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) 2004-2011, 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)
  33
  34 #warning Sockets not supported on these platforms
  35 #undef HAVE_SOCKETS
  36
  37 #else
  38
  39 #define HAVE_SOCKETS
  40
  41 #ifndef _XOPEN_SOURCE_EXTENDED
  42 #define _XOPEN_SOURCE_EXTENDED 1
  43 /* For HP-UX */
  44 #endif
  45
  46 #ifndef BSD_COMP
  47 #define BSD_COMP 1
  48 /* For Solaris */
  49 #endif
  50
  51 #ifndef _ALL_SOURCE
  52 #define _ALL_SOURCE 1
  53 /* For AIX */
  54 #endif
  55
  56 #ifndef _OSF_SOURCE
  57 #define _OSF_SOURCE 1
  58 /* For Tru64 */
  59 #endif
  60
  61 /** No system header may be included prior to this point since on some targets
  62  ** we need to redefine FD_SETSIZE.
  63  **/
  64
  65 /* Target-specific includes and definitions */
  66
  67 #if defined(__vxworks)
  68 #include <vxWorks.h>
  69 #include <ioLib.h>
  70 #include <hostLib.h>
  71 #define SHUT_RD         0
  72 #define SHUT_WR         1
  73 #define SHUT_RDWR       2
  74
  75 #elif defined (WINNT)
  76 #define FD_SETSIZE 1024
  77
  78 #ifdef __MINGW32__
  79 #include <winsock2.h>
  80 #include <ws2tcpip.h>
  81
  82 #undef  EACCES
  83 #define EACCES          WSAEACCES
  84 #undef  EADDRINUSE
  85 #define EADDRINUSE      WSAEADDRINUSE
  86 #undef  EADDRNOTAVAIL
  87 #define EADDRNOTAVAIL   WSAEADDRNOTAVAIL
  88 #undef  EAFNOSUPPORT
  89 #define EAFNOSUPPORT    WSAEAFNOSUPPORT
  90 #undef  EALREADY
  91 #define EALREADY        WSAEALREADY
  92 #undef  EBADF
  93 #define EBADF           WSAEBADF
  94 #undef  ECONNABORTED
  95 #define ECONNABORTED    WSAECONNABORTED
  96 #undef  ECONNREFUSED
  97 #define ECONNREFUSED    WSAECONNREFUSED
  98 #undef  ECONNRESET
  99 #define ECONNRESET      WSAECONNRESET
 100 #undef  EDESTADDRREQ
 101 #define EDESTADDRREQ    WSAEDESTADDRREQ
 102 #undef  EFAULT
 103 #define EFAULT          WSAEFAULT
 104 #undef  EHOSTDOWN
 105 #define EHOSTDOWN       WSAEHOSTDOWN
 106 #undef  EHOSTUNREACH
 107 #define EHOSTUNREACH    WSAEHOSTUNREACH
 108 #undef  EINPROGRESS
 109 #define EINPROGRESS     WSAEINPROGRESS
 110 #undef  EINTR
 111 #define EINTR           WSAEINTR
 112 #undef  EINVAL
 113 #define EINVAL          WSAEINVAL
 114 #undef  EIO
 115 #define EIO             WSAEDISCON
 116 #undef  EISCONN
 117 #define EISCONN         WSAEISCONN
 118 #undef  ELOOP
 119 #define ELOOP           WSAELOOP
 120 #undef  EMFILE
 121 #define EMFILE          WSAEMFILE
 122 #undef  EMSGSIZE
 123 #define EMSGSIZE        WSAEMSGSIZE
 124 #undef  ENAMETOOLONG
 125 #define ENAMETOOLONG    WSAENAMETOOLONG
 126 #undef  ENETDOWN
 127 #define ENETDOWN        WSAENETDOWN
 128 #undef  ENETRESET
 129 #define ENETRESET       WSAENETRESET
 130 #undef  ENETUNREACH
 131 #define ENETUNREACH     WSAENETUNREACH
 132 #undef  ENOBUFS
 133 #define ENOBUFS         WSAENOBUFS
 134 #undef  ENOPROTOOPT
 135 #define ENOPROTOOPT     WSAENOPROTOOPT
 136 #undef  ENOTCONN
 137 #define ENOTCONN        WSAENOTCONN
 138 #undef  ENOTSOCK
 139 #define ENOTSOCK        WSAENOTSOCK
 140 #undef  EOPNOTSUPP
 141 #define EOPNOTSUPP      WSAEOPNOTSUPP
 142 #undef  EPFNOSUPPORT
 143 #define EPFNOSUPPORT    WSAEPFNOSUPPORT
 144 #undef  EPROTONOSUPPORT
 145 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
 146 #undef  EPROTOTYPE
 147 #define EPROTOTYPE      WSAEPROTOTYPE
 148 #undef  ESHUTDOWN
 149 #define ESHUTDOWN       WSAESHUTDOWN
 150 #undef  ESOCKTNOSUPPORT
 151 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
 152 #undef  ETIMEDOUT
 153 #define ETIMEDOUT       WSAETIMEDOUT
 154 #undef  ETOOMANYREFS
 155 #define ETOOMANYREFS    WSAETOOMANYREFS
 156 #undef  EWOULDBLOCK
 157 #define EWOULDBLOCK     WSAEWOULDBLOCK
 158
 159 #define SHUT_RD         SD_RECEIVE
 160 #define SHUT_WR         SD_SEND
 161 #define SHUT_RDWR       SD_BOTH
 162
 163 #endif
 164
 165 #include <windows.h>
 166
 167 #elif defined(VMS)
 168 /* Allow a large number of fds for select.  */
 169 #define FD_SETSIZE 4096
 170 #ifndef IN_RTS
 171 /* These DEC C headers are not available when building with GCC.  Order is
 172    important.  */
 173 #include <time.h>
 174 #include <tcp.h>
 175 #include <in.h>
 176 #include <ioctl.h>
 177 #include <netdb.h>
 178 #endif
 179
 180 #endif
 181
 182 #include <limits.h>
 183 #include <errno.h>
 184
 185 #if defined (__vxworks) && ! defined (__RTP__)
 186 #include <sys/times.h>
 187 #else
 188 #include <sys/time.h>
 189 #endif
 190
 191 /*
 192  * RTEMS has these .h files but not until you have built and installed RTEMS.
 193  * When building a C/C++ toolset, you also build the newlib C library, so the
 194  * build procedure for an RTEMS GNAT toolset requires that you build a C/C++
 195  * toolset, then build and install RTEMS with --enable-multilib, and finally
 196  * build the Ada part of the toolset.
 197  */
 198 #if !(defined (VMS) || defined (__MINGW32__))
 199 #include <sys/socket.h>
 200 #include <netinet/in.h>
 201 #include <netinet/tcp.h>
 202 #include <sys/ioctl.h>
 203 #include <netdb.h>
 204 #endif
 205
 206 #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || \
 207     defined (__osf__) || defined (_WIN32) || defined (__APPLE__)
 208 # define HAVE_THREAD_SAFE_GETxxxBYyyy 1
 209
 210 #elif defined (sgi) || defined (linux) || defined (__GLIBC__) || \
 211      (defined (sun) && defined (__SVR4) && !defined (__vxworks)) || \
 212       defined(__rtems__)
 213 # define HAVE_GETxxxBYyyy_R 1
 214 #endif
 215
 216 /*
 217  * Properties of the unerlying NetDB library:
 218  *   Need_Netdb_Buffer __gnat_getXXXbyYYY expects a caller-supplied buffer
 219  *   Need_Netdb_Lock   __gnat_getXXXbyYYY expects the caller to ensure
 220  *                     mutual exclusion
 221  *
 222  * See "Handling of gethostbyname, gethostbyaddr, getservbyname and
 223  * getservbyport" in socket.c for details.
 224  */
 225
 226 #if defined (HAVE_GETxxxBYyyy_R)
 227 # define Need_Netdb_Buffer 1
 228 # define Need_Netdb_Lock 0
 229
 230 #else
 231 # define Need_Netdb_Buffer 0
 232 # if !defined (HAVE_THREAD_SAFE_GETxxxBYyyy)
 233 #  define Need_Netdb_Lock 1
 234 # else
 235 #  define Need_Netdb_Lock 0
 236 # endif
 237 #endif
 238
 239 #if defined (__FreeBSD__) || defined (__vxworks) || defined(__rtems__)
 240 # define Has_Sockaddr_Len 1
 241 #else
 242 # define Has_Sockaddr_Len 0
 243 #endif
 244
 245 #if !(defined (__vxworks) || defined (_WIN32) || defined (__hpux__) || defined (VMS))
 246 # define HAVE_INET_PTON
 247 #endif
 248
 249 #endif /* defined(__nucleus__) */