libgo/go/syscall/socket_irix.go

   1 // socket_irix.go -- Socket handling specific to IRIX 6.
   2
   3 // Copyright 2011 The Go Authors. All rights reserved.
   4 // Use of this source code is governed by a BSD-style
   5 // license that can be found in the LICENSE file.
   6
   7 // +build irix
   8
   9 package syscall
  10
  11 const SizeofSockaddrInet4 = 16
  12 const SizeofSockaddrInet6 = 28
  13 const SizeofSockaddrUnix = 110
  14
  15 type RawSockaddrInet4 struct {
  16         Family uint16
  17         Port   uint16
  18         Addr   [4]byte /* in_addr */
  19         Zero   [8]uint8
  20 }
  21
  22 func (sa *RawSockaddrInet4) setLen() Socklen_t {
  23         return SizeofSockaddrInet4
  24 }
  25
  26 type RawSockaddrInet6 struct {
  27         Family   uint16
  28         Port     uint16
  29         Flowinfo uint32
  30         Addr     [16]byte /* in6_addr */
  31         Scope_id uint32
  32 }
  33
  34 func (sa *RawSockaddrInet6) setLen() Socklen_t {
  35         return SizeofSockaddrInet6
  36 }
  37
  38 type RawSockaddrUnix struct {
  39         Family uint16
  40         Path   [108]int8
  41 }
  42
  43 func (sa *RawSockaddrUnix) setLen(int) {
  44 }
  45
  46 func (sa *RawSockaddrUnix) getLen() (int, error) {
  47         if sa.Path[0] == 0 {
  48                 // "Abstract" Unix domain socket.
  49                 // Rewrite leading NUL as @ for textual display.
  50                 // (This is the standard convention.)
  51                 // Not friendly to overwrite in place,
  52                 // but the callers below don't care.
  53                 sa.Path[0] = '@'
  54         }
  55
  56         // Assume path ends at NUL.
  57         // This is not technically the GNU/Linux semantics for
  58         // abstract Unix domain sockets--they are supposed
  59         // to be uninterpreted fixed-size binary blobs--but
  60         // everyone uses this convention.
  61         n := 0
  62         for n < len(sa.Path)-3 && sa.Path[n] != 0 {
  63                 n++
  64         }
  65
  66         return n, nil
  67 }
  68
  69 func (sa *RawSockaddrUnix) adjustAbstract(sl Socklen_t) Socklen_t {
  70         return sl
  71 }
  72
  73 type RawSockaddr struct {
  74         Family uint16
  75         Data   [14]int8
  76 }
  77
  78 // BindToDevice binds the socket associated with fd to device.
  79 func BindToDevice(fd int, device string) (err error) {
  80         return ENOSYS
  81 }
  82
  83 // <netdb.h> only provides struct addrinfo, AI_* and EAI_* if  _NO_XOPEN4
  84 // && _NO_XOPEN5, but -D_XOPEN_SOURCE=500 is required for msg_control etc.
  85 // in struct msghgr, so simply provide them here.
  86 type Addrinfo struct {
  87         Ai_flags     int32
  88         Ai_family    int32
  89         Ai_socktype  int32
  90         Ai_protocol  int32
  91         Ai_addrlen   int32
  92         Ai_canonname *uint8
  93         Ai_addr      *_sockaddr
  94         Ai_next      *Addrinfo
  95 }
  96
  97 const (
  98         AI_PASSIVE     = 0x00000001
  99         AI_CANONNAME   = 0x00000002
 100         AI_NUMERICHOST = 0x00000004
 101         AI_NUMERICSERV = 0x00000008
 102         AI_ALL         = 0x00000100
 103         AI_ADDRCONFIG  = 0x00000400
 104         AI_V4MAPPED    = 0x00000800
 105         AI_DEFAULT     = (AI_V4MAPPED | AI_ADDRCONFIG)
 106 )
 107
 108 const (
 109         EAI_ADDRFAMILY = 1
 110         EAI_AGAIN      = 2
 111         EAI_BADFLAGS   = 3
 112         EAI_FAIL       = 4
 113         EAI_FAMILY     = 5
 114         EAI_MEMORY     = 6
 115         EAI_NODATA     = 7
 116         EAI_NONAME     = 8
 117         EAI_SERVICE    = 9
 118         EAI_SOCKTYPE   = 10
 119         EAI_SYSTEM     = 11
 120         EAI_BADHINTS   = 12
 121         EAI_OVERFLOW   = 13
 122         EAI_MAX        = 14
 123 )
 124
 125 func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, error) {
 126         return nil, EAFNOSUPPORT
 127 }
 128
 129 // <netinet/in.h.h> only provides IPV6_* etc. if  _NO_XOPEN4 && _NO_XOPEN5,
 130 // so as above simply provide them here.
 131 const (
 132         IPV6_UNICAST_HOPS   = 48
 133         IPV6_MULTICAST_IF   = IP_MULTICAST_IF
 134         IPV6_MULTICAST_HOPS = IP_MULTICAST_TTL
 135         IPV6_MULTICAST_LOOP = IP_MULTICAST_LOOP
 136 )