[BACK]Return to socket.h CVS log [TXT][DIR] Up to [cvs.NetBSD.org] / src / sys / sys

Annotation of src/sys/sys/socket.h, Revision 1.54.2.1

1.54.2.1! minoura     1: /*     $NetBSD: socket.h,v 1.55 2000/06/04 08:50:28 itojun Exp $       */
1.44      itojun      2:
                      3: /*
                      4:  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. Neither the name of the project nor the names of its contributors
                     16:  *    may be used to endorse or promote products derived from this software
                     17:  *    without specific prior written permission.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
                     20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
                     23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29:  * SUCH DAMAGE.
                     30:  */
1.10      cgd        31:
1.1       cgd        32: /*
1.8       mycroft    33:  * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
                     34:  *     The Regents of the University of California.  All rights reserved.
1.1       cgd        35:  *
                     36:  * Redistribution and use in source and binary forms, with or without
                     37:  * modification, are permitted provided that the following conditions
                     38:  * are met:
                     39:  * 1. Redistributions of source code must retain the above copyright
                     40:  *    notice, this list of conditions and the following disclaimer.
                     41:  * 2. Redistributions in binary form must reproduce the above copyright
                     42:  *    notice, this list of conditions and the following disclaimer in the
                     43:  *    documentation and/or other materials provided with the distribution.
                     44:  * 3. All advertising materials mentioning features or use of this software
                     45:  *    must display the following acknowledgement:
                     46:  *     This product includes software developed by the University of
                     47:  *     California, Berkeley and its contributors.
                     48:  * 4. Neither the name of the University nor the names of its contributors
                     49:  *    may be used to endorse or promote products derived from this software
                     50:  *    without specific prior written permission.
                     51:  *
                     52:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     53:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     54:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     55:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     56:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     57:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     58:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     59:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     60:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     61:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     62:  * SUCH DAMAGE.
                     63:  *
1.28      fvdl       64:  *     @(#)socket.h    8.6 (Berkeley) 5/3/95
1.1       cgd        65:  */
                     66:
1.2       mycroft    67: #ifndef _SYS_SOCKET_H_
1.8       mycroft    68: #define        _SYS_SOCKET_H_
1.2       mycroft    69:
1.1       cgd        70: /*
                     71:  * Definitions related to sockets: types, address families, options.
                     72:  */
                     73:
                     74: /*
1.42      kleink     75:  * Data types.
                     76:  */
1.54.2.1! minoura    77: #include <sys/ansi.h>
        !            78: #ifndef socklen_t
        !            79: typedef __socklen_t    socklen_t;
        !            80: #define socklen_t      socklen_t
        !            81: #endif
1.42      kleink     82:
                     83: /*
                     84:  * Socket types.
1.1       cgd        85:  */
                     86: #define        SOCK_STREAM     1               /* stream socket */
                     87: #define        SOCK_DGRAM      2               /* datagram socket */
                     88: #define        SOCK_RAW        3               /* raw-protocol interface */
                     89: #define        SOCK_RDM        4               /* reliably-delivered message */
                     90: #define        SOCK_SEQPACKET  5               /* sequenced packet stream */
                     91:
                     92: /*
                     93:  * Option flags per-socket.
                     94:  */
                     95: #define        SO_DEBUG        0x0001          /* turn on debugging info recording */
                     96: #define        SO_ACCEPTCONN   0x0002          /* socket has had listen() */
                     97: #define        SO_REUSEADDR    0x0004          /* allow local address reuse */
                     98: #define        SO_KEEPALIVE    0x0008          /* keep connections alive */
                     99: #define        SO_DONTROUTE    0x0010          /* just use interface addresses */
                    100: #define        SO_BROADCAST    0x0020          /* permit sending of broadcast msgs */
                    101: #define        SO_USELOOPBACK  0x0040          /* bypass hardware when possible */
                    102: #define        SO_LINGER       0x0080          /* linger on close if data present */
                    103: #define        SO_OOBINLINE    0x0100          /* leave received OOB data in line */
1.8       mycroft   104: #define        SO_REUSEPORT    0x0200          /* allow local address & port reuse */
1.18      thorpej   105: #define        SO_TIMESTAMP    0x0400          /* timestamp received dgram traffic */
1.1       cgd       106:
                    107: /*
                    108:  * Additional options, not kept in so_options.
                    109:  */
                    110: #define SO_SNDBUF      0x1001          /* send buffer size */
                    111: #define SO_RCVBUF      0x1002          /* receive buffer size */
                    112: #define SO_SNDLOWAT    0x1003          /* send low-water mark */
                    113: #define SO_RCVLOWAT    0x1004          /* receive low-water mark */
                    114: #define SO_SNDTIMEO    0x1005          /* send timeout */
                    115: #define SO_RCVTIMEO    0x1006          /* receive timeout */
                    116: #define        SO_ERROR        0x1007          /* get error status and clear */
                    117: #define        SO_TYPE         0x1008          /* get socket type */
                    118:
                    119: /*
                    120:  * Structure used for manipulating linger option.
                    121:  */
                    122: struct linger {
                    123:        int     l_onoff;                /* option on/off */
1.28      fvdl      124:        int     l_linger;               /* linger time in seconds */
1.1       cgd       125: };
                    126:
                    127: /*
                    128:  * Level number for (get/set)sockopt() to apply to socket itself.
                    129:  */
                    130: #define        SOL_SOCKET      0xffff          /* options for socket level */
                    131:
                    132: /*
                    133:  * Address families.
                    134:  */
                    135: #define        AF_UNSPEC       0               /* unspecified */
1.8       mycroft   136: #define        AF_LOCAL        1               /* local to host (pipes, portals) */
                    137: #define        AF_UNIX         AF_LOCAL        /* backward compatibility */
1.1       cgd       138: #define        AF_INET         2               /* internetwork: UDP, TCP, etc. */
                    139: #define        AF_IMPLINK      3               /* arpanet imp addresses */
                    140: #define        AF_PUP          4               /* pup protocols: e.g. BSP */
                    141: #define        AF_CHAOS        5               /* mit CHAOS protocols */
                    142: #define        AF_NS           6               /* XEROX NS protocols */
                    143: #define        AF_ISO          7               /* ISO protocols */
                    144: #define        AF_OSI          AF_ISO
                    145: #define        AF_ECMA         8               /* european computer manufacturers */
                    146: #define        AF_DATAKIT      9               /* datakit protocols */
                    147: #define        AF_CCITT        10              /* CCITT protocols, X.25 etc */
                    148: #define        AF_SNA          11              /* IBM SNA */
                    149: #define AF_DECnet      12              /* DECnet */
                    150: #define AF_DLI         13              /* DEC Direct data link interface */
                    151: #define AF_LAT         14              /* LAT */
                    152: #define        AF_HYLINK       15              /* NSC Hyperchannel */
                    153: #define        AF_APPLETALK    16              /* Apple Talk */
                    154: #define        AF_ROUTE        17              /* Internal Routing Protocol */
                    155: #define        AF_LINK         18              /* Link layer interface */
1.42      kleink    156: #if !defined(_XOPEN_SOURCE)
1.1       cgd       157: #define        pseudo_AF_XTP   19              /* eXpress Transfer Protocol (no AF) */
1.42      kleink    158: #endif
1.8       mycroft   159: #define        AF_COIP         20              /* connection-oriented IP, aka ST II */
                    160: #define        AF_CNT          21              /* Computer Network Technology */
1.42      kleink    161: #if !defined(_XOPEN_SOURCE)
1.8       mycroft   162: #define pseudo_AF_RTIP 22              /* Help Identify RTIP packets */
1.42      kleink    163: #endif
1.8       mycroft   164: #define        AF_IPX          23              /* Novell Internet Protocol */
1.21      sommerfe  165: #define        AF_INET6        24              /* IP version 6 */
1.42      kleink    166: #if !defined(_XOPEN_SOURCE)
1.8       mycroft   167: #define pseudo_AF_PIP  25              /* Help Identify PIP packets */
1.42      kleink    168: #endif
1.17      chuck     169: #define AF_ISDN                26              /* Integrated Services Digital Network*/
                    170: #define AF_E164                AF_ISDN         /* CCITT E.164 recommendation */
                    171: #define AF_NATM                27              /* native ATM access */
1.19      is        172: #define AF_ARP         28              /* (rev.) addr. res. prot. (RFC 826) */
1.42      kleink    173: #if !defined(_XOPEN_SOURCE)
1.21      sommerfe  174: #define pseudo_AF_KEY  29              /* Internal key management protocol  */
1.31      thorpej   175: #define        pseudo_AF_HDRCMPLT 30           /* Used by BPF to not rewrite hdrs
                    176:                                           in interface output routine */
1.42      kleink    177: #endif
1.1       cgd       178:
1.31      thorpej   179: #define        AF_MAX          31
1.1       cgd       180:
                    181: /*
1.26      thorpej   182:  * Structure used by kernel to store most
                    183:  * addresses.
1.1       cgd       184:  */
                    185: struct sockaddr {
                    186:        u_char  sa_len;                 /* total length */
                    187:        u_char  sa_family;              /* address family */
                    188:        char    sa_data[14];            /* actually longer; address value */
1.26      thorpej   189: };
1.1       cgd       190:
1.42      kleink    191: #if defined(_KERNEL)
1.1       cgd       192: /*
                    193:  * Structure used by kernel to pass protocol
                    194:  * information in raw sockets.
                    195:  */
                    196: struct sockproto {
                    197:        u_short sp_family;              /* address family */
                    198:        u_short sp_protocol;            /* protocol */
                    199: };
1.42      kleink    200: #endif /* _KERNEL */
1.1       cgd       201:
1.44      itojun    202: #if 1
                    203: /*
                    204:  * RFC 2553: protocol-independent placeholder for socket addresses
                    205:  */
                    206: #define _SS_MAXSIZE    128
                    207: #define _SS_ALIGNSIZE  (sizeof(int64_t))
                    208: #define _SS_PAD1SIZE   (_SS_ALIGNSIZE - sizeof(u_char) * 2)
                    209: #define _SS_PAD2SIZE   (_SS_MAXSIZE - sizeof(u_char) * 2 - \
                    210:                                _SS_PAD1SIZE - _SS_ALIGNSIZE)
                    211:
1.46      kleink    212: #if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 500
1.44      itojun    213: struct sockaddr_storage {
1.48      itojun    214:        u_char  ss_len;         /* address length */
                    215:        u_char  ss_family;      /* address family */
1.44      itojun    216:        char    __ss_pad1[_SS_PAD1SIZE];
                    217:        int64_t __ss_align;     /* force desired structure storage alignment */
                    218:        char    __ss_pad2[_SS_PAD2SIZE];
                    219: };
1.46      kleink    220: #endif /* !_XOPEN_SOURCE || ... */
                    221: #endif /* 1 */
1.44      itojun    222:
1.1       cgd       223: /*
                    224:  * Protocol families, same as address families for now.
                    225:  */
                    226: #define        PF_UNSPEC       AF_UNSPEC
1.8       mycroft   227: #define        PF_LOCAL        AF_LOCAL
                    228: #define        PF_UNIX         PF_LOCAL        /* backward compatibility */
1.1       cgd       229: #define        PF_INET         AF_INET
                    230: #define        PF_IMPLINK      AF_IMPLINK
                    231: #define        PF_PUP          AF_PUP
                    232: #define        PF_CHAOS        AF_CHAOS
                    233: #define        PF_NS           AF_NS
                    234: #define        PF_ISO          AF_ISO
                    235: #define        PF_OSI          AF_ISO
                    236: #define        PF_ECMA         AF_ECMA
                    237: #define        PF_DATAKIT      AF_DATAKIT
                    238: #define        PF_CCITT        AF_CCITT
                    239: #define        PF_SNA          AF_SNA
                    240: #define PF_DECnet      AF_DECnet
                    241: #define PF_DLI         AF_DLI
                    242: #define PF_LAT         AF_LAT
                    243: #define        PF_HYLINK       AF_HYLINK
                    244: #define        PF_APPLETALK    AF_APPLETALK
                    245: #define        PF_ROUTE        AF_ROUTE
                    246: #define        PF_LINK         AF_LINK
1.42      kleink    247: #if !defined(_XOPEN_SOURCE)
1.1       cgd       248: #define        PF_XTP          pseudo_AF_XTP   /* really just proto family, no AF */
1.42      kleink    249: #endif
1.8       mycroft   250: #define        PF_COIP         AF_COIP
                    251: #define        PF_CNT          AF_CNT
1.21      sommerfe  252: #define        PF_INET6        AF_INET6
1.8       mycroft   253: #define        PF_IPX          AF_IPX          /* same format as AF_NS */
1.42      kleink    254: #if !defined(_XOPEN_SOURCE)
1.8       mycroft   255: #define PF_RTIP                pseudo_AF_FTIP  /* same format as AF_INET */
                    256: #define PF_PIP         pseudo_AF_PIP
1.42      kleink    257: #endif
1.20      is        258: #define PF_ISDN                AF_ISDN         /* same as E164 */
                    259: #define PF_E164                AF_E164
1.17      chuck     260: #define PF_NATM                AF_NATM
1.19      is        261: #define PF_ARP         AF_ARP
1.42      kleink    262: #if !defined(_XOPEN_SOURCE)
1.21      sommerfe  263: #define PF_KEY                 pseudo_AF_KEY   /* like PF_ROUTE, only for key mgmt */
1.42      kleink    264: #endif
1.1       cgd       265:
                    266: #define        PF_MAX          AF_MAX
                    267:
1.42      kleink    268: #if !defined(_XOPEN_SOURCE)
1.1       cgd       269: /*
1.27      thorpej   270:  * Socket credentials.
                    271:  */
                    272: struct sockcred {
                    273:        uid_t   sc_uid;                 /* real user id */
                    274:        uid_t   sc_euid;                /* effective user id */
                    275:        gid_t   sc_gid;                 /* real group id */
                    276:        gid_t   sc_egid;                /* effective group id */
                    277:        int     sc_ngroups;             /* number of supplemental groups */
                    278:        gid_t   sc_groups[1];           /* variable length */
                    279: };
                    280:
                    281: /*
                    282:  * Compute size of a sockcred structure with groups.
                    283:  */
                    284: #define        SOCKCREDSIZE(ngrps) \
                    285:        (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
1.42      kleink    286: #endif /* !_XOPEN_SOURCE */
1.27      thorpej   287:
1.38      kleink    288:
                    289: #if !defined(_XOPEN_SOURCE)
1.27      thorpej   290: /*
1.8       mycroft   291:  * Definitions for network related sysctl, CTL_NET.
                    292:  *
                    293:  * Second level is protocol family.
                    294:  * Third level is protocol number.
                    295:  *
                    296:  * Further levels are defined by the individual families below.
                    297:  */
                    298: #define NET_MAXID      AF_MAX
                    299:
                    300: #define CTL_NET_NAMES { \
                    301:        { 0, 0 }, \
1.28      fvdl      302:        { "local", CTLTYPE_NODE }, \
1.8       mycroft   303:        { "inet", CTLTYPE_NODE }, \
                    304:        { "implink", CTLTYPE_NODE }, \
                    305:        { "pup", CTLTYPE_NODE }, \
                    306:        { "chaos", CTLTYPE_NODE }, \
                    307:        { "xerox_ns", CTLTYPE_NODE }, \
                    308:        { "iso", CTLTYPE_NODE }, \
                    309:        { "emca", CTLTYPE_NODE }, \
                    310:        { "datakit", CTLTYPE_NODE }, \
                    311:        { "ccitt", CTLTYPE_NODE }, \
                    312:        { "ibm_sna", CTLTYPE_NODE }, \
                    313:        { "decnet", CTLTYPE_NODE }, \
                    314:        { "dec_dli", CTLTYPE_NODE }, \
                    315:        { "lat", CTLTYPE_NODE }, \
                    316:        { "hylink", CTLTYPE_NODE }, \
                    317:        { "appletalk", CTLTYPE_NODE }, \
                    318:        { "route", CTLTYPE_NODE }, \
                    319:        { "link_layer", CTLTYPE_NODE }, \
                    320:        { "xtp", CTLTYPE_NODE }, \
                    321:        { "coip", CTLTYPE_NODE }, \
                    322:        { "cnt", CTLTYPE_NODE }, \
                    323:        { "rtip", CTLTYPE_NODE }, \
                    324:        { "ipx", CTLTYPE_NODE }, \
1.21      sommerfe  325:        { "inet6", CTLTYPE_NODE }, \
1.8       mycroft   326:        { "pip", CTLTYPE_NODE }, \
1.20      is        327:        { "isdn", CTLTYPE_NODE }, \
1.17      chuck     328:        { "natm", CTLTYPE_NODE }, \
1.20      is        329:        { "arp", CTLTYPE_NODE }, \
1.21      sommerfe  330:        { "key", CTLTYPE_NODE }, \
1.8       mycroft   331: }
1.38      kleink    332: #endif /* !_XOPEN_SOURCE */
1.8       mycroft   333:
1.38      kleink    334: #if !defined(_XOPEN_SOURCE)
1.8       mycroft   335: /*
                    336:  * PF_ROUTE - Routing table
                    337:  *
                    338:  * Three additional levels are defined:
                    339:  *     Fourth: address family, 0 is wildcard
                    340:  *     Fifth: type of info, defined below
                    341:  *     Sixth: flag(s) to mask with for NET_RT_FLAGS
                    342:  */
                    343: #define NET_RT_DUMP    1               /* dump; may limit to a.f. */
                    344: #define NET_RT_FLAGS   2               /* by flags, e.g. RESOLVING */
1.47      bouyer    345: #define NET_RT_OIFLIST 3               /* old NET_RT_IFLIST (pre 1.5) */
                    346: #define NET_RT_IFLIST  4               /* survey interface list */
                    347: #define        NET_RT_MAXID    5
1.8       mycroft   348:
                    349: #define CTL_NET_RT_NAMES { \
                    350:        { 0, 0 }, \
                    351:        { "dump", CTLTYPE_STRUCT }, \
                    352:        { "flags", CTLTYPE_STRUCT }, \
1.47      bouyer    353:        { 0, 0 }, \
1.8       mycroft   354:        { "iflist", CTLTYPE_STRUCT }, \
                    355: }
1.38      kleink    356: #endif /* !_XOPEN_SOURCE */
1.8       mycroft   357:
                    358: /*
1.13      mycroft   359:  * Maximum queue length specifiable by listen(2).
1.1       cgd       360:  */
1.16      neil      361:
1.13      mycroft   362: #define        SOMAXCONN       128
1.16      neil      363:
1.1       cgd       364: /*
                    365:  * Message header for recvmsg and sendmsg calls.
                    366:  * Used value-result for recvmsg, value only for sendmsg.
                    367:  */
                    368: struct msghdr {
1.42      kleink    369:        void            *msg_name;      /* optional address */
                    370:        socklen_t       msg_namelen;    /* size of address */
                    371:        struct iovec    *msg_iov;       /* scatter/gather array */
                    372:        int             msg_iovlen;     /* # elements in msg_iov */
                    373:        void            *msg_control;   /* ancillary data, see below */
                    374:        socklen_t       msg_controllen; /* ancillary data buffer len */
                    375:        int             msg_flags;      /* flags on received message */
1.1       cgd       376: };
                    377:
                    378: #define        MSG_OOB         0x1             /* process out-of-band data */
                    379: #define        MSG_PEEK        0x2             /* peek at incoming message */
                    380: #define        MSG_DONTROUTE   0x4             /* send without using routing tables */
                    381: #define        MSG_EOR         0x8             /* data completes record */
                    382: #define        MSG_TRUNC       0x10            /* data discarded before delivery */
                    383: #define        MSG_CTRUNC      0x20            /* control data lost before delivery */
                    384: #define        MSG_WAITALL     0x40            /* wait for full request or error */
1.8       mycroft   385: #define        MSG_DONTWAIT    0x80            /* this message should be nonblocking */
1.30      matt      386: #define        MSG_BCAST       0x100           /* this message was rcvd using link-level brdcst */
                    387: #define        MSG_MCAST       0x200           /* this message was rcvd using link-level mcast */
1.1       cgd       388:
                    389: /*
                    390:  * Header for ancillary data objects in msg_control buffer.
                    391:  * Used for additional information with/about a datagram
                    392:  * not expressible by flags.  The format is a sequence
                    393:  * of message elements headed by cmsghdr structures.
                    394:  */
                    395: struct cmsghdr {
1.42      kleink    396:        socklen_t       cmsg_len;       /* data byte count, including hdr */
                    397:        int             cmsg_level;     /* originating protocol */
                    398:        int             cmsg_type;      /* protocol-specific type */
1.1       cgd       399: /* followed by u_char  cmsg_data[]; */
                    400: };
                    401:
1.8       mycroft   402: /* given pointer to struct cmsghdr, return pointer to data */
1.50      itojun    403: #define        CMSG_DATA(cmsg) \
1.53      itojun    404:        ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
1.1       cgd       405:
1.44      itojun    406: /*
                    407:  * Alignment requirement for CMSG struct manipulation.
1.51      itojun    408:  * This basically behaves the same as ALIGN() ARCH/include/param.h.
                    409:  * We declare it separately for two reasons:
                    410:  * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's
                    411:  * idea of ALIGNBYTES at runtime.
                    412:  * without (2), we can't guarantee binary compatibility in case of future
                    413:  * changes in ALIGNBYTES.
1.44      itojun    414:  */
1.53      itojun    415: #define __CMSG_ALIGN(n)        (((n) + __cmsg_alignbytes()) & ~__cmsg_alignbytes())
                    416: #ifdef _KERNEL
1.54      augustss  417: #define CMSG_ALIGN(n)  __CMSG_ALIGN(n)
1.53      itojun    418: #endif
1.44      itojun    419:
1.8       mycroft   420: /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
1.1       cgd       421: #define        CMSG_NXTHDR(mhdr, cmsg) \
1.53      itojun    422:        (((caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len) + \
                    423:                            __CMSG_ALIGN(sizeof(struct cmsghdr)) > \
1.45      itojun    424:            (((caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
1.1       cgd       425:            (struct cmsghdr *)NULL : \
1.53      itojun    426:            (struct cmsghdr *)((caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len)))
1.1       cgd       427:
                    428: #define        CMSG_FIRSTHDR(mhdr)     ((struct cmsghdr *)(mhdr)->msg_control)
                    429:
1.53      itojun    430: #define CMSG_SPACE(l)  (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(l))
                    431: #define CMSG_LEN(l)    (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
1.44      itojun    432:
1.1       cgd       433: /* "Socket"-level control message types: */
                    434: #define        SCM_RIGHTS      0x01            /* access rights (array of int) */
1.42      kleink    435: #if !defined(_XOPEN_SOURCE)
1.18      thorpej   436: #define        SCM_TIMESTAMP   0x02            /* timestamp (struct timeval) */
1.42      kleink    437: #define        SCM_CREDS       0x04            /* credentials (struct sockcred) */
                    438: #endif
1.29      kleink    439:
                    440: /*
                    441:  * Types of socket shutdown(2).
                    442:  */
                    443: #define        SHUT_RD         0               /* Disallow further receives. */
                    444: #define        SHUT_WR         1               /* Disallow further sends. */
                    445: #define        SHUT_RDWR       2               /* Disallow further sends/receives. */
1.1       cgd       446:
1.42      kleink    447: #if !defined(_XOPEN_SOURCE)
1.1       cgd       448: /*
                    449:  * 4.3 compat sockaddr, move to compat file later
                    450:  */
                    451: struct osockaddr {
                    452:        u_short sa_family;              /* address family */
                    453:        char    sa_data[14];            /* up to 14 bytes of direct address */
                    454: };
                    455:
                    456: /*
                    457:  * 4.3-compat message header (move to compat file later).
                    458:  */
                    459: struct omsghdr {
                    460:        caddr_t msg_name;               /* optional address */
                    461:        int     msg_namelen;            /* size of address */
                    462:        struct  iovec *msg_iov;         /* scatter/gather array */
                    463:        int     msg_iovlen;             /* # elements in msg_iov */
                    464:        caddr_t msg_accrights;          /* access rights sent/received */
                    465:        int     msg_accrightslen;
                    466: };
1.42      kleink    467: #endif
1.51      itojun    468:
                    469: int    __cmsg_alignbytes __P((void));
1.1       cgd       470:
1.12      briggs    471: #ifndef        _KERNEL
1.1       cgd       472:
                    473: #include <sys/cdefs.h>
                    474:
                    475: __BEGIN_DECLS
1.42      kleink    476: int    accept __P((int, struct sockaddr *, socklen_t *));
                    477: int    bind __P((int, const struct sockaddr *, socklen_t));
                    478: int    connect __P((int, const struct sockaddr *, socklen_t));
                    479: int    getpeername __P((int, struct sockaddr *, socklen_t *));
                    480: int    getsockname __P((int, struct sockaddr *, socklen_t *));
                    481: int    getsockopt __P((int, int, int, void *, socklen_t *));
1.1       cgd       482: int    listen __P((int, int));
1.8       mycroft   483: ssize_t        recv __P((int, void *, size_t, int));
1.42      kleink    484: ssize_t        recvfrom __P((int, void *, size_t, int, struct sockaddr *,
                    485:            socklen_t *));
1.8       mycroft   486: ssize_t        recvmsg __P((int, struct msghdr *, int));
                    487: ssize_t        send __P((int, const void *, size_t, int));
                    488: ssize_t        sendto __P((int, const void *,
1.42      kleink    489:            size_t, int, const struct sockaddr *, socklen_t));
1.8       mycroft   490: ssize_t        sendmsg __P((int, const struct msghdr *, int));
1.42      kleink    491: int    setsockopt __P((int, int, int, const void *, socklen_t));
1.1       cgd       492: int    shutdown __P((int, int));
                    493: int    socket __P((int, int, int));
                    494: int    socketpair __P((int, int, int, int *));
                    495: __END_DECLS
1.14      christos  496: #else
1.41      drochner  497: #ifdef COMPAT_OLDSOCK
                    498: #define MSG_COMPAT     0x8000
                    499: #endif
1.14      christos  500: #endif /* !_KERNEL */
1.1       cgd       501:
1.2       mycroft   502: #endif /* !_SYS_SOCKET_H_ */

CVSweb <webmaster@jp.NetBSD.org>