 #pragma redefine_extname socket __xnet_socket 517 #pragma redefine_extname socketpair __xnet_socketpair 518 #pragma redefine_extname getsockopt __xnet_getsockopt 519 #else /* __PRAGMA_REDEFINE_EXTNAME */ 520 #define bind __xnet_bind 521 #define connect __xnet_connect 522 #define recvmsg __xnet_recvmsg 523 #define sendmsg __xnet_sendmsg 524 #define sendto __xnet_sendto 525 #define socket __xnet_socket 526 #define socketpair __xnet_socketpair 527 #define getsockopt __xnet_getsockopt 528 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 529 530 #endif /* _XPG4_2 */ 531 532 #if defined(_XPG4_2) && !defined(_XPG5) 533 #ifdef __PRAGMA_REDEFINE_EXTNAME 534 #pragma redefine_extname listen __xnet_listen 535 #else /* __PRAGMA_REDEFINE_EXTNAME */ 536 #define listen __xnet_listen 537 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 538 #endif /* (_XPG4_2) && !defined(_XPG5) */ 539 540 #if !defined(_KERNEL) || defined(_BOOT) 541 extern int accept(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 542 extern int accept4(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t, int); 543 extern int bind(int, const struct sockaddr *, socklen_t); 544 extern int connect(int, const struct sockaddr *, socklen_t); 545 extern int getpeername(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 546 extern int getsockname(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 547 extern int getsockopt(int, int, int, void *_RESTRICT_KYWD, Psocklen_t); 548 extern int listen(int, int); /* XXX - fixme??? where do I go */ 549 extern int socketpair(int, int, int, int *); 550 extern ssize_t recv(int, void *, size_t, int); 551 extern ssize_t recvfrom(int, void *_RESTRICT_KYWD, size_t, int, 552 struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 553 extern ssize_t recvmsg(int, struct msghdr *, int); 554 extern ssize_t send(int, const void *, size_t, int); 555 extern ssize_t sendmsg(int, const struct msghdr *, int); 556 extern ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, 557 socklen_t); 558 extern int setsockopt(int, int, int, const void *, socklen_t); 559 extern int shutdown(int, int); 560 extern int socket(int, int, int); 561 562 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 563 extern int sockatmark(int); 564 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 565 #endif /* !defined(_KERNEL) || defined(_BOOT) */ 566 567 #ifdef __cplusplus 568 } 569 #endif 570 571 #endif /* _SYS_SOCKET_H */ 572