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 #define SOCK_CLOFORK 0x400000 /* set FD_CLOFORK on the socket */ 128 129 /* 130 * Option flags per-socket. 131 */ 132 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 133 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 134 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 135 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 136 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 137 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 138 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 139 #define SO_LINGER 0x0080 /* linger on close if data present */ 140 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 141 #define SO_DGRAM_ERRIND 0x0200 /* Application wants delayed error */ 142 #define SO_RECVUCRED 0x0400 /* Application wants ucred of sender */ 143 144 /* 145 * Socket options are passed using a signed integer, but it is also rare 146 * for more than one to ever be passed at the same time with setsockopt 147 * and only one at a time can be retrieved with getsockopt. 148 * 149 * Since the lower numbers cannot be renumbered for compatibility reasons, 150 * it would seem that we need to start a new number space (0x40000000 - 151 * 0x7fffffff) for those that don't need to be stored as a bit flag 152 * somewhere. This limits the flag options to 30 but that seems to be 153 * plenty, anyway. 0x40000000 is reserved for future use. 154 */ 155 #define SO_ATTACH_FILTER 0x40000001 156 #define SO_DETACH_FILTER 0x40000002 157 158 #ifdef _KERNEL 159 #define SO_SND_COPYAVOID 0x0800 /* Internal: use zero-copy */ 160 #define SO_SND_BUFINFO 0x1000 /* Internal: get buffer info */ 161 /* when doing zero-copy */ 162 163 struct so_snd_bufinfo { 164 ushort_t sbi_wroff; /* Write offset */ 165 ssize_t sbi_maxblk; /* Max size of a single mblk */ 166 ssize_t sbi_maxpsz; /* Max total size of a mblk chain */ 167 ushort_t sbi_tail; /* Extra space available at the end */ 168 }; 169 #endif /* _KERNEL */ 170 171 /* 172 * N.B.: The following definition is present only for compatibility 173 * with release 3.0. It will disappear in later releases. 174 */ 175 #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */ 176 177 /* 178 * Additional options, not kept in so_options. 179 */ 180 #define SO_SNDBUF 0x1001 /* send buffer size */ 181 #define SO_RCVBUF 0x1002 /* receive buffer size */ 182 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 183 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 184 #define SO_SNDTIMEO 0x1005 /* send timeout */ 185 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 186 #define SO_ERROR 0x1007 /* get error status and clear */ 187 #define SO_TYPE 0x1008 /* get socket type */ 188 #define SO_PROTOTYPE 0x1009 /* get/set protocol type */ 189 #define SO_PROTOCOL SO_PROTOTYPE /* POSIX name */ 190 #define SO_ANON_MLP 0x100a /* create MLP on anonymous bind */ 191 #define SO_MAC_EXEMPT 0x100b /* allow dominated unlabeled peers */ 192 #define SO_DOMAIN 0x100c /* get socket domain */ 193 #define SO_RCVPSH 0x100d /* receive interval to push data */ 194 195 /* "Socket"-level control message types: */ 196 #define SCM_RIGHTS 0x1010 /* access rights (array of int) */ 197 #define SO_SECATTR 0x1011 /* socket's security attributes */ 198 #define SCM_UCRED 0x1012 /* sender's ucred */ 199 #define SO_TIMESTAMP 0x1013 /* socket-level timestamp option */ 200 #define SCM_TIMESTAMP SO_TIMESTAMP /* socket control message timestamp */ 201 #define SO_ALLZONES 0x1014 /* bind in all zones */ 202 #define SO_EXCLBIND 0x1015 /* exclusive binding */ 203 #define SO_MAC_IMPLICIT 0x1016 /* hide mac labels on wire */ 204 #define SO_VRRP 0x1017 /* VRRP control socket */ 205 206 #ifdef _KERNEL 207 #define SO_SRCADDR 0x2001 /* Internal: AF_UNIX source address */ 208 #define SO_FILEP 0x2002 /* Internal: AF_UNIX file pointer */ 209 #define SO_UNIX_CLOSE 0x2003 /* Internal: AF_UNIX peer closed */ 210 #endif /* _KERNEL */ 211 212 /* 213 * Socket filter options 214 */ 215 #define FIL_ATTACH 0x1 /* attach filter */ 216 #define FIL_DETACH 0x2 /* detach filter */ 217 #define FIL_LIST 0x3 /* list attached filters */ 218 219 #define FILNAME_MAX 32 220 /* 221 * Structure returned by FIL_LIST 222 */ 223 struct fil_info { 224 int fi_flags; /* see below (FILF_*) */ 225 int fi_pos; /* position (0 is bottom) */ 226 char fi_name[FILNAME_MAX]; /* filter name */ 227 }; 228 229 #define FILF_PROG 0x1 /* programmatic attach */ 230 #define FILF_AUTO 0x2 /* automatic attach */ 231 #define FILF_BYPASS 0x4 /* filter is not active */ 232 233 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 234 /* 235 * new socket open flags to identify socket and acceptor streams 236 */ 237 #define SO_ACCEPTOR 0x20000 /* acceptor socket */ 238 #define SO_SOCKSTR 0x40000 /* normal socket stream */ 239 #define SO_FALLBACK 0x80000 /* fallback to TPI socket */ 240 241 /* 242 * Flags for socket_create() and socket_newconn() 243 */ 244 #define SOCKET_SLEEP KM_SLEEP 245 #define SOCKET_NOSLEEP KM_NOSLEEP 246 247 #endif /* _KERNEL */ 248 249 /* 250 * Structure used for manipulating linger option. 251 */ 252 struct linger { 253 int l_onoff; /* option on/off */ 254 int l_linger; /* linger time */ 255 }; 256 257 /* 258 * Levels for (get/set)sockopt() that don't apply to a specific protocol. 259 */ 260 #define SOL_SOCKET 0xffff /* options for socket level */ 261 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 262 #define SOL_ROUTE 0xfffe /* options for routing socket level */ 263 #endif 264 #define SOL_PACKET 0xfffd /* options for packet level */ 265 #define SOL_FILTER 0xfffc /* options for socket filter level */ 266 267 /* 268 * Address families. 269 * 270 * Some of these constant names are copied for the DTrace IP provider in 271 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 272 * in sync. 273 */ 274 #define AF_UNSPEC 0 /* unspecified */ 275 #define AF_UNIX 1 /* local to host (pipes, portals) */ 276 #define AF_LOCAL AF_UNIX /* Synonym for AF_UNIX */ 277 #define AF_FILE AF_UNIX /* Synonym for AF_UNIX */ 278 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 279 #define AF_IMPLINK 3 /* arpanet imp addresses */ 280 #define AF_PUP 4 /* pup protocols: e.g. BSP */ 281 #define AF_CHAOS 5 /* mit CHAOS protocols */ 282 #define AF_NS 6 /* XEROX NS protocols */ 283 #define AF_NBS 7 /* nbs protocols */ 284 #define AF_ECMA 8 /* european computer manufacturers */ 285 #define AF_DATAKIT 9 /* datakit protocols */ 286 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 287 #define AF_SNA 11 /* IBM SNA */ 288 #define AF_DECnet 12 /* DECnet */ 289 #define AF_DLI 13 /* Direct data link interface */ 290 #define AF_LAT 14 /* LAT */ 291 #define AF_HYLINK 15 /* NSC Hyperchannel */ 292 #define AF_APPLETALK 16 /* Apple Talk */ 293 #define AF_NIT 17 /* Network Interface Tap */ 294 #define AF_802 18 /* IEEE 802.2, also ISO 8802 */ 295 #define AF_OSI 19 /* umbrella for all families used */ 296 #define AF_X25 20 /* CCITT X.25 in particular */ 297 #define AF_OSINET 21 /* AFI = 47, IDI = 4 */ 298 #define AF_GOSIP 22 /* U.S. Government OSI */ 299 #define AF_IPX 23 /* Novell Internet Protocol */ 300 #define AF_ROUTE 24 /* Internal Routing Protocol */ 301 #define AF_LINK 25 /* Link-layer interface */ 302 #define AF_INET6 26 /* Internet Protocol, Version 6 */ 303 #define AF_KEY 27 /* Security Association DB socket */ 304 #define AF_NCA 28 /* NCA socket (obsolete) */ 305 #define AF_POLICY 29 /* Security Policy DB socket */ 306 #define AF_INET_OFFLOAD 30 /* Sun private; do not use */ 307 #define AF_TRILL 31 /* TRILL interface */ 308 #define AF_PACKET 32 /* PF_PACKET Linux socket interface */ 309 310 #define AF_MAX 32 311 312 /* 313 * Protocol families, same as address families for now. 314 */ 315 #define PF_UNSPEC AF_UNSPEC 316 #define PF_UNIX AF_UNIX 317 #define PF_LOCAL PF_UNIX 318 #define PF_FILE PF_UNIX 319 #define PF_INET AF_INET 320 #define PF_IMPLINK AF_IMPLINK 321 #define PF_PUP AF_PUP 322 #define PF_CHAOS AF_CHAOS 323 #define PF_NS AF_NS 324 #define PF_NBS AF_NBS 325 #define PF_ECMA AF_ECMA 326 #define PF_DATAKIT AF_DATAKIT 327 #define PF_CCITT AF_CCITT 328 #define PF_SNA AF_SNA 329 #define PF_DECnet AF_DECnet 330 #define PF_DLI AF_DLI 331 #define PF_LAT AF_LAT 332 #define PF_HYLINK AF_HYLINK 333 #define PF_APPLETALK AF_APPLETALK 334 #define PF_NIT AF_NIT 335 #define PF_802 AF_802 336 #define PF_OSI AF_OSI 337 #define PF_X25 AF_X25 338 #define PF_OSINET AF_OSINET 339 #define PF_GOSIP AF_GOSIP 340 #define PF_IPX AF_IPX 341 #define PF_ROUTE AF_ROUTE 342 #define PF_LINK AF_LINK 343 #define PF_INET6 AF_INET6 344 #define PF_KEY AF_KEY 345 #define PF_NCA AF_NCA 346 #define PF_POLICY AF_POLICY 347 #define PF_INET_OFFLOAD AF_INET_OFFLOAD /* Sun private; do not use */ 348 #define PF_TRILL AF_TRILL 349 #define PF_PACKET AF_PACKET 350 351 #define PF_MAX AF_MAX 352 353 /* 354 * Maximum queue length specifiable by listen. 355 */ 356 #define SOMAXCONN 128 357 358 /* 359 * Message header for recvmsg and sendmsg calls. 360 */ 361 struct msghdr { 362 void *msg_name; /* optional address */ 363 socklen_t msg_namelen; /* size of address */ 364 struct iovec *msg_iov; /* scatter/gather array */ 365 int msg_iovlen; /* # elements in msg_iov */ 366 367 #if defined(_XPG4_2) || defined(_KERNEL) 368 void *msg_control; /* ancillary data */ 369 socklen_t msg_controllen; /* ancillary data buffer len */ 370 int msg_flags; /* flags on received message */ 371 #else 372 caddr_t msg_accrights; /* access rights sent/received */ 373 int msg_accrightslen; 374 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 375 }; 376 377 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 378 379 /* 380 * N.B.: we assume that omsghdr and nmsghdr are isomorphic, with 381 * the sole exception that nmsghdr has the additional msg_flags 382 * field at the end. 383 */ 384 struct omsghdr { 385 void *msg_name; /* optional address */ 386 socklen_t msg_namelen; /* size of address */ 387 struct iovec *msg_iov; /* scatter/gather array */ 388 int msg_iovlen; /* # elements in msg_iov */ 389 caddr_t msg_accrights; /* access rights sent/received */ 390 int msg_accrightslen; 391 }; 392 393 #define nmsghdr msghdr 394 395 #if defined(_SYSCALL32) 396 397 struct omsghdr32 { 398 caddr32_t msg_name; /* optional address */ 399 uint32_t msg_namelen; /* size of address */ 400 caddr32_t msg_iov; /* scatter/gather array */ 401 int32_t msg_iovlen; /* # elements in msg_iov */ 402 caddr32_t msg_accrights; /* access rights sent/received */ 403 uint32_t msg_accrightslen; 404 }; 405 406 struct msghdr32 { 407 caddr32_t msg_name; /* optional address */ 408 uint32_t msg_namelen; /* size of address */ 409 caddr32_t msg_iov; /* scatter/gather array */ 410 int32_t msg_iovlen; /* # elements in msg_iov */ 411 caddr32_t msg_control; /* ancillary data */ 412 uint32_t msg_controllen; /* ancillary data buffer len */ 413 int32_t msg_flags; /* flags on received message */ 414 }; 415 416 #define nmsghdr32 msghdr32 417 418 #endif /* _SYSCALL32 */ 419 #endif /* _KERNEL */ 420 421 #define MSG_OOB 0x1 /* process out-of-band data */ 422 #define MSG_PEEK 0x2 /* peek at incoming message */ 423 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 424 #define MSG_EOR 0x8 /* Terminates a record */ 425 #define MSG_CTRUNC 0x10 /* Control data truncated */ 426 #define MSG_TRUNC 0x20 /* Normal data truncated */ 427 #define MSG_WAITALL 0x40 /* Wait for complete recv or error */ 428 #define MSG_DONTWAIT 0x80 /* Don't block for this recv */ 429 #define MSG_NOTIFICATION 0x100 /* Notification, not data */ 430 #define MSG_NOSIGNAL 0x200 /* Don't generate SIGPIPE */ 431 #define MSG_DUPCTRL 0x800 /* Save control message for use with */ 432 /* with left over data */ 433 #define MSG_CMSG_CLOEXEC 0x1000 /* FD_CLOEXEC w/ SCM_RIGHTS */ 434 #define MSG_CMSG_CLOFORK 0x2000 /* FD_CLOFORK w/ SCM_RIGHTS */ 435 #define MSG_XPG4_2 0x8000 /* Private: XPG4.2 flag */ 436 437 /* Obsolete but kept for compilation compatibility. Use IOV_MAX. */ 438 #define MSG_MAXIOVLEN 16 439 440 #ifdef _KERNEL 441 442 /* 443 * Internal-only MSG_... flags 444 */ 445 446 #define MSG_SENDTO_NOXLATE 0x08000000 /* Skip so_ux_addr_xlate */ 447 448 #define MSG_MBLK_QUICKRELE 0x10000000 /* free mblk chain */ 449 /* in timely manner */ 450 #define MSG_USERSPACE 0x20000000 /* buffer from user space */ 451 452 #endif /* _KERNEL */ 453 454 455 /* Added for XPGv2 compliance */ 456 #define SHUT_RD 0 457 #define SHUT_WR 1 458 #define SHUT_RDWR 2 459 460 struct cmsghdr { 461 socklen_t cmsg_len; /* data byte count, including hdr */ 462 int cmsg_level; /* originating protocol */ 463 int cmsg_type; /* protocol-specific type */ 464 }; 465 466 #if defined(_XPG4_2) || defined(_KERNEL) 467 #if defined(__sparc) 468 /* To maintain backward compatibility, alignment needs to be 8 on sparc. */ 469 #define _CMSG_HDR_ALIGNMENT 8 470 #else 471 /* for __i386 (and other future architectures) */ 472 #define _CMSG_HDR_ALIGNMENT 4 473 #endif /* defined(__sparc) */ 474 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 475 476 #if defined(_XPG4_2) 477 /* 478 * The cmsg headers (and macros dealing with them) were made available as 479 * part of UNIX95 and hence need to be protected with a _XPG4_2 define. 480 */ 481 #define _CMSG_DATA_ALIGNMENT (sizeof (int)) 482 #define _CMSG_HDR_ALIGN(x) (((uintptr_t)(x) + _CMSG_HDR_ALIGNMENT - 1) & \ 483 ~(_CMSG_HDR_ALIGNMENT - 1)) 484 #define _CMSG_DATA_ALIGN(x) (((uintptr_t)(x) + _CMSG_DATA_ALIGNMENT - 1) & \ 485 ~(_CMSG_DATA_ALIGNMENT - 1)) 486 #define CMSG_DATA(c) \ 487 ((unsigned char *)_CMSG_DATA_ALIGN((struct cmsghdr *)(c) + 1)) 488 489 #define CMSG_FIRSTHDR(m) \ 490 (((m)->msg_controllen < sizeof (struct cmsghdr)) ? \ 491 (struct cmsghdr *)0 : (struct cmsghdr *)((m)->msg_control)) 492 493 #define CMSG_NXTHDR(m, c) \ 494 (((c) == 0) ? CMSG_FIRSTHDR(m) : \ 495 ((((uintptr_t)_CMSG_HDR_ALIGN((char *)(c) + \ 496 ((struct cmsghdr *)(c))->cmsg_len) + sizeof (struct cmsghdr)) > \ 497 (((uintptr_t)((struct msghdr *)(m))->msg_control) + \ 498 ((uintptr_t)((struct msghdr *)(m))->msg_controllen))) ? \ 499 ((struct cmsghdr *)0) : \ 500 ((struct cmsghdr *)_CMSG_HDR_ALIGN((char *)(c) + \ 501 ((struct cmsghdr *)(c))->cmsg_len)))) 502 503 /* Amount of space + padding needed for a message of length l */ 504 #define CMSG_SPACE(l) \ 505 ((unsigned int)_CMSG_HDR_ALIGN(sizeof (struct cmsghdr) + (l))) 506 507 /* Value to be used in cmsg_len, does not include trailing padding */ 508 #define CMSG_LEN(l) \ 509 ((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l)) 510 511 #endif /* _XPG4_2 */ 512 513 #ifdef _XPG4_2 514 #ifdef __PRAGMA_REDEFINE_EXTNAME 515 #pragma redefine_extname bind __xnet_bind 516 #pragma redefine_extname connect __xnet_connect 517 #pragma redefine_extname recvmsg __xnet_recvmsg 518 #pragma redefine_extname sendmsg __xnet_sendmsg 519 #pragma redefine_extname sendto __xnet_sendto 520 #pragma redefine_extname socket __xnet_socket 521 #pragma redefine_extname socketpair __xnet_socketpair 522 #pragma redefine_extname getsockopt __xnet_getsockopt 523 #else /* __PRAGMA_REDEFINE_EXTNAME */ 524 #define bind __xnet_bind 525 #define connect __xnet_connect 526 #define recvmsg __xnet_recvmsg 527 #define sendmsg __xnet_sendmsg 528 #define sendto __xnet_sendto 529 #define socket __xnet_socket 530 #define socketpair __xnet_socketpair 531 #define getsockopt __xnet_getsockopt 532 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 533 534 #endif /* _XPG4_2 */ 535 536 #if defined(_XPG4_2) && !defined(_XPG5) 537 #ifdef __PRAGMA_REDEFINE_EXTNAME 538 #pragma redefine_extname listen __xnet_listen 539 #else /* __PRAGMA_REDEFINE_EXTNAME */ 540 #define listen __xnet_listen 541 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 542 #endif /* (_XPG4_2) && !defined(_XPG5) */ 543 544 #if !defined(_KERNEL) || defined(_BOOT) 545 extern int accept(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 546 extern int accept4(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t, int); 547 extern int bind(int, const struct sockaddr *, socklen_t); 548 extern int connect(int, const struct sockaddr *, socklen_t); 549 extern int getpeername(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 550 extern int getsockname(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 551 extern int getsockopt(int, int, int, void *_RESTRICT_KYWD, Psocklen_t); 552 extern int listen(int, int); 553 extern int socketpair(int, int, int, int *); 554 extern ssize_t recv(int, void *, size_t, int); 555 extern ssize_t recvfrom(int, void *_RESTRICT_KYWD, size_t, int, 556 struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 557 extern ssize_t recvmsg(int, struct msghdr *, int); 558 extern ssize_t send(int, const void *, size_t, int); 559 extern ssize_t sendmsg(int, const struct msghdr *, int); 560 extern ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, 561 socklen_t); 562 extern int setsockopt(int, int, int, const void *, socklen_t); 563 extern int shutdown(int, int); 564 extern int socket(int, int, int); 565 566 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 567 extern int sockatmark(int); 568 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 569 #endif /* !defined(_KERNEL) || defined(_BOOT) */ 570 571 #ifdef __cplusplus 572 } 573 #endif 574 575 #endif /* _SYS_SOCKET_H */ 576