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Diff for /src/sys/sys/socket.h between version 1.59.2.2 and 1.119.2.2

version 1.59.2.2, 2001/08/24 00:13:09 version 1.119.2.2, 2017/03/20 06:57:53
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 /*  /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.   * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
  * All rights reserved.   * All rights reserved.
  *   *
  * Redistribution and use in source and binary forms, with or without   * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions   * modification, are permitted provided that the following conditions
  * are met:   * are met:
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  * 3. Neither the name of the project nor the names of its contributors   * 3. Neither the name of the project nor the names of its contributors
  *    may be used to endorse or promote products derived from this software   *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.   *    without specific prior written permission.
  *   *
  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND   * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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  * 2. Redistributions in binary form must reproduce the above copyright   * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the   *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.   *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software   * 3. Neither the name of the University nor the names of its contributors
  *    must display the following acknowledgement:  
  *      This product includes software developed by the University of  
  *      California, Berkeley and its contributors.  
  * 4. Neither the name of the University nor the names of its contributors  
  *    may be used to endorse or promote products derived from this software   *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.   *    without specific prior written permission.
  *   *
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Line 63 
 #ifndef _SYS_SOCKET_H_  #ifndef _SYS_SOCKET_H_
 #define _SYS_SOCKET_H_  #define _SYS_SOCKET_H_
   
   #include <sys/featuretest.h>
   
 /*  /*
  * Definitions related to sockets: types, address families, options.   * Definitions related to sockets: types, address families, options.
  */   */
Line 86  typedef __socklen_t socklen_t;
Line 84  typedef __socklen_t socklen_t;
 #define socklen_t       __socklen_t  #define socklen_t       __socklen_t
 #endif  #endif
   
   #include <machine/ansi.h>
   
   #ifdef  _BSD_SIZE_T_
   typedef _BSD_SIZE_T_    size_t;
   #undef  _BSD_SIZE_T_
   #endif
   
   #ifdef  _BSD_SSIZE_T_
   typedef _BSD_SSIZE_T_   ssize_t;
   #undef  _BSD_SSIZE_T_
   #endif
   
   #include <sys/uio.h>
   #include <sys/sigtypes.h>
   
 /*  /*
  * Socket types.   * Socket types.
  */   */
Line 94  typedef __socklen_t socklen_t;
Line 107  typedef __socklen_t socklen_t;
 #define SOCK_RAW        3               /* raw-protocol interface */  #define SOCK_RAW        3               /* raw-protocol interface */
 #define SOCK_RDM        4               /* reliably-delivered message */  #define SOCK_RDM        4               /* reliably-delivered message */
 #define SOCK_SEQPACKET  5               /* sequenced packet stream */  #define SOCK_SEQPACKET  5               /* sequenced packet stream */
   #define SOCK_CONN_DGRAM 6               /* connection-orientated datagram */
   #define SOCK_DCCP       SOCK_CONN_DGRAM
   
   #define SOCK_CLOEXEC    0x10000000      /* set close on exec on socket */
   #define SOCK_NONBLOCK   0x20000000      /* set non blocking i/o socket */
   #define SOCK_NOSIGPIPE  0x40000000      /* don't send sigpipe */
   #define SOCK_FLAGS_MASK 0xf0000000      /* flags mask */
   
 /*  /*
  * Option flags per-socket.   * Option flags per-socket.
Line 108  typedef __socklen_t socklen_t;
Line 128  typedef __socklen_t socklen_t;
 #define SO_LINGER       0x0080          /* linger on close if data present */  #define SO_LINGER       0x0080          /* linger on close if data present */
 #define SO_OOBINLINE    0x0100          /* leave received OOB data in line */  #define SO_OOBINLINE    0x0100          /* leave received OOB data in line */
 #define SO_REUSEPORT    0x0200          /* allow local address & port reuse */  #define SO_REUSEPORT    0x0200          /* allow local address & port reuse */
 #define SO_TIMESTAMP    0x0400          /* timestamp received dgram traffic */  /*      SO_OTIMESTAMP   0x0400          */
   #define SO_NOSIGPIPE    0x0800          /* no SIGPIPE from EPIPE */
   #define SO_ACCEPTFILTER 0x1000          /* there is an accept filter */
   #define SO_TIMESTAMP    0x2000          /* timestamp received dgram traffic */
   
   
 /*  /*
  * Additional options, not kept in so_options.   * Additional options, not kept in so_options.
Line 117  typedef __socklen_t socklen_t;
Line 141  typedef __socklen_t socklen_t;
 #define SO_RCVBUF       0x1002          /* receive buffer size */  #define SO_RCVBUF       0x1002          /* receive buffer size */
 #define SO_SNDLOWAT     0x1003          /* send low-water mark */  #define SO_SNDLOWAT     0x1003          /* send low-water mark */
 #define SO_RCVLOWAT     0x1004          /* receive low-water mark */  #define SO_RCVLOWAT     0x1004          /* receive low-water mark */
 #define SO_SNDTIMEO     0x1005          /* send timeout */  /* SO_OSNDTIMEO         0x1005 */
 #define SO_RCVTIMEO     0x1006          /* receive timeout */  /* SO_ORCVTIMEO         0x1006 */
 #define SO_ERROR        0x1007          /* get error status and clear */  #define SO_ERROR        0x1007          /* get error status and clear */
 #define SO_TYPE         0x1008          /* get socket type */  #define SO_TYPE         0x1008          /* get socket type */
   #define SO_OVERFLOWED   0x1009          /* datagrams: return packets dropped */
   
   #define SO_NOHEADER     0x100a          /* user supplies no header to kernel;
                                            * kernel removes header and supplies
                                            * payload
                                            */
   #define SO_SNDTIMEO     0x100b          /* send timeout */
   #define SO_RCVTIMEO     0x100c          /* receive timeout */
 /*  /*
  * Structure used for manipulating linger option.   * Structure used for manipulating linger option.
  */   */
Line 130  struct linger {
Line 161  struct linger {
         int     l_linger;               /* linger time in seconds */          int     l_linger;               /* linger time in seconds */
 };  };
   
   struct  accept_filter_arg {
           char    af_name[16];
           char    af_arg[256-16];
   };
   
 /*  /*
  * Level number for (get/set)sockopt() to apply to socket itself.   * Level number for (get/set)sockopt() to apply to socket itself.
  */   */
Line 139  struct linger {
Line 175  struct linger {
  * Address families.   * Address families.
  */   */
 #define AF_UNSPEC       0               /* unspecified */  #define AF_UNSPEC       0               /* unspecified */
 #define AF_LOCAL        1               /* local to host (pipes, portals) */  #define AF_LOCAL        1               /* local to host */
 #define AF_UNIX         AF_LOCAL        /* backward compatibility */  #define AF_UNIX         AF_LOCAL        /* backward compatibility */
 #define AF_INET         2               /* internetwork: UDP, TCP, etc. */  #define AF_INET         2               /* internetwork: UDP, TCP, etc. */
 #define AF_IMPLINK      3               /* arpanet imp addresses */  #define AF_IMPLINK      3               /* arpanet imp addresses */
Line 157  struct linger {
Line 193  struct linger {
 #define AF_LAT          14              /* LAT */  #define AF_LAT          14              /* LAT */
 #define AF_HYLINK       15              /* NSC Hyperchannel */  #define AF_HYLINK       15              /* NSC Hyperchannel */
 #define AF_APPLETALK    16              /* Apple Talk */  #define AF_APPLETALK    16              /* Apple Talk */
 #define AF_ROUTE        17              /* Internal Routing Protocol */  #define AF_OROUTE       17              /* Internal Routing Protocol */
 #define AF_LINK         18              /* Link layer interface */  #define AF_LINK         18              /* Link layer interface */
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_XTP   19              /* eXpress Transfer Protocol (no AF) */  #define pseudo_AF_XTP   19              /* eXpress Transfer Protocol (no AF) */
 #endif  #endif
 #define AF_COIP         20              /* connection-oriented IP, aka ST II */  #define AF_COIP         20              /* connection-oriented IP, aka ST II */
 #define AF_CNT          21              /* Computer Network Technology */  #define AF_CNT          21              /* Computer Network Technology */
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_RTIP  22              /* Help Identify RTIP packets */  #define pseudo_AF_RTIP  22              /* Help Identify RTIP packets */
 #endif  #endif
 #define AF_IPX          23              /* Novell Internet Protocol */  #define AF_IPX          23              /* Novell Internet Protocol */
 #define AF_INET6        24              /* IP version 6 */  #define AF_INET6        24              /* IP version 6 */
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_PIP   25              /* Help Identify PIP packets */  #define pseudo_AF_PIP   25              /* Help Identify PIP packets */
 #endif  #endif
 #define AF_ISDN         26              /* Integrated Services Digital Network*/  #define AF_ISDN         26              /* Integrated Services Digital Network*/
 #define AF_E164         AF_ISDN         /* CCITT E.164 recommendation */  #define AF_E164         AF_ISDN         /* CCITT E.164 recommendation */
 #define AF_NATM         27              /* native ATM access */  #define AF_NATM         27              /* native ATM access */
 #define AF_ARP          28              /* (rev.) addr. res. prot. (RFC 826) */  #define AF_ARP          28              /* (rev.) addr. res. prot. (RFC 826) */
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_KEY   29              /* Internal key management protocol  */  #define pseudo_AF_KEY   29              /* Internal key management protocol  */
 #define pseudo_AF_HDRCMPLT 30           /* Used by BPF to not rewrite hdrs  #define pseudo_AF_HDRCMPLT 30           /* Used by BPF to not rewrite hdrs
                                            in interface output routine */                                             in interface output routine */
 #endif  #endif
   #define AF_BLUETOOTH    31              /* Bluetooth: HCI, SCO, L2CAP, RFCOMM */
 #define AF_MAX          31  #define AF_IEEE80211    32              /* IEEE80211 */
   #define AF_MPLS         33              /* MultiProtocol Label Switching */
   #define AF_ROUTE        34              /* Internal Routing Protocol */
   #define AF_MAX          35
   
 /*  /*
  * Structure used by kernel to store most   * Structure used by kernel to store most
  * addresses.   * addresses.
  */   */
 struct sockaddr {  struct sockaddr {
         uint8_t         sa_len;         /* total length */          __uint8_t       sa_len;         /* total length */
         sa_family_t     sa_family;      /* address family */          sa_family_t     sa_family;      /* address family */
         char            sa_data[14];    /* actually longer; address value */          char            sa_data[14];    /* actually longer; address value */
 };  };
Line 203  struct sockproto {
Line 242  struct sockproto {
         u_short sp_family;              /* address family */          u_short sp_family;              /* address family */
         u_short sp_protocol;            /* protocol */          u_short sp_protocol;            /* protocol */
 };  };
   
   /*
    * we make the entire struct at least UCHAR_MAX + 1 in size since existing
    * use of sockaddr_un permits a path up to 253 bytes + '\0'.
    * sizeof(sb_len) + sizeof(sb_family) + 253 + '\0'
    */
   #define _SB_DATASIZE    254
   struct sockaddr_big {
       union {
           struct {
               __uint8_t   sb_len;
               sa_family_t sb_family;
               char        sb_data[_SB_DATASIZE];
           };
           uint64_t dummy; /* solicit natural alignment */
       };
   };
   
 #endif /* _KERNEL */  #endif /* _KERNEL */
   
 #if 1  #if 1
Line 210  struct sockproto {
Line 267  struct sockproto {
  * RFC 2553: protocol-independent placeholder for socket addresses   * RFC 2553: protocol-independent placeholder for socket addresses
  */   */
 #define _SS_MAXSIZE     128  #define _SS_MAXSIZE     128
 #define _SS_ALIGNSIZE   (sizeof(int64_t))  #define _SS_ALIGNSIZE   (sizeof(__int64_t))
 #define _SS_PAD1SIZE    (_SS_ALIGNSIZE - 2)  #define _SS_PAD1SIZE    (_SS_ALIGNSIZE - 2)
 #define _SS_PAD2SIZE    (_SS_MAXSIZE - 2 - \  #define _SS_PAD2SIZE    (_SS_MAXSIZE - 2 - \
                                 _SS_PAD1SIZE - _SS_ALIGNSIZE)                                  _SS_PAD1SIZE - _SS_ALIGNSIZE)
   
 #if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 500  #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
 struct sockaddr_storage {  struct sockaddr_storage {
         uint8_t         ss_len;         /* address length */          __uint8_t       ss_len;         /* address length */
         sa_family_t     ss_family;      /* address family */          sa_family_t     ss_family;      /* address family */
         char            __ss_pad1[_SS_PAD1SIZE];          char            __ss_pad1[_SS_PAD1SIZE];
         int64_t      __ss_align;/* force desired structure storage alignment */          __int64_t     __ss_align;/* force desired structure storage alignment */
         char            __ss_pad2[_SS_PAD2SIZE];          char            __ss_pad2[_SS_PAD2SIZE];
 };  };
 #endif /* !_XOPEN_SOURCE || ... */  #define sstosa(__ss)    ((struct sockaddr *)(__ss))
   #define sstocsa(__ss)   ((const struct sockaddr *)(__ss))
   #endif /* _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
 #endif /* 1 */  #endif /* 1 */
   
 /*  /*
Line 248  struct sockaddr_storage {
Line 307  struct sockaddr_storage {
 #define PF_LAT          AF_LAT  #define PF_LAT          AF_LAT
 #define PF_HYLINK       AF_HYLINK  #define PF_HYLINK       AF_HYLINK
 #define PF_APPLETALK    AF_APPLETALK  #define PF_APPLETALK    AF_APPLETALK
 #define PF_ROUTE        AF_ROUTE  #define PF_OROUTE       AF_OROUTE
 #define PF_LINK         AF_LINK  #define PF_LINK         AF_LINK
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define PF_XTP          pseudo_AF_XTP   /* really just proto family, no AF */  #define PF_XTP          pseudo_AF_XTP   /* really just proto family, no AF */
 #endif  #endif
 #define PF_COIP         AF_COIP  #define PF_COIP         AF_COIP
 #define PF_CNT          AF_CNT  #define PF_CNT          AF_CNT
 #define PF_INET6        AF_INET6  #define PF_INET6        AF_INET6
 #define PF_IPX          AF_IPX          /* same format as AF_NS */  #define PF_IPX          AF_IPX          /* same format as AF_NS */
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define PF_RTIP         pseudo_AF_FTIP  /* same format as AF_INET */  #define PF_RTIP         pseudo_AF_RTIP  /* same format as AF_INET */
 #define PF_PIP          pseudo_AF_PIP  #define PF_PIP          pseudo_AF_PIP
 #endif  #endif
 #define PF_ISDN         AF_ISDN         /* same as E164 */  #define PF_ISDN         AF_ISDN         /* same as E164 */
 #define PF_E164         AF_E164  #define PF_E164         AF_E164
 #define PF_NATM         AF_NATM  #define PF_NATM         AF_NATM
 #define PF_ARP          AF_ARP  #define PF_ARP          AF_ARP
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define PF_KEY          pseudo_AF_KEY   /* like PF_ROUTE, only for key mgmt */  #define PF_KEY          pseudo_AF_KEY   /* like PF_ROUTE, only for key mgmt */
 #endif  #endif
   #define PF_BLUETOOTH    AF_BLUETOOTH
   #define PF_MPLS         AF_MPLS
   #define PF_ROUTE        AF_ROUTE
   
 #define PF_MAX          AF_MAX  #define PF_MAX          AF_MAX
   
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
   
   #ifndef pid_t
   typedef __pid_t         pid_t;          /* process id */
   #define pid_t           __pid_t
   #endif
   
   #ifndef gid_t
   typedef __gid_t         gid_t;          /* group id */
   #define gid_t           __gid_t
   #endif
   
   #ifndef uid_t
   typedef __uid_t         uid_t;          /* user id */
   #define uid_t           __uid_t
   #endif
   
 /*  /*
  * Socket credentials.   * Socket credentials.
  */   */
 struct sockcred {  struct sockcred {
           pid_t   sc_pid;                 /* process id */
         uid_t   sc_uid;                 /* real user id */          uid_t   sc_uid;                 /* real user id */
         uid_t   sc_euid;                /* effective user id */          uid_t   sc_euid;                /* effective user id */
         gid_t   sc_gid;                 /* real group id */          gid_t   sc_gid;                 /* real group id */
Line 288  struct sockcred {
Line 367  struct sockcred {
  * Compute size of a sockcred structure with groups.   * Compute size of a sockcred structure with groups.
  */   */
 #define SOCKCREDSIZE(ngrps) \  #define SOCKCREDSIZE(ngrps) \
         (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))          (/*CONSTCOND*/sizeof(struct sockcred) + (sizeof(gid_t) * \
 #endif /* !_XOPEN_SOURCE */              ((ngrps) ? ((ngrps) - 1) : 0)))
   #endif /* _NETBSD_SOURCE */
   
   
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 /*  /*
  * Definitions for network related sysctl, CTL_NET.   * Definitions for network related sysctl, CTL_NET.
  *   *
Line 321  struct sockcred {
Line 401  struct sockcred {
         { "lat", CTLTYPE_NODE }, \          { "lat", CTLTYPE_NODE }, \
         { "hylink", CTLTYPE_NODE }, \          { "hylink", CTLTYPE_NODE }, \
         { "appletalk", CTLTYPE_NODE }, \          { "appletalk", CTLTYPE_NODE }, \
         { "route", CTLTYPE_NODE }, \          { "oroute", CTLTYPE_NODE }, \
         { "link_layer", CTLTYPE_NODE }, \          { "link_layer", CTLTYPE_NODE }, \
         { "xtp", CTLTYPE_NODE }, \          { "xtp", CTLTYPE_NODE }, \
         { "coip", CTLTYPE_NODE }, \          { "coip", CTLTYPE_NODE }, \
Line 334  struct sockcred {
Line 414  struct sockcred {
         { "natm", CTLTYPE_NODE }, \          { "natm", CTLTYPE_NODE }, \
         { "arp", CTLTYPE_NODE }, \          { "arp", CTLTYPE_NODE }, \
         { "key", CTLTYPE_NODE }, \          { "key", CTLTYPE_NODE }, \
           { "ieee80211", CTLTYPE_NODE }, \
           { "mlps", CTLTYPE_NODE }, \
           { "route", CTLTYPE_NODE }, \
 }  }
 #endif /* !_XOPEN_SOURCE */  
   
 #if !defined(_XOPEN_SOURCE)  struct kinfo_pcb {
           __uint64_t      ki_pcbaddr;     /* PTR: pcb addr */
           __uint64_t      ki_ppcbaddr;    /* PTR: ppcb addr */
           __uint64_t      ki_sockaddr;    /* PTR: socket addr */
   
           __uint32_t      ki_family;      /* INT: protocol family */
           __uint32_t      ki_type;        /* INT: socket type */
           __uint32_t      ki_protocol;    /* INT: protocol */
           __uint32_t      ki_pflags;      /* INT: generic protocol flags */
   
           __uint32_t      ki_sostate;     /* INT: socket state */
           __uint32_t      ki_prstate;     /* INT: protocol state */
           __int32_t       ki_tstate;      /* INT: tcp state */
           __uint32_t      ki_tflags;      /* INT: tcp flags */
   
           __uint64_t      ki_rcvq;        /* U_LONG: receive queue len */
           __uint64_t      ki_sndq;        /* U_LONG: send queue len */
   
           union {
                   struct sockaddr _kis_src; /* STRUCT: local address */
                   char _kis_pad[256 + 8];         /* pad to max addr length */
           } ki_s;
           union {
                   struct sockaddr _kid_dst; /* STRUCT: remote address */
                   char _kid_pad[256 + 8];         /* pad to max addr length */
           } ki_d;
   
           __uint64_t      ki_inode;       /* INO_T: fake inode number */
           __uint64_t      ki_vnode;       /* PTR: if associated with file */
           __uint64_t      ki_conn;        /* PTR: control block of peer */
           __uint64_t      ki_refs;        /* PTR: referencing socket */
           __uint64_t      ki_nextref;     /* PTR: link in refs list */
   };
   
   #define ki_src ki_s._kis_src
   #define ki_dst ki_d._kid_dst
   #define ki_spad ki_s._kis_pad
   #define ki_dpad ki_d._kid_pad
   
   #define PCB_SLOP                20
   #define PCB_ALL                 0
   
   #endif /* _NETBSD_SOURCE */
   
   #if defined(_NETBSD_SOURCE)
 /*  /*
  * PF_ROUTE - Routing table   * PF_ROUTE - Routing table
  *   *
Line 346  struct sockcred {
Line 472  struct sockcred {
  *      Fifth: type of info, defined below   *      Fifth: type of info, defined below
  *      Sixth: flag(s) to mask with for NET_RT_FLAGS   *      Sixth: flag(s) to mask with for NET_RT_FLAGS
  */   */
 #define NET_RT_DUMP     1               /* dump; may limit to a.f. */  #define NET_RT_DUMP             1       /* dump; may limit to a.f. */
 #define NET_RT_FLAGS    2               /* by flags, e.g. RESOLVING */  #define NET_RT_FLAGS            2       /* by flags, e.g. RESOLVING */
 #define NET_RT_OIFLIST  3               /* old NET_RT_IFLIST (pre 1.5) */  #define NET_RT_OOOIFLIST        3       /* old NET_RT_IFLIST (pre 1.5) */
 #define NET_RT_IFLIST   4               /* survey interface list */  #define NET_RT_OOIFLIST         4       /* old NET_RT_IFLIST (pre-64bit time) */
 #define NET_RT_MAXID    5  #define NET_RT_OIFLIST          5       /* old NET_RT_IFLIST (pre 8.0) */
   #define NET_RT_IFLIST           6       /* survey interface list */
   #define NET_RT_MAXID            7
   
 #define CTL_NET_RT_NAMES { \  #define CTL_NET_RT_NAMES { \
         { 0, 0 }, \          { 0, 0 }, \
         { "dump", CTLTYPE_STRUCT }, \          { "dump", CTLTYPE_STRUCT }, \
         { "flags", CTLTYPE_STRUCT }, \          { "flags", CTLTYPE_STRUCT }, \
         { 0, 0 }, \          { 0, 0 }, \
           { 0, 0 }, \
         { "iflist", CTLTYPE_STRUCT }, \          { "iflist", CTLTYPE_STRUCT }, \
 }  }
 #endif /* !_XOPEN_SOURCE */  #endif /* _NETBSD_SOURCE */
   
 /*  /*
  * Maximum queue length specifiable by listen(2).   * Maximum queue length specifiable by listen(2).
  */   */
   #ifndef SOMAXCONN
 #define SOMAXCONN       128  #define SOMAXCONN       128
   #endif
   
   #include <sys/cdefs.h>
   
 /*  /*
  * Message header for recvmsg and sendmsg calls.   * Message header for recvmsg and sendmsg calls.
Line 381  struct msghdr {
Line 513  struct msghdr {
         int             msg_flags;      /* flags on received message */          int             msg_flags;      /* flags on received message */
 };  };
   
 #define MSG_OOB         0x1             /* process out-of-band data */  #define MSG_OOB         0x0001          /* process out-of-band data */
 #define MSG_PEEK        0x2             /* peek at incoming message */  #define MSG_PEEK        0x0002          /* peek at incoming message */
 #define MSG_DONTROUTE   0x4             /* send without using routing tables */  #define MSG_DONTROUTE   0x0004          /* send without using routing tables */
 #define MSG_EOR         0x8             /* data completes record */  #define MSG_EOR         0x0008          /* data completes record */
 #define MSG_TRUNC       0x10            /* data discarded before delivery */  #define MSG_TRUNC       0x0010          /* data discarded before delivery */
 #define MSG_CTRUNC      0x20            /* control data lost before delivery */  #define MSG_CTRUNC      0x0020          /* control data lost before delivery */
 #define MSG_WAITALL     0x40            /* wait for full request or error */  #define MSG_WAITALL     0x0040          /* wait for full request or error */
 #define MSG_DONTWAIT    0x80            /* this message should be nonblocking */  #define MSG_DONTWAIT    0x0080          /* this message should be nonblocking */
 #define MSG_BCAST       0x100           /* this message was rcvd using link-level brdcst */  #define MSG_BCAST       0x0100          /* this message was rcvd using link-level brdcst */
 #define MSG_MCAST       0x200           /* this message was rcvd using link-level mcast */  #define MSG_MCAST       0x0200          /* this message was rcvd using link-level mcast */
   #define MSG_NOSIGNAL    0x0400          /* do not generate SIGPIPE on EOF */
   #if defined(_NETBSD_SOURCE)
   #define MSG_CMSG_CLOEXEC 0x0800         /* close on exec receiving fd */
   #define MSG_NBIO        0x1000          /* use non-blocking I/O */
   #define MSG_WAITFORONE  0x2000          /* recvmmsg() wait for one message */
   #define MSG_NOTIFICATION 0x4000         /* SCTP notification */
   
   struct mmsghdr {
           struct msghdr msg_hdr;
           unsigned int msg_len;
   };
   #endif
   
   /* Extra flags used internally only */
   #define MSG_USERFLAGS   0x0ffffff
   #define MSG_NAMEMBUF    0x1000000       /* msg_name is an mbuf */
   #define MSG_CONTROLMBUF 0x2000000       /* msg_control is an mbuf */
   #define MSG_IOVUSRSPACE 0x4000000       /* msg_iov is in user space */
   #define MSG_LENUSRSPACE 0x8000000       /* address length is in user space */
   
 /*  /*
  * Header for ancillary data objects in msg_control buffer.   * Header for ancillary data objects in msg_control buffer.
Line 405  struct cmsghdr {
Line 556  struct cmsghdr {
 /* followed by  u_char  cmsg_data[]; */  /* followed by  u_char  cmsg_data[]; */
 };  };
   
 /* given pointer to struct cmsghdr, return pointer to data */  
 #define CMSG_DATA(cmsg) \  
         ((u_char *)(void *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))  
   
 /*  /*
  * Alignment requirement for CMSG struct manipulation.   * Alignment requirement for CMSG struct manipulation.
  * This basically behaves the same as ALIGN() ARCH/include/param.h.   * This basically behaves the same as ALIGN() ARCH/include/param.h.
Line 418  struct cmsghdr {
Line 565  struct cmsghdr {
  * without (2), we can't guarantee binary compatibility in case of future   * without (2), we can't guarantee binary compatibility in case of future
  * changes in ALIGNBYTES.   * changes in ALIGNBYTES.
  */   */
 #define __CMSG_ALIGN(n) (((n) + __cmsg_alignbytes()) & ~__cmsg_alignbytes())  #define __CMSG_ALIGN(n) (((n) + __ALIGNBYTES) & ~__ALIGNBYTES)
   
 #ifdef _KERNEL  #ifdef _KERNEL
 #define CMSG_ALIGN(n)   __CMSG_ALIGN(n)  #define CMSG_ALIGN(n)   __CMSG_ALIGN(n)
 #endif  #endif
   
   #define __CMSG_ASIZE    __CMSG_ALIGN(sizeof(struct cmsghdr))
   #define __CMSG_MSGNEXT(cmsg) \
       (__CASTV(char *, cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len))
   #define __CMSG_MSGEND(mhdr) \
       (__CASTV(char *, (mhdr)->msg_control) + (mhdr)->msg_controllen)
   
   /* given pointer to struct cmsghdr, return pointer to data */
   #define CMSG_DATA(cmsg) (__CASTV(u_char *, cmsg) + __CMSG_ASIZE)
   #define CCMSG_DATA(cmsg) (__CASTCV(const u_char *, cmsg) + __CMSG_ASIZE)
   
 /* given pointer to struct cmsghdr, return pointer to next cmsghdr */  /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
 #define CMSG_NXTHDR(mhdr, cmsg) \  #define CMSG_NXTHDR(mhdr, cmsg) \
         (((caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len) + \      __CASTV(struct cmsghdr *,  \
                             __CMSG_ALIGN(sizeof(struct cmsghdr)) > \          __CMSG_MSGNEXT(cmsg) + __CMSG_ASIZE > __CMSG_MSGEND(mhdr) ? 0 : \
             (((caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \          __CMSG_MSGNEXT(cmsg))
             (struct cmsghdr *)NULL : \  
             (struct cmsghdr *)((caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len)))  
   
 #define CMSG_FIRSTHDR(mhdr)     ((struct cmsghdr *)(mhdr)->msg_control)  /*
    * RFC 2292 requires to check msg_controllen, in case that the kernel returns
    * an empty list for some reasons.
    */
   #define CMSG_FIRSTHDR(mhdr) \
       __CASTV(struct cmsghdr *, \
           (mhdr)->msg_controllen < sizeof(struct cmsghdr) ? 0 : \
           (mhdr)->msg_control)
   
 #define CMSG_SPACE(l)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(l))  #define CMSG_SPACE(l)   (__CMSG_ASIZE + __CMSG_ALIGN(l))
 #define CMSG_LEN(l)     (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))  #define CMSG_LEN(l)     (__CMSG_ASIZE + (l))
   
 /* "Socket"-level control message types: */  /* "Socket"-level control message types: */
 #define SCM_RIGHTS      0x01            /* access rights (array of int) */  #define SCM_RIGHTS      0x01            /* access rights (array of int) */
 #if !defined(_XOPEN_SOURCE)  #if defined(_NETBSD_SOURCE)
 #define SCM_TIMESTAMP   0x02            /* timestamp (struct timeval) */  /*                      0x02               timestamp (struct timeval50) */
 #define SCM_CREDS       0x04            /* credentials (struct sockcred) */  /*                      0x04               credentials (struct sockcred70) */
   #define SCM_TIMESTAMP   0x08            /* timestamp (struct timeval) */
   #define SCM_CREDS       0x10            /* credentials (struct sockcred) */
 #endif  #endif
   
 /*  /*
Line 450  struct cmsghdr {
Line 615  struct cmsghdr {
 #define SHUT_WR         1               /* Disallow further sends. */  #define SHUT_WR         1               /* Disallow further sends. */
 #define SHUT_RDWR       2               /* Disallow further sends/receives. */  #define SHUT_RDWR       2               /* Disallow further sends/receives. */
   
 #if !defined(_XOPEN_SOURCE)  #ifdef  _KERNEL
 /*  static inline socklen_t
  * 4.3 compat sockaddr, move to compat file later  sockaddr_getlen(const struct sockaddr *sa)
  */  {
 struct osockaddr {          return sa->sa_len;
         uint16_t        sa_family;      /* address family */  }
         char            sa_data[14];    /* up to 14 bytes of direct address */  
 };  
   
 /*  
  * 4.3-compat message header (move to compat file later).  
  */  
 struct omsghdr {  
         caddr_t msg_name;               /* optional address */  
         int     msg_namelen;            /* size of address */  
         struct  iovec *msg_iov;         /* scatter/gather array */  
         int     msg_iovlen;             /* # elements in msg_iov */  
         caddr_t msg_accrights;          /* access rights sent/received */  
         int     msg_accrightslen;  
 };  
 #endif  
   
 #include <sys/cdefs.h>  
   
 __BEGIN_DECLS  __BEGIN_DECLS
 int     __cmsg_alignbytes __P((void));  struct sockaddr *sockaddr_copy(struct sockaddr *, socklen_t,
       const struct sockaddr *);
   struct sockaddr *sockaddr_externalize(struct sockaddr *, socklen_t,
       const struct sockaddr *);
   struct sockaddr *sockaddr_alloc(sa_family_t, socklen_t, int);
   const void *sockaddr_const_addr(const struct sockaddr *, socklen_t *);
   void *sockaddr_addr(struct sockaddr *, socklen_t *);
   const struct sockaddr *sockaddr_any(const struct sockaddr *);
   const struct sockaddr *sockaddr_any_by_family(int);
   const void *sockaddr_anyaddr(const struct sockaddr *, socklen_t *);
   int sockaddr_cmp(const struct sockaddr *, const struct sockaddr *);
   struct sockaddr *sockaddr_dup(const struct sockaddr *, int);
   int sockaddr_format(const struct sockaddr *, char *, size_t);
   void sockaddr_free(struct sockaddr *);
 __END_DECLS  __END_DECLS
   #endif /* _KERNEL */
   
 #ifndef _KERNEL  #ifndef _KERNEL
   
 __BEGIN_DECLS  __BEGIN_DECLS
 int     accept __P((int, struct sockaddr *, socklen_t *));  int     accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
 int     bind __P((int, const struct sockaddr *, socklen_t));  int     accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
 int     connect __P((int, const struct sockaddr *, socklen_t));  int     bind(int, const struct sockaddr *, socklen_t);
 int     getpeername __P((int, struct sockaddr *, socklen_t *));  int     connect(int, const struct sockaddr *, socklen_t);
 int     getsockname __P((int, struct sockaddr *, socklen_t *));  int     getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
 int     getsockopt __P((int, int, int, void *, socklen_t *));  int     getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
 int     listen __P((int, int));  int     getsockopt(int, int, int, void *__restrict, socklen_t * __restrict);
 ssize_t recv __P((int, void *, size_t, int));  int     listen(int, int);
 ssize_t recvfrom __P((int, void *, size_t, int, struct sockaddr *,  int     paccept(int, struct sockaddr * __restrict, socklen_t * __restrict,
             socklen_t *));          const sigset_t * __restrict, int);
 ssize_t recvmsg __P((int, struct msghdr *, int));  ssize_t recv(int, void *, size_t, int);
 ssize_t send __P((int, const void *, size_t, int));  ssize_t recvfrom(int, void *__restrict, size_t, int,
 ssize_t sendto __P((int, const void *,              struct sockaddr * __restrict, socklen_t * __restrict);
             size_t, int, const struct sockaddr *, socklen_t));  ssize_t recvmsg(int, struct msghdr *, int);
 ssize_t sendmsg __P((int, const struct msghdr *, int));  ssize_t send(int, const void *, size_t, int);
 int     setsockopt __P((int, int, int, const void *, socklen_t));  ssize_t sendto(int, const void *,
 int     shutdown __P((int, int));              size_t, int, const struct sockaddr *, socklen_t);
 int     socket __P((int, int, int));  ssize_t sendmsg(int, const struct msghdr *, int);
 int     socketpair __P((int, int, int, int *));  int     setsockopt(int, int, int, const void *, socklen_t);
   int     shutdown(int, int);
   int     sockatmark(int);
   int     socket(int, int, int)
   #if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE)
   __RENAME(__socket30)
   #endif
                                ;
   int     socketpair(int, int, int, int *);
   
   #if defined(_NETBSD_SOURCE)
   int     sendmmsg(int, struct mmsghdr *, unsigned int, unsigned int);
   struct timespec;
   int     recvmmsg(int, struct mmsghdr *, unsigned int, unsigned int,
       struct timespec *);
   #endif
 __END_DECLS  __END_DECLS
 #endif /* !_KERNEL */  #endif /* !_KERNEL */
   

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  Added in v.1.119.2.2

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