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) 2004-2008, 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 2,  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.  See the GNU General Public License *
  17  * for  more details.  You should have  received  a copy of the GNU General *
  18  * Public License  distributed with GNAT;  see file COPYING.  If not, write *
  19  * to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, *
  20  * Boston, MA 02110-1301, USA.                                              *
  21  *                                                                          *
  22  * As a  special  exception,  if you  link  this file  with other  files to *
  23  * produce an executable,  this file does not by itself cause the resulting *
  24  * executable to be covered by the GNU General Public License. This except- *
  25  * ion does not  however invalidate  any other reasons  why the  executable *
  26  * file might be covered by the  GNU Public License.                        *
  27  *                                                                          *
  28  * GNAT was originally developed  by the GNAT team at  New York University. *
  29  * Extensive contributions were provided by Ada Core Technologies Inc.      *
  30  *                                                                          *
  31  ****************************************************************************/
  32
  33 #if defined(__nucleus__)
  34
  35 #warning Sockets not supported on this platform
  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 #ifndef _OSF_SOURCE
  58 #define _OSF_SOURCE 1
  59 /* For Tru64 */
  60 #endif
  61
  62 #include <limits.h>
  63 #include <errno.h>
  64
  65 #if defined(__vxworks)
  66 #include <vxWorks.h>
  67 #include <ioLib.h>
  68 #include <hostLib.h>
  69 #include <resolvLib.h>
  70 #define SHUT_RD         0
  71 #define SHUT_WR         1
  72 #define SHUT_RDWR       2
  73
  74 #elif defined (WINNT)
  75 #define FD_SETSIZE 1024
  76 #include <windows.h>
  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 #elif defined(VMS)
 166 #define FD_SETSIZE 4096
 167 #ifndef IN_RTS
 168 /* These DEC C headers are not available when building with GCC */
 169 #include <in.h>
 170 #include <tcp.h>
 171 #include <ioctl.h>
 172 #include <netdb.h>
 173 #endif
 174
 175 #endif
 176
 177 #ifdef __vxworks
 178 #include <sys/times.h>
 179 #else
 180 #include <sys/time.h>
 181 #endif
 182
 183 /*
 184  * RTEMS has these .h files but not until you have built RTEMS.  When
 185  * IN_RTS, you only have the .h files in the newlib C library.
 186  * Because this file is also included from gen-soccon.c which is built
 187  * to run on RTEMS (not IN_RTS), we must distinguish between IN_RTS
 188  * and using this file to compile gen-soccon.
 189  */
 190 #if !(defined (VMS) || defined (__MINGW32__) || \
 191       (defined(__rtems__) && defined(IN_RTS)))
 192 #include <sys/socket.h>
 193 #include <netinet/in.h>
 194 #include <netinet/tcp.h>
 195 #include <sys/ioctl.h>
 196 #include <netdb.h>
 197 #endif
 198
 199 /*
 200  * Handling of gethostbyname, gethostbyaddr, getservbyname and getservbyport
 201  * =========================================================================
 202  *
 203  * The default implementation of GNAT.Sockets.Thin requires that these
 204  * operations be either thread safe, or that a reentrant version getXXXbyYYY_r
 205  * be provided. In both cases, socket.c provides a __gnat_safe_getXXXbyYYY
 206  * function with the same signature as getXXXbyYYY_r. If the operating
 207  * system version of getXXXbyYYY is thread safe, the provided auxiliary
 208  * buffer argument is unused and ignored.
 209  *
 210  * Target specific versions of GNAT.Sockets.Thin for platforms that can't
 211  * fulfill these requirements must provide their own protection mechanism
 212  * in Safe_GetXXXbyYYY, and if they require GNAT.Sockets to provide a buffer
 213  * to this effect, then we need to set Need_Netdb_Buffer here (case of
 214  * VxWorks and VMS).
 215  */
 216
 217 #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || defined (__osf__) || defined (_WIN32) || defined (__APPLE__)
 218 # define HAVE_THREAD_SAFE_GETxxxBYyyy 1
 219 #elif defined (sgi) || defined (linux) || defined (__GLIBC__) || (defined (sun) && defined (__SVR4) && !defined (__vxworks)) || defined(__rtems__)
 220 # define HAVE_GETxxxBYyyy_R 1
 221 #endif
 222
 223 #if defined (HAVE_GETxxxBYyyy_R) || !defined (HAVE_THREAD_SAFE_GETxxxBYyyy)
 224 # define Need_Netdb_Buffer 1
 225 #else
 226 # define Need_Netdb_Buffer 0
 227 #endif
 228
 229 #if defined (__FreeBSD__) || defined (__vxworks) || defined(__rtems__)
 230 # define Has_Sockaddr_Len 1
 231 #else
 232 # define Has_Sockaddr_Len 0
 233 #endif
 234
 235 #endif /* defined(__nucleus__) */