2 * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
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12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)socket.h 8.4 (Berkeley) 2/21/94
33 #ifndef _SYS_SOCKET_H_
34 #define _SYS_SOCKET_H_
36 #include <sys/cdefs.h>
37 #include <sys/_types.h>
38 #include <sys/_iovec.h>
39 #include <machine/_align.h>
42 * Definitions related to sockets: types, address families, options.
49 #ifndef _GID_T_DECLARED
50 typedef __gid_t gid_t;
51 #define _GID_T_DECLARED
54 #ifndef _OFF_T_DECLARED
55 typedef __off_t off_t;
56 #define _OFF_T_DECLARED
59 #ifndef _PID_T_DECLARED
60 typedef __pid_t pid_t;
61 #define _PID_T_DECLARED
65 #ifndef _SA_FAMILY_T_DECLARED
66 typedef __sa_family_t sa_family_t;
67 #define _SA_FAMILY_T_DECLARED
70 #ifndef _SOCKLEN_T_DECLARED
71 typedef __socklen_t socklen_t;
72 #define _SOCKLEN_T_DECLARED
75 #ifndef _SSIZE_T_DECLARED
76 typedef __ssize_t ssize_t;
77 #define _SSIZE_T_DECLARED
81 #ifndef _UID_T_DECLARED
82 typedef __uid_t uid_t;
83 #define _UID_T_DECLARED
87 #ifndef _UINT32_T_DECLARED
88 typedef __uint32_t uint32_t;
89 #define _UINT32_T_DECLARED
92 #ifndef _UINTPTR_T_DECLARED
93 typedef __uintptr_t uintptr_t;
94 #define _UINTPTR_T_DECLARED
100 #define SOCK_STREAM 1 /* stream socket */
101 #define SOCK_DGRAM 2 /* datagram socket */
102 #define SOCK_RAW 3 /* raw-protocol interface */
104 #define SOCK_RDM 4 /* reliably-delivered message */
106 #define SOCK_SEQPACKET 5 /* sequenced packet stream */
110 * Creation flags, OR'ed into socket() and socketpair() type argument.
112 #define SOCK_CLOEXEC 0x10000000
113 #define SOCK_NONBLOCK 0x20000000
117 * Option flags per-socket.
119 #define SO_DEBUG 0x0001 /* turn on debugging info recording */
120 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
121 #define SO_REUSEADDR 0x0004 /* allow local address reuse */
122 #define SO_KEEPALIVE 0x0008 /* keep connections alive */
123 #define SO_DONTROUTE 0x0010 /* just use interface addresses */
124 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
126 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
128 #define SO_LINGER 0x0080 /* linger on close if data present */
129 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
131 #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
132 #define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */
133 #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */
134 #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */
135 #define SO_BINTIME 0x2000 /* timestamp received dgram traffic */
137 #define SO_NO_OFFLOAD 0x4000 /* socket cannot be offloaded */
138 #define SO_NO_DDP 0x8000 /* disable direct data placement */
141 * Additional options, not kept in so_options.
143 #define SO_SNDBUF 0x1001 /* send buffer size */
144 #define SO_RCVBUF 0x1002 /* receive buffer size */
145 #define SO_SNDLOWAT 0x1003 /* send low-water mark */
146 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
147 #define SO_SNDTIMEO 0x1005 /* send timeout */
148 #define SO_RCVTIMEO 0x1006 /* receive timeout */
149 #define SO_ERROR 0x1007 /* get error status and clear */
150 #define SO_TYPE 0x1008 /* get socket type */
152 #define SO_LABEL 0x1009 /* socket's MAC label */
153 #define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */
154 #define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */
155 #define SO_LISTENQLEN 0x1012 /* socket's complete queue length */
156 #define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */
157 #define SO_SETFIB 0x1014 /* use this FIB to route */
158 #define SO_USER_COOKIE 0x1015 /* user cookie (dummynet etc.) */
159 #define SO_PROTOCOL 0x1016 /* get socket protocol (Linux name) */
160 #define SO_PROTOTYPE SO_PROTOCOL /* alias for SO_PROTOCOL (SunOS name) */
161 #define SO_TS_CLOCK 0x1017 /* clock type used for SO_TIMESTAMP */
162 #define SO_MAX_PACING_RATE 0x1018 /* socket's max TX pacing rate (Linux name) */
166 #define SO_TS_REALTIME_MICRO 0 /* microsecond resolution, realtime */
167 #define SO_TS_BINTIME 1 /* sub-nanosecond resolution, realtime */
168 #define SO_TS_REALTIME 2 /* nanosecond resolution, realtime */
169 #define SO_TS_MONOTONIC 3 /* nanosecond resolution, monotonic */
170 #define SO_TS_DEFAULT SO_TS_REALTIME_MICRO
171 #define SO_TS_CLOCK_MAX SO_TS_MONOTONIC
175 * Space reserved for new socket options added by third-party vendors.
176 * This range applies to all socket option levels. New socket options
177 * in FreeBSD should always use an option value less than SO_VENDOR.
180 #define SO_VENDOR 0x80000000
184 * Structure used for manipulating linger option.
187 int l_onoff; /* option on/off */
188 int l_linger; /* linger time */
192 struct accept_filter_arg {
199 * Level number for (get/set)sockopt() to apply to socket itself.
201 #define SOL_SOCKET 0xffff /* options for socket level */
206 #define AF_UNSPEC 0 /* unspecified */
208 #define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */
210 #define AF_UNIX 1 /* standardized name for AF_LOCAL */
211 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
213 #define AF_IMPLINK 3 /* arpanet imp addresses */
214 #define AF_PUP 4 /* pup protocols: e.g. BSP */
215 #define AF_CHAOS 5 /* mit CHAOS protocols */
216 #define AF_NETBIOS 6 /* SMB protocols */
217 #define AF_ISO 7 /* ISO protocols */
218 #define AF_OSI AF_ISO
219 #define AF_ECMA 8 /* European computer manufacturers */
220 #define AF_DATAKIT 9 /* datakit protocols */
221 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
222 #define AF_SNA 11 /* IBM SNA */
223 #define AF_DECnet 12 /* DECnet */
224 #define AF_DLI 13 /* DEC Direct data link interface */
225 #define AF_LAT 14 /* LAT */
226 #define AF_HYLINK 15 /* NSC Hyperchannel */
227 #define AF_APPLETALK 16 /* Apple Talk */
228 #define AF_ROUTE 17 /* Internal Routing Protocol */
229 #define AF_LINK 18 /* Link layer interface */
230 #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
231 #define AF_COIP 20 /* connection-oriented IP, aka ST II */
232 #define AF_CNT 21 /* Computer Network Technology */
233 #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
234 #define AF_IPX 23 /* Novell Internet Protocol */
235 #define AF_SIP 24 /* Simple Internet Protocol */
236 #define pseudo_AF_PIP 25 /* Help Identify PIP packets */
237 #define AF_ISDN 26 /* Integrated Services Digital Network*/
238 #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
239 #define pseudo_AF_KEY 27 /* Internal key-management function */
241 #define AF_INET6 28 /* IPv6 */
243 #define AF_NATM 29 /* native ATM access */
244 #define AF_ATM 30 /* ATM */
245 #define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers
246 * in interface output routine
248 #define AF_NETGRAPH 32 /* Netgraph sockets */
249 #define AF_SLOW 33 /* 802.3ad slow protocol */
250 #define AF_SCLUSTER 34 /* Sitara cluster protocol */
252 #define AF_BLUETOOTH 36 /* Bluetooth sockets */
253 #define AF_IEEE80211 37 /* IEEE 802.11 protocol */
254 #define AF_INET_SDP 40 /* OFED Socket Direct Protocol ipv4 */
255 #define AF_INET6_SDP 42 /* OFED Socket Direct Protocol ipv6 */
258 * When allocating a new AF_ constant, please only allocate
259 * even numbered constants for FreeBSD until 134 as odd numbered AF_
260 * constants 39-133 are now reserved for vendors.
262 #define AF_VENDOR00 39
263 #define AF_VENDOR01 41
264 #define AF_VENDOR02 43
265 #define AF_VENDOR03 45
266 #define AF_VENDOR04 47
267 #define AF_VENDOR05 49
268 #define AF_VENDOR06 51
269 #define AF_VENDOR07 53
270 #define AF_VENDOR08 55
271 #define AF_VENDOR09 57
272 #define AF_VENDOR10 59
273 #define AF_VENDOR11 61
274 #define AF_VENDOR12 63
275 #define AF_VENDOR13 65
276 #define AF_VENDOR14 67
277 #define AF_VENDOR15 69
278 #define AF_VENDOR16 71
279 #define AF_VENDOR17 73
280 #define AF_VENDOR18 75
281 #define AF_VENDOR19 77
282 #define AF_VENDOR20 79
283 #define AF_VENDOR21 81
284 #define AF_VENDOR22 83
285 #define AF_VENDOR23 85
286 #define AF_VENDOR24 87
287 #define AF_VENDOR25 89
288 #define AF_VENDOR26 91
289 #define AF_VENDOR27 93
290 #define AF_VENDOR28 95
291 #define AF_VENDOR29 97
292 #define AF_VENDOR30 99
293 #define AF_VENDOR31 101
294 #define AF_VENDOR32 103
295 #define AF_VENDOR33 105
296 #define AF_VENDOR34 107
297 #define AF_VENDOR35 109
298 #define AF_VENDOR36 111
299 #define AF_VENDOR37 113
300 #define AF_VENDOR38 115
301 #define AF_VENDOR39 117
302 #define AF_VENDOR40 119
303 #define AF_VENDOR41 121
304 #define AF_VENDOR42 123
305 #define AF_VENDOR43 125
306 #define AF_VENDOR44 127
307 #define AF_VENDOR45 129
308 #define AF_VENDOR46 131
309 #define AF_VENDOR47 133
313 * Structure used by kernel to store most
317 unsigned char sa_len; /* total length */
318 sa_family_t sa_family; /* address family */
319 char sa_data[14]; /* actually longer; address value */
322 #define SOCK_MAXADDRLEN 255 /* longest possible addresses */
325 * Structure used by kernel to pass protocol
326 * information in raw sockets.
329 unsigned short sp_family; /* address family */
330 unsigned short sp_protocol; /* protocol */
334 #include <sys/_sockaddr_storage.h>
338 * Protocol families, same as address families for now.
340 #define PF_UNSPEC AF_UNSPEC
341 #define PF_LOCAL AF_LOCAL
342 #define PF_UNIX PF_LOCAL /* backward compatibility */
343 #define PF_INET AF_INET
344 #define PF_IMPLINK AF_IMPLINK
345 #define PF_PUP AF_PUP
346 #define PF_CHAOS AF_CHAOS
347 #define PF_NETBIOS AF_NETBIOS
348 #define PF_ISO AF_ISO
349 #define PF_OSI AF_ISO
350 #define PF_ECMA AF_ECMA
351 #define PF_DATAKIT AF_DATAKIT
352 #define PF_CCITT AF_CCITT
353 #define PF_SNA AF_SNA
354 #define PF_DECnet AF_DECnet
355 #define PF_DLI AF_DLI
356 #define PF_LAT AF_LAT
357 #define PF_HYLINK AF_HYLINK
358 #define PF_APPLETALK AF_APPLETALK
359 #define PF_ROUTE AF_ROUTE
360 #define PF_LINK AF_LINK
361 #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
362 #define PF_COIP AF_COIP
363 #define PF_CNT AF_CNT
364 #define PF_SIP AF_SIP
365 #define PF_IPX AF_IPX
366 #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
367 #define PF_PIP pseudo_AF_PIP
368 #define PF_ISDN AF_ISDN
369 #define PF_KEY pseudo_AF_KEY
370 #define PF_INET6 AF_INET6
371 #define PF_NATM AF_NATM
372 #define PF_ATM AF_ATM
373 #define PF_NETGRAPH AF_NETGRAPH
374 #define PF_SLOW AF_SLOW
375 #define PF_SCLUSTER AF_SCLUSTER
376 #define PF_ARP AF_ARP
377 #define PF_BLUETOOTH AF_BLUETOOTH
378 #define PF_IEEE80211 AF_IEEE80211
379 #define PF_INET_SDP AF_INET_SDP
380 #define PF_INET6_SDP AF_INET6_SDP
382 #define PF_MAX AF_MAX
385 * Definitions for network related sysctl, CTL_NET.
387 * Second level is protocol family.
388 * Third level is protocol number.
390 * Further levels are defined by the individual families.
394 * PF_ROUTE - Routing table
396 * Three additional levels are defined:
397 * Fourth: address family, 0 is wildcard
398 * Fifth: type of info, defined below
399 * Sixth: flag(s) to mask with for NET_RT_FLAGS
401 #define NET_RT_DUMP 1 /* dump; may limit to a.f. */
402 #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
403 #define NET_RT_IFLIST 3 /* survey interface list */
404 #define NET_RT_IFMALIST 4 /* return multicast address list */
405 #define NET_RT_IFLISTL 5 /* Survey interface list, using 'l'en
406 * versions of msghdr structs. */
407 #endif /* __BSD_VISIBLE */
410 * Maximum queue length specifiable by listen.
412 #define SOMAXCONN 128
415 * Message header for recvmsg and sendmsg calls.
416 * Used value-result for recvmsg, value only for sendmsg.
419 void *msg_name; /* optional address */
420 socklen_t msg_namelen; /* size of address */
421 struct iovec *msg_iov; /* scatter/gather array */
422 int msg_iovlen; /* # elements in msg_iov */
423 void *msg_control; /* ancillary data, see below */
424 socklen_t msg_controllen; /* ancillary data buffer len */
425 int msg_flags; /* flags on received message */
428 #define MSG_OOB 0x00000001 /* process out-of-band data */
429 #define MSG_PEEK 0x00000002 /* peek at incoming message */
430 #define MSG_DONTROUTE 0x00000004 /* send without using routing tables */
431 #define MSG_EOR 0x00000008 /* data completes record */
432 #define MSG_TRUNC 0x00000010 /* data discarded before delivery */
433 #define MSG_CTRUNC 0x00000020 /* control data lost before delivery */
434 #define MSG_WAITALL 0x00000040 /* wait for full request or error */
436 #define MSG_DONTWAIT 0x00000080 /* this message should be nonblocking */
437 #define MSG_EOF 0x00000100 /* data completes connection */
438 /* 0x00000200 unused */
439 /* 0x00000400 unused */
440 /* 0x00000800 unused */
441 /* 0x00001000 unused */
442 #define MSG_NOTIFICATION 0x00002000 /* SCTP notification */
443 #define MSG_NBIO 0x00004000 /* FIONBIO mode, used by fifofs */
444 #define MSG_COMPAT 0x00008000 /* used in sendit() */
447 #define MSG_SOCALLBCK 0x00010000 /* for use by socket callbacks - soreceive (TCP) */
449 #if __POSIX_VISIBLE >= 200809
450 #define MSG_NOSIGNAL 0x00020000 /* do not generate SIGPIPE on EOF */
453 #define MSG_CMSG_CLOEXEC 0x00040000 /* make received fds close-on-exec */
454 #define MSG_WAITFORONE 0x00080000 /* for recvmmsg() */
457 #define MSG_MORETOCOME 0x00100000 /* additional data pending */
461 * Header for ancillary data objects in msg_control buffer.
462 * Used for additional information with/about a datagram
463 * not expressible by flags. The format is a sequence
464 * of message elements headed by cmsghdr structures.
467 socklen_t cmsg_len; /* data byte count, including hdr */
468 int cmsg_level; /* originating protocol */
469 int cmsg_type; /* protocol-specific type */
470 /* followed by u_char cmsg_data[]; */
475 * While we may have more groups than this, the cmsgcred struct must
476 * be able to fit in an mbuf and we have historically supported a
477 * maximum of 16 groups.
479 #define CMGROUP_MAX 16
482 * Credentials structure, used to verify the identity of a peer
483 * process that has sent us a message. This is allocated by the
484 * peer process but filled in by the kernel. This prevents the
485 * peer from lying about its identity. (Note that cmcred_groups[0]
486 * is the effective GID.)
489 pid_t cmcred_pid; /* PID of sending process */
490 uid_t cmcred_uid; /* real UID of sending process */
491 uid_t cmcred_euid; /* effective UID of sending process */
492 gid_t cmcred_gid; /* real GID of sending process */
493 short cmcred_ngroups; /* number or groups */
494 gid_t cmcred_groups[CMGROUP_MAX]; /* groups */
498 * Socket credentials.
501 uid_t sc_uid; /* real user id */
502 uid_t sc_euid; /* effective user id */
503 gid_t sc_gid; /* real group id */
504 gid_t sc_egid; /* effective group id */
505 int sc_ngroups; /* number of supplemental groups */
506 gid_t sc_groups[1]; /* variable length */
510 * Compute size of a sockcred structure with groups.
512 #define SOCKCREDSIZE(ngrps) \
513 (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
515 #endif /* __BSD_VISIBLE */
517 /* given pointer to struct cmsghdr, return pointer to data */
518 #define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
519 _ALIGN(sizeof(struct cmsghdr)))
521 /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
522 #define CMSG_NXTHDR(mhdr, cmsg) \
523 ((char *)(cmsg) == (char *)0 ? CMSG_FIRSTHDR(mhdr) : \
524 ((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \
525 _ALIGN(sizeof(struct cmsghdr)) > \
526 (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \
527 (struct cmsghdr *)0 : \
528 (struct cmsghdr *)(void *)((char *)(cmsg) + \
529 _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len)))
532 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
533 * an empty list for some reasons.
535 #define CMSG_FIRSTHDR(mhdr) \
536 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
537 (struct cmsghdr *)(mhdr)->msg_control : \
541 /* RFC 2292 additions */
542 #define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l))
543 #define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l))
547 #define CMSG_ALIGN(n) _ALIGN(n)
550 /* "Socket"-level control message types: */
551 #define SCM_RIGHTS 0x01 /* access rights (array of int) */
553 #define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */
554 #define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */
555 #define SCM_BINTIME 0x04 /* timestamp (struct bintime) */
556 #define SCM_REALTIME 0x05 /* timestamp (struct timespec) */
557 #define SCM_MONOTONIC 0x06 /* timestamp (struct timespec) */
562 * 4.3 compat sockaddr, move to compat file later
565 unsigned short sa_family; /* address family */
566 char sa_data[14]; /* up to 14 bytes of direct address */
570 * 4.3-compat message header (move to compat file later).
573 char *msg_name; /* optional address */
574 int msg_namelen; /* size of address */
575 struct iovec *msg_iov; /* scatter/gather array */
576 int msg_iovlen; /* # elements in msg_iov */
577 char *msg_accrights; /* access rights sent/received */
578 int msg_accrightslen;
583 * howto arguments for shutdown(2), specified by Posix.1g.
585 #define SHUT_RD 0 /* shut down the reading side */
586 #define SHUT_WR 1 /* shut down the writing side */
587 #define SHUT_RDWR 2 /* shut down both sides */
591 /* we cheat and use the SHUT_XX defines for these */
592 #define PRU_FLUSH_RD SHUT_RD
593 #define PRU_FLUSH_WR SHUT_WR
594 #define PRU_FLUSH_RDWR SHUT_RDWR
600 * sendfile(2) header/trailer struct
603 struct iovec *headers; /* pointer to an array of header struct iovec's */
604 int hdr_cnt; /* number of header iovec's */
605 struct iovec *trailers; /* pointer to an array of trailer struct iovec's */
606 int trl_cnt; /* number of trailer iovec's */
610 * Sendfile-specific flag(s)
612 #define SF_NODISKIO 0x00000001
613 #define SF_MNOWAIT 0x00000002 /* obsolete */
614 #define SF_SYNC 0x00000004
615 #define SF_USER_READAHEAD 0x00000008
616 #define SF_NOCACHE 0x00000010
617 #define SF_FLAGS(rh, flags) (((rh) << 16) | (flags))
620 #define SF_READAHEAD(flags) ((flags) >> 16)
624 * Sendmmsg/recvmmsg specific structure(s)
627 struct msghdr msg_hdr; /* message header */
628 ssize_t msg_len; /* message length */
630 #endif /* __BSD_VISIBLE */
634 #include <sys/cdefs.h>
637 int accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
638 int bind(int, const struct sockaddr *, socklen_t);
639 int connect(int, const struct sockaddr *, socklen_t);
641 int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
642 int bindat(int, int, const struct sockaddr *, socklen_t);
643 int connectat(int, int, const struct sockaddr *, socklen_t);
645 int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
646 int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
647 int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict);
648 int listen(int, int);
649 ssize_t recv(int, void *, size_t, int);
650 ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict);
651 ssize_t recvmsg(int, struct msghdr *, int);
654 ssize_t recvmmsg(int, struct mmsghdr * __restrict, size_t, int,
655 const struct timespec * __restrict);
657 ssize_t send(int, const void *, size_t, int);
658 ssize_t sendto(int, const void *,
659 size_t, int, const struct sockaddr *, socklen_t);
660 ssize_t sendmsg(int, const struct msghdr *, int);
662 int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int);
663 ssize_t sendmmsg(int, struct mmsghdr * __restrict, size_t, int);
666 int setsockopt(int, int, int, const void *, socklen_t);
667 int shutdown(int, int);
669 int socket(int, int, int);
670 int socketpair(int, int, int, int *);
673 #endif /* !_KERNEL */
678 struct tcpcb *so_sototcpcb(struct socket *so);
679 struct inpcb *so_sotoinpcb(struct socket *so);
680 struct sockbuf *so_sockbuf_snd(struct socket *);
681 struct sockbuf *so_sockbuf_rcv(struct socket *);
683 int so_state_get(const struct socket *);
684 void so_state_set(struct socket *, int);
686 int so_options_get(const struct socket *);
687 void so_options_set(struct socket *, int);
689 int so_error_get(const struct socket *);
690 void so_error_set(struct socket *, int);
692 int so_linger_get(const struct socket *);
693 void so_linger_set(struct socket *, int);
695 struct protosw *so_protosw_get(const struct socket *);
696 void so_protosw_set(struct socket *, struct protosw *);
698 void so_sorwakeup_locked(struct socket *so);
699 void so_sowwakeup_locked(struct socket *so);
701 void so_sorwakeup(struct socket *so);
702 void so_sowwakeup(struct socket *so);
704 void so_lock(struct socket *so);
705 void so_unlock(struct socket *so);
707 void so_listeners_apply_all(struct socket *so, void (*func)(struct socket *, void *), void *arg);
712 #endif /* !_SYS_SOCKET_H_ */