gcc/ada/gsocket.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                              G S O C K E T                               *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *         Copyright (C) 2004-2014, Free Software Foundation, Inc.          *
  10  *                                                                          *
  11  * GNAT is free software;  you can  redistribute it  and/or modify it under *
  12  * terms of the  GNU General Public License as published  by the Free Soft- *
  13  * ware  Foundation;  either version 3,  or (at your option) any later ver- *
  14  * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
  15  * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
  16  * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
  17  *                                                                          *
  18  * As a special exception under Section 7 of GPL version 3, you are granted *
  19  * additional permissions described in the GCC Runtime Library Exception,   *
  20  * version 3.1, as published by the Free Software Foundation.               *
  21  *                                                                          *
  22  * You should have received a copy of the GNU General Public License and    *
  23  * a copy of the GCC Runtime Library Exception along with this program;     *
  24  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
  25  * <http://www.gnu.org/licenses/>.                                          *
  26  *                                                                          *
  27  * GNAT was originally developed  by the GNAT team at  New York University. *
  28  * Extensive contributions were provided by Ada Core Technologies Inc.      *
  29  *                                                                          *
  30  ****************************************************************************/
  31
  32 #if defined(__nucleus__) || defined(VTHREADS) || defined(__ANDROID__) \
  33   || defined(__PikeOS__)
  34
  35 /* Sockets not supported on these platforms.  */
  36 #undef HAVE_SOCKETS
  37
  38 #else
  39
  40 #define HAVE_SOCKETS
  41
  42 #ifndef _XOPEN_SOURCE_EXTENDED
  43 #define _XOPEN_SOURCE_EXTENDED 1
  44 /* For HP-UX */
  45 #endif
  46
  47 #ifndef BSD_COMP
  48 #define BSD_COMP 1
  49 /* For Solaris */
  50 #endif
  51
  52 #ifndef _ALL_SOURCE
  53 #define _ALL_SOURCE 1
  54 /* For AIX */
  55 #endif
  56
  57 /** No system header may be included prior to this point since on some targets
  58  ** we need to redefine FD_SETSIZE.
  59  **/
  60
  61 /* Target-specific includes and definitions */
  62
  63 #if defined(__vxworks)
  64 #include <vxWorks.h>
  65 #include <ioLib.h>
  66 #include <hostLib.h>
  67 #define SHUT_RD         0
  68 #define SHUT_WR         1
  69 #define SHUT_RDWR       2
  70
  71 #elif defined (WINNT)
  72 #define FD_SETSIZE 1024
  73
  74 #ifdef __MINGW32__
  75 #include <winsock2.h>
  76 #include <ws2tcpip.h>
  77
  78 #undef  EACCES
  79 #define EACCES          WSAEACCES
  80 #undef  EADDRINUSE
  81 #define EADDRINUSE      WSAEADDRINUSE
  82 #undef  EADDRNOTAVAIL
  83 #define EADDRNOTAVAIL   WSAEADDRNOTAVAIL
  84 #undef  EAFNOSUPPORT
  85 #define EAFNOSUPPORT    WSAEAFNOSUPPORT
  86 #undef  EALREADY
  87 #define EALREADY        WSAEALREADY
  88 #undef  EBADF
  89 #define EBADF           WSAEBADF
  90 #undef  ECONNABORTED
  91 #define ECONNABORTED    WSAECONNABORTED
  92 #undef  ECONNREFUSED
  93 #define ECONNREFUSED    WSAECONNREFUSED
  94 #undef  ECONNRESET
  95 #define ECONNRESET      WSAECONNRESET
  96 #undef  EDESTADDRREQ
  97 #define EDESTADDRREQ    WSAEDESTADDRREQ
  98 #undef  EFAULT
  99 #define EFAULT          WSAEFAULT
 100 #undef  EHOSTDOWN
 101 #define EHOSTDOWN       WSAEHOSTDOWN
 102 #undef  EHOSTUNREACH
 103 #define EHOSTUNREACH    WSAEHOSTUNREACH
 104 #undef  EINPROGRESS
 105 #define EINPROGRESS     WSAEINPROGRESS
 106 #undef  EINTR
 107 #define EINTR           WSAEINTR
 108 #undef  EINVAL
 109 #define EINVAL          WSAEINVAL
 110 #undef  EIO
 111 #define EIO             WSAEDISCON
 112 #undef  EISCONN
 113 #define EISCONN         WSAEISCONN
 114 #undef  ELOOP
 115 #define ELOOP           WSAELOOP
 116 #undef  EMFILE
 117 #define EMFILE          WSAEMFILE
 118 #undef  EMSGSIZE
 119 #define EMSGSIZE        WSAEMSGSIZE
 120 #undef  ENAMETOOLONG
 121 #define ENAMETOOLONG    WSAENAMETOOLONG
 122 #undef  ENETDOWN
 123 #define ENETDOWN        WSAENETDOWN
 124 #undef  ENETRESET
 125 #define ENETRESET       WSAENETRESET
 126 #undef  ENETUNREACH
 127 #define ENETUNREACH     WSAENETUNREACH
 128 #undef  ENOBUFS
 129 #define ENOBUFS         WSAENOBUFS
 130 #undef  ENOPROTOOPT
 131 #define ENOPROTOOPT     WSAENOPROTOOPT
 132 #undef  ENOTCONN
 133 #define ENOTCONN        WSAENOTCONN
 134 #undef  ENOTSOCK
 135 #define ENOTSOCK        WSAENOTSOCK
 136 #undef  EOPNOTSUPP
 137 #define EOPNOTSUPP      WSAEOPNOTSUPP
 138 #undef  EPFNOSUPPORT
 139 #define EPFNOSUPPORT    WSAEPFNOSUPPORT
 140 #undef  EPROTONOSUPPORT
 141 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
 142 #undef  EPROTOTYPE
 143 #define EPROTOTYPE      WSAEPROTOTYPE
 144 #undef  ESHUTDOWN
 145 #define ESHUTDOWN       WSAESHUTDOWN
 146 #undef  ESOCKTNOSUPPORT
 147 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
 148 #undef  ETIMEDOUT
 149 #define ETIMEDOUT       WSAETIMEDOUT
 150 #undef  ETOOMANYREFS
 151 #define ETOOMANYREFS    WSAETOOMANYREFS
 152 #undef  EWOULDBLOCK
 153 #define EWOULDBLOCK     WSAEWOULDBLOCK
 154
 155 #define SHUT_RD         SD_RECEIVE
 156 #define SHUT_WR         SD_SEND
 157 #define SHUT_RDWR       SD_BOTH
 158
 159 #endif
 160
 161 #include <windows.h>
 162
 163 #elif defined(VMS)
 164 /* Allow a large number of fds for select.  */
 165 #define FD_SETSIZE 4096
 166 #ifndef IN_RTS
 167 /* These DEC C headers are not available when building with GCC.  Order is
 168    important.  */
 169 #include <time.h>
 170 #include <tcp.h>
 171 #include <in.h>
 172 #include <ioctl.h>
 173 #include <netdb.h>
 174 #endif
 175
 176 #endif
 177
 178 #include <limits.h>
 179 #include <errno.h>
 180
 181 #if defined (__vxworks) && ! defined (__RTP__)
 182 #include <sys/times.h>
 183 #else
 184 #include <sys/time.h>
 185 #endif
 186
 187 #if defined(__rtems__)
 188 #include <unistd.h>
 189 /* Required, for read(), write(), and close() */
 190 #endif
 191
 192 /*
 193  * RTEMS has these .h files but not until you have built and installed RTEMS.
 194  * When building a C/C++ toolset, you also build the newlib C library, so the
 195  * build procedure for an RTEMS GNAT toolset requires that you build a C/C++
 196  * toolset, then build and install RTEMS with --enable-multilib, and finally
 197  * build the Ada part of the toolset.
 198  */
 199 #if !(defined (VMS) || defined (__MINGW32__))
 200 #include <sys/socket.h>
 201 #include <netinet/in.h>
 202 #include <netinet/tcp.h>
 203 #include <sys/ioctl.h>
 204 #include <netdb.h>
 205 #endif
 206
 207 #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || \
 208     defined (_WIN32) || defined (__APPLE__)
 209 # define HAVE_THREAD_SAFE_GETxxxBYyyy 1
 210
 211 #elif defined (linux) || defined (__GLIBC__) || \
 212      (defined (sun) && defined (__SVR4) && !defined (__vxworks)) || \
 213       defined(__rtems__)
 214 # define HAVE_GETxxxBYyyy_R 1
 215 #endif
 216
 217 /*
 218  * Properties of the unerlying NetDB library:
 219  *   Need_Netdb_Buffer __gnat_getXXXbyYYY expects a caller-supplied buffer
 220  *   Need_Netdb_Lock   __gnat_getXXXbyYYY expects the caller to ensure
 221  *                     mutual exclusion
 222  *
 223  * See "Handling of gethostbyname, gethostbyaddr, getservbyname and
 224  * getservbyport" in socket.c for details.
 225  */
 226
 227 #if defined (HAVE_GETxxxBYyyy_R)
 228 # define Need_Netdb_Buffer 1
 229 # define Need_Netdb_Lock 0
 230
 231 #else
 232 # define Need_Netdb_Buffer 0
 233 # if !defined (HAVE_THREAD_SAFE_GETxxxBYyyy)
 234 #  define Need_Netdb_Lock 1
 235 # else
 236 #  define Need_Netdb_Lock 0
 237 # endif
 238 #endif
 239
 240 #if defined (__FreeBSD__) || defined (__vxworks) || defined(__rtems__)
 241 # define Has_Sockaddr_Len 1
 242 #else
 243 # define Has_Sockaddr_Len 0
 244 #endif
 245
 246 #if !(defined (__vxworks) || defined (_WIN32) || defined (__hpux__) || defined (VMS))
 247 # define HAVE_INET_PTON
 248 #endif
 249
 250 #endif /* defined(__nucleus__) */