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 /* 54 * Historically, netinet/in.h included sys/stream.h, which pulled in 55 * several things. The more troublesome namespace pollution was from 56 * sys/stream.h so that was removed. To avoid having to fix lots of 57 * programs, pull in a few things that are now (for better or worse) 58 * expected by programs that include sys/socket.h 59 */ 60 #include <sys/param.h> 61 #include <sys/cred.h> 62 #include <sys/poll.h> 63 #include <netinet/in.h> 64 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 65 66 #ifdef __cplusplus 67 extern "C" { 68 #endif 69 70 #ifndef _SOCKLEN_T 71 #define _SOCKLEN_T 72 73 /* 74 * The socklen definitions are reproduced in netinet/in.h for the inet6_ 75 * functions. Exposing all of sys/socket.h via netinet/in.h breaks existing 76 * applications and is not required by austin. 77 */ 78 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 79 typedef size_t socklen_t; 80 #else 81 typedef uint32_t socklen_t; 82 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 83 84 #if defined(_XPG4_2) || defined(_BOOT) 85 typedef socklen_t *_RESTRICT_KYWD Psocklen_t; 86 #else 87 typedef void *_RESTRICT_KYWD Psocklen_t; 88 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 89 90 #endif /* _SOCKLEN_T */ 91 92 /* 93 * Definitions related to sockets: types, address families, options. 94 */ 95 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 96 #ifndef NC_TPI_CLTS 97 #define NC_TPI_CLTS 1 /* must agree with netconfig.h */ 98 #define NC_TPI_COTS 2 /* must agree with netconfig.h */ 99 #define NC_TPI_COTS_ORD 3 /* must agree with netconfig.h */ 100 #define NC_TPI_RAW 4 /* must agree with netconfig.h */ 101 #endif /* !NC_TPI_CLTS */ 102 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 103 104 /* 105 * Types 106 */ 107 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 108 #define SOCK_STREAM NC_TPI_COTS /* stream socket */ 109 #define SOCK_DGRAM NC_TPI_CLTS /* datagram socket */ 110 #define SOCK_RAW NC_TPI_RAW /* raw-protocol interface */ 111 #else 112 #define SOCK_STREAM 2 /* stream socket */ 113 #define SOCK_DGRAM 1 /* datagram socket */ 114 #define SOCK_RAW 4 /* raw-protocol interface */ 115 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 116 #define SOCK_RDM 5 /* reliably-delivered message */ 117 #define SOCK_SEQPACKET 6 /* sequenced packet stream */ 118 #define SOCK_TYPE_MASK 0xffff /* type reside in these bits only */ 119 120 /* 121 * Flags for socket() and accept4() 122 */ 123 #define SOCK_CLOEXEC 0x080000 /* like open(2) O_CLOEXEC for socket */ 124 #define SOCK_NONBLOCK 0x100000 /* like O_NONBLOCK */ 125 #define SOCK_NDELAY 0x200000 /* like O_NDELAY */ 126 127 /* 128 * Option flags per-socket. 129 */ 130 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 131 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 132 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 133 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 134 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 135 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 136 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 137 #define SO_LINGER 0x0080 /* linger on close if data present */ 138 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 139 #define SO_DGRAM_ERRIND 0x0200 /* Application wants delayed error */ 140 #define SO_RECVUCRED 0x0400 /* Application wants ucred of sender */ 141 142 /* 143 * Socket options are passed using a signed integer, but it is also rare 144 * for more than one to ever be passed at the same time with setsockopt 145 * and only one at a time can be retrieved with getsockopt. 146 * 147 * Since the lower numbers cannot be renumbered for compatibility reasons, 148 * it would seem that we need to start a new number space (0x40000000 - 149 * 0x7fffffff) for those that don't need to be stored as a bit flag 150 * somewhere. This limits the flag options to 30 but that seems to be 151 * plenty, anyway. 0x40000000 is reserved for future use. 152 */ 153 #define SO_ATTACH_FILTER 0x40000001 154 #define SO_DETACH_FILTER 0x40000002 155 156 #ifdef _KERNEL 157 #define SO_SND_COPYAVOID 0x0800 /* Internal: use zero-copy */ 158 #define SO_SND_BUFINFO 0x1000 /* Internal: get buffer info */ 159 /* when doing zero-copy */ 160 161 struct so_snd_bufinfo { 162 ushort_t sbi_wroff; /* Write offset */ 163 ssize_t sbi_maxblk; /* Max size of a single mblk */ 164 ssize_t sbi_maxpsz; /* Max total size of a mblk chain */ 165 ushort_t sbi_tail; /* Extra space available at the end */ 166 }; 167 #endif /* _KERNEL */ 168 169 /* 170 * N.B.: The following definition is present only for compatibility 171 * with release 3.0. It will disappear in later releases. 172 */ 173 #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */ 174 175 /* 176 * Additional options, not kept in so_options. 177 */ 178 #define SO_SNDBUF 0x1001 /* send buffer size */ 179 #define SO_RCVBUF 0x1002 /* receive buffer size */ 180 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 181 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 182 #define SO_SNDTIMEO 0x1005 /* send timeout */ 183 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 184 #define SO_ERROR 0x1007 /* get error status and clear */ 185 #define SO_TYPE 0x1008 /* get socket type */ 186 #define SO_PROTOTYPE 0x1009 /* get/set protocol type */ 187 #define SO_ANON_MLP 0x100a /* create MLP on anonymous bind */ 188 #define SO_MAC_EXEMPT 0x100b /* allow dominated unlabeled peers */ 189 #define SO_DOMAIN 0x100c /* get socket domain */ 190 #define SO_RCVPSH 0x100d /* receive interval to push data */ 191 192 /* "Socket"-level control message types: */ 193 #define SCM_RIGHTS 0x1010 /* access rights (array of int) */ 194 #define SO_SECATTR 0x1011 /* socket's security attributes */ 195 #define SCM_UCRED 0x1012 /* sender's ucred */ 196 #define SO_TIMESTAMP 0x1013 /* socket-level timestamp option */ 197 #define SCM_TIMESTAMP SO_TIMESTAMP /* socket control message timestamp */ 198 #define SO_ALLZONES 0x1014 /* bind in all zones */ 199 #define SO_EXCLBIND 0x1015 /* exclusive binding */ 200 #define SO_MAC_IMPLICIT 0x1016 /* hide mac labels on wire */ 201 #define SO_VRRP 0x1017 /* VRRP control socket */ 202 203 #ifdef _KERNEL 204 #define SO_SRCADDR 0x2001 /* Internal: AF_UNIX source address */ 205 #define SO_FILEP 0x2002 /* Internal: AF_UNIX file pointer */ 206 #define SO_UNIX_CLOSE 0x2003 /* Internal: AF_UNIX peer closed */ 207 #endif /* _KERNEL */ 208 209 /* 210 * Socket filter options 211 */ 212 #define FIL_ATTACH 0x1 /* attach filter */ 213 #define FIL_DETACH 0x2 /* detach filter */ 214 #define FIL_LIST 0x3 /* list attached filters */ 215 216 #define FILNAME_MAX 32 217 /* 218 * Structure returned by FIL_LIST 219 */ 220 struct fil_info { 221 int fi_flags; /* see below (FILF_*) */ 222 int fi_pos; /* position (0 is bottom) */ 223 char fi_name[FILNAME_MAX]; /* filter name */ 224 }; 225 226 #define FILF_PROG 0x1 /* programmatic attach */ 227 #define FILF_AUTO 0x2 /* automatic attach */ 228 #define FILF_BYPASS 0x4 /* filter is not active */ 229 230 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 231 /* 232 * new socket open flags to identify socket and acceptor streams 233 */ 234 #define SO_ACCEPTOR 0x20000 /* acceptor socket */ 235 #define SO_SOCKSTR 0x40000 /* normal socket stream */ 236 #define SO_FALLBACK 0x80000 /* fallback to TPI socket */ 237 238 /* 239 * Flags for socket_create() and socket_newconn() 240 */ 241 #define SOCKET_SLEEP KM_SLEEP 242 #define SOCKET_NOSLEEP KM_NOSLEEP 243 244 #endif /* _KERNEL */ 245 246 /* 247 * Structure used for manipulating linger option. 248 */ 249 struct linger { 250 int l_onoff; /* option on/off */ 251 int l_linger; /* linger time */ 252 }; 253 254 /* 255 * Levels for (get/set)sockopt() that don't apply to a specific protocol. 256 */ 257 #define SOL_SOCKET 0xffff /* options for socket level */ 258 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 259 #define SOL_ROUTE 0xfffe /* options for routing socket level */ 260 #endif 261 #define SOL_PACKET 0xfffd /* options for packet level */ 262 #define SOL_FILTER 0xfffc /* options for socket filter level */ 263 264 /* 265 * Address families. 266 * 267 * Some of these constant names are copied for the DTrace IP provider in 268 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 269 * in sync. 270 */ 271 #define AF_UNSPEC 0 /* unspecified */ 272 #define AF_UNIX 1 /* local to host (pipes, portals) */ 273 #define AF_LOCAL AF_UNIX /* Synonym for AF_UNIX */ 274 #define AF_FILE AF_UNIX /* Synonym for AF_UNIX */ 275 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 276 #define AF_IMPLINK 3 /* arpanet imp addresses */ 277 #define AF_PUP 4 /* pup protocols: e.g. BSP */ 278 #define AF_CHAOS 5 /* mit CHAOS protocols */ 279 #define AF_NS 6 /* XEROX NS protocols */ 280 #define AF_NBS 7 /* nbs protocols */ 281 #define AF_ECMA 8 /* european computer manufacturers */ 282 #define AF_DATAKIT 9 /* datakit protocols */ 283 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 284 #define AF_SNA 11 /* IBM SNA */ 285 #define AF_DECnet 12 /* DECnet */ 286 #define AF_DLI 13 /* Direct data link interface */ 287 #define AF_LAT 14 /* LAT */ 288 #define AF_HYLINK 15 /* NSC Hyperchannel */ 289 #define AF_APPLETALK 16 /* Apple Talk */ 290 #define AF_NIT 17 /* Network Interface Tap */ 291 #define AF_802 18 /* IEEE 802.2, also ISO 8802 */ 292 #define AF_OSI 19 /* umbrella for all families used */ 293 #define AF_X25 20 /* CCITT X.25 in particular */ 294 #define AF_OSINET 21 /* AFI = 47, IDI = 4 */ 295 #define AF_GOSIP 22 /* U.S. Government OSI */ 296 #define AF_IPX 23 /* Novell Internet Protocol */ 297 #define AF_ROUTE 24 /* Internal Routing Protocol */ 298 #define AF_LINK 25 /* Link-layer interface */ 299 #define AF_INET6 26 /* Internet Protocol, Version 6 */ 300 #define AF_KEY 27 /* Security Association DB socket */ 301 #define AF_NCA 28 /* NCA socket */ 302 #define AF_POLICY 29 /* Security Policy DB socket */ 303 #define AF_INET_OFFLOAD 30 /* Sun private; do not use */ 304 #define AF_TRILL 31 /* TRILL interface */ 305 #define AF_PACKET 32 /* PF_PACKET Linux socket interface */ 306 307 #define AF_MAX 32 308 309 /* 310 * Protocol families, same as address families for now. 311 */ 312 #define PF_UNSPEC AF_UNSPEC 313 #define PF_UNIX AF_UNIX 314 #define PF_LOCAL PF_UNIX 315 #define PF_FILE PF_UNIX 316 #define PF_INET AF_INET 317 #define PF_IMPLINK AF_IMPLINK 318 #define PF_PUP AF_PUP 319 #define PF_CHAOS AF_CHAOS 320 #define PF_NS AF_NS 321 #define PF_NBS AF_NBS 322 #define PF_ECMA AF_ECMA 323 #define PF_DATAKIT AF_DATAKIT 324 #define PF_CCITT AF_CCITT 325 #define PF_SNA AF_SNA 326 #define PF_DECnet AF_DECnet 327 #define PF_DLI AF_DLI 328 #define PF_LAT AF_LAT 329 #define PF_HYLINK AF_HYLINK 330 #define PF_APPLETALK AF_APPLETALK 331 #define PF_NIT AF_NIT 332 #define PF_802 AF_802 333 #define PF_OSI AF_OSI 334 #define PF_X25 AF_X25 335 #define PF_OSINET AF_OSINET 336 #define PF_GOSIP AF_GOSIP 337 #define PF_IPX AF_IPX 338 #define PF_ROUTE AF_ROUTE 339 #define PF_LINK AF_LINK 340 #define PF_INET6 AF_INET6 341 #define PF_KEY AF_KEY 342 #define PF_NCA AF_NCA 343 #define PF_POLICY AF_POLICY 344 #define PF_INET_OFFLOAD AF_INET_OFFLOAD /* Sun private; do not use */ 345 #define PF_TRILL AF_TRILL 346 #define PF_PACKET AF_PACKET 347 348 #define PF_MAX AF_MAX 349 350 /* 351 * Maximum queue length specifiable by listen. 352 */ 353 #define SOMAXCONN 128 354 355 /* 356 * Message header for recvmsg and sendmsg calls. 357 */ 358 struct msghdr { 359 void *msg_name; /* optional address */ 360 socklen_t msg_namelen; /* size of address */ 361 struct iovec *msg_iov; /* scatter/gather array */ 362 int msg_iovlen; /* # elements in msg_iov */ 363 364 #if defined(_XPG4_2) || defined(_KERNEL) 365 void *msg_control; /* ancillary data */ 366 socklen_t msg_controllen; /* ancillary data buffer len */ 367 int msg_flags; /* flags on received message */ 368 #else 369 caddr_t msg_accrights; /* access rights sent/received */ 370 int msg_accrightslen; 371 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 372 }; 373 374 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 375 376 /* 377 * N.B.: we assume that omsghdr and nmsghdr are isomorphic, with 378 * the sole exception that nmsghdr has the additional msg_flags 379 * field at the end. 380 */ 381 struct omsghdr { 382 void *msg_name; /* optional address */ 383 socklen_t msg_namelen; /* size of address */ 384 struct iovec *msg_iov; /* scatter/gather array */ 385 int msg_iovlen; /* # elements in msg_iov */ 386 caddr_t msg_accrights; /* access rights sent/received */ 387 int msg_accrightslen; 388 }; 389 390 #define nmsghdr msghdr 391 392 #if defined(_SYSCALL32) 393 394 struct omsghdr32 { 395 caddr32_t msg_name; /* optional address */ 396 uint32_t msg_namelen; /* size of address */ 397 caddr32_t msg_iov; /* scatter/gather array */ 398 int32_t msg_iovlen; /* # elements in msg_iov */ 399 caddr32_t msg_accrights; /* access rights sent/received */ 400 uint32_t msg_accrightslen; 401 }; 402 403 struct msghdr32 { 404 caddr32_t msg_name; /* optional address */ 405 uint32_t msg_namelen; /* size of address */ 406 caddr32_t msg_iov; /* scatter/gather array */ 407 int32_t msg_iovlen; /* # elements in msg_iov */ 408 caddr32_t msg_control; /* ancillary data */ 409 uint32_t msg_controllen; /* ancillary data buffer len */ 410 int32_t msg_flags; /* flags on received message */ 411 }; 412 413 #define nmsghdr32 msghdr32 414 415 #endif /* _SYSCALL32 */ 416 #endif /* _KERNEL */ 417 418 #define MSG_OOB 0x1 /* process out-of-band data */ 419 #define MSG_PEEK 0x2 /* peek at incoming message */ 420 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 421 #define MSG_EOR 0x8 /* Terminates a record */ 422 #define MSG_CTRUNC 0x10 /* Control data truncated */ 423 #define MSG_TRUNC 0x20 /* Normal data truncated */ 424 #define MSG_WAITALL 0x40 /* Wait for complete recv or error */ 425 #define MSG_DONTWAIT 0x80 /* Don't block for this recv */ 426 #define MSG_NOTIFICATION 0x100 /* Notification, not data */ 427 #define MSG_NOSIGNAL 0x200 /* Don't generate SIGPIPE */ 428 #define MSG_DUPCTRL 0x800 /* Save control message for use with */ 429 /* with left over data */ 430 #define MSG_XPG4_2 0x8000 /* Private: XPG4.2 flag */ 431 432 #define MSG_MAXIOVLEN 16 433 434 #ifdef _KERNEL 435 436 /* 437 * Internal-only MSG_... flags 438 */ 439 440 #define MSG_SENDTO_NOXLATE 0x08000000 /* Skip so_ux_addr_xlate */ 441 442 #define MSG_MBLK_QUICKRELE 0x10000000 /* free mblk chain */ 443 /* in timely manner */ 444 #define MSG_USERSPACE 0x20000000 /* buffer from user space */ 445 446 #endif /* _KERNEL */ 447 448 449 /* Added for XPGv2 compliance */ 450 #define SHUT_RD 0 451 #define SHUT_WR 1 452 #define SHUT_RDWR 2 453 454 struct cmsghdr { 455 socklen_t cmsg_len; /* data byte count, including hdr */ 456 int cmsg_level; /* originating protocol */ 457 int cmsg_type; /* protocol-specific type */ 458 }; 459 460 #if defined(_XPG4_2) || defined(_KERNEL) 461 #if defined(__sparc) 462 /* To maintain backward compatibility, alignment needs to be 8 on sparc. */ 463 #define _CMSG_HDR_ALIGNMENT 8 464 #else 465 /* for __i386 (and other future architectures) */ 466 #define _CMSG_HDR_ALIGNMENT 4 467 #endif /* defined(__sparc) */ 468 #endif /* defined(_XPG4_2) || defined(_KERNEL) */ 469 470 #if defined(_XPG4_2) 471 /* 472 * The cmsg headers (and macros dealing with them) were made available as 473 * part of UNIX95 and hence need to be protected with a _XPG4_2 define. 474 */ 475 #define _CMSG_DATA_ALIGNMENT (sizeof (int)) 476 #define _CMSG_HDR_ALIGN(x) (((uintptr_t)(x) + _CMSG_HDR_ALIGNMENT - 1) & \ 477 ~(_CMSG_HDR_ALIGNMENT - 1)) 478 #define _CMSG_DATA_ALIGN(x) (((uintptr_t)(x) + _CMSG_DATA_ALIGNMENT - 1) & \ 479 ~(_CMSG_DATA_ALIGNMENT - 1)) 480 #define CMSG_DATA(c) \ 481 ((unsigned char *)_CMSG_DATA_ALIGN((struct cmsghdr *)(c) + 1)) 482 483 #define CMSG_FIRSTHDR(m) \ 484 (((m)->msg_controllen < sizeof (struct cmsghdr)) ? \ 485 (struct cmsghdr *)0 : (struct cmsghdr *)((m)->msg_control)) 486 487 #define CMSG_NXTHDR(m, c) \ 488 (((c) == 0) ? CMSG_FIRSTHDR(m) : \ 489 ((((uintptr_t)_CMSG_HDR_ALIGN((char *)(c) + \ 490 ((struct cmsghdr *)(c))->cmsg_len) + sizeof (struct cmsghdr)) > \ 491 (((uintptr_t)((struct msghdr *)(m))->msg_control) + \ 492 ((uintptr_t)((struct msghdr *)(m))->msg_controllen))) ? \ 493 ((struct cmsghdr *)0) : \ 494 ((struct cmsghdr *)_CMSG_HDR_ALIGN((char *)(c) + \ 495 ((struct cmsghdr *)(c))->cmsg_len)))) 496 497 /* Amount of space + padding needed for a message of length l */ 498 #define CMSG_SPACE(l) \ 499 ((unsigned int)_CMSG_HDR_ALIGN(sizeof (struct cmsghdr) + (l))) 500 501 /* Value to be used in cmsg_len, does not include trailing padding */ 502 #define CMSG_LEN(l) \ 503 ((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l)) 504 505 #endif /* _XPG4_2 */ 506 507 #ifdef _XPG4_2 508 #ifdef __PRAGMA_REDEFINE_EXTNAME 509 #pragma redefine_extname bind __xnet_bind 510 #pragma redefine_extname connect __xnet_connect 511 #pragma redefine_extname recvmsg __xnet_recvmsg 512 #pragma redefine_extname sendmsg __xnet_sendmsg 513 #pragma redefine_extname sendto __xnet_sendto 514 #pragma redefine_extname socket __xnet_socket 515 #pragma redefine_extname socketpair __xnet_socketpair 516 #pragma redefine_extname getsockopt __xnet_getsockopt 517 #else /* __PRAGMA_REDEFINE_EXTNAME */ 518 #define bind __xnet_bind 519 #define connect __xnet_connect 520 #define recvmsg __xnet_recvmsg 521 #define sendmsg __xnet_sendmsg 522 #define sendto __xnet_sendto 523 #define socket __xnet_socket 524 #define socketpair __xnet_socketpair 525 #define getsockopt __xnet_getsockopt 526 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 527 528 #endif /* _XPG4_2 */ 529 530 #if defined(_XPG4_2) && !defined(_XPG5) 531 #ifdef __PRAGMA_REDEFINE_EXTNAME 532 #pragma redefine_extname listen __xnet_listen 533 #else /* __PRAGMA_REDEFINE_EXTNAME */ 534 #define listen __xnet_listen 535 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 536 #endif /* (_XPG4_2) && !defined(_XPG5) */ 537 538 #if !defined(_KERNEL) || defined(_BOOT) 539 extern int accept(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 540 extern int accept4(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t, int); 541 extern int bind(int, const struct sockaddr *, socklen_t); 542 extern int connect(int, const struct sockaddr *, socklen_t); 543 extern int getpeername(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 544 extern int getsockname(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 545 extern int getsockopt(int, int, int, void *_RESTRICT_KYWD, Psocklen_t); 546 extern int listen(int, int); /* XXX - fixme??? where do I go */ 547 extern int socketpair(int, int, int, int *); 548 extern ssize_t recv(int, void *, size_t, int); 549 extern ssize_t recvfrom(int, void *_RESTRICT_KYWD, size_t, int, 550 struct sockaddr *_RESTRICT_KYWD, Psocklen_t); 551 extern ssize_t recvmsg(int, struct msghdr *, int); 552 extern ssize_t send(int, const void *, size_t, int); 553 extern ssize_t sendmsg(int, const struct msghdr *, int); 554 extern ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, 555 socklen_t); 556 extern int setsockopt(int, int, int, const void *, socklen_t); 557 extern int shutdown(int, int); 558 extern int socket(int, int, int); 559 560 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 561 extern int sockatmark(int); 562 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 563 #endif /* !defined(_KERNEL) || defined(_BOOT) */ 564 565 #ifdef __cplusplus 566 } 567 #endif 568 569 #endif /* _SYS_SOCKET_H */ 570