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) 2004-2009, 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__)
  33
  34 #warning Sockets not supported on this platform
  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 #include <limits.h>
  62 #include <errno.h>
  63
  64 #if defined(__vxworks)
  65 #include <vxWorks.h>
  66 #include <ioLib.h>
  67 #include <hostLib.h>
  68 #if (_WRS_VXWORKS_MAJOR != 6) && ! defined (__RTP__)
  69 #include <resolvLib.h>
  70 #endif
  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 #include <windows.h>
  78
  79 #ifdef __MINGW32__
  80 #include <winsock2.h>
  81 #include <ws2tcpip.h>
  82
  83 #undef  EACCES
  84 #define EACCES          WSAEACCES
  85 #undef  EADDRINUSE
  86 #define EADDRINUSE      WSAEADDRINUSE
  87 #undef  EADDRNOTAVAIL
  88 #define EADDRNOTAVAIL   WSAEADDRNOTAVAIL
  89 #undef  EAFNOSUPPORT
  90 #define EAFNOSUPPORT    WSAEAFNOSUPPORT
  91 #undef  EALREADY
  92 #define EALREADY        WSAEALREADY
  93 #undef  EBADF
  94 #define EBADF           WSAEBADF
  95 #undef  ECONNABORTED
  96 #define ECONNABORTED    WSAECONNABORTED
  97 #undef  ECONNREFUSED
  98 #define ECONNREFUSED    WSAECONNREFUSED
  99 #undef  ECONNRESET
 100 #define ECONNRESET      WSAECONNRESET
 101 #undef  EDESTADDRREQ
 102 #define EDESTADDRREQ    WSAEDESTADDRREQ
 103 #undef  EFAULT
 104 #define EFAULT          WSAEFAULT
 105 #undef  EHOSTDOWN
 106 #define EHOSTDOWN       WSAEHOSTDOWN
 107 #undef  EHOSTUNREACH
 108 #define EHOSTUNREACH    WSAEHOSTUNREACH
 109 #undef  EINPROGRESS
 110 #define EINPROGRESS     WSAEINPROGRESS
 111 #undef  EINTR
 112 #define EINTR           WSAEINTR
 113 #undef  EINVAL
 114 #define EINVAL          WSAEINVAL
 115 #undef  EIO
 116 #define EIO             WSAEDISCON
 117 #undef  EISCONN
 118 #define EISCONN         WSAEISCONN
 119 #undef  ELOOP
 120 #define ELOOP           WSAELOOP
 121 #undef  EMFILE
 122 #define EMFILE          WSAEMFILE
 123 #undef  EMSGSIZE
 124 #define EMSGSIZE        WSAEMSGSIZE
 125 #undef  ENAMETOOLONG
 126 #define ENAMETOOLONG    WSAENAMETOOLONG
 127 #undef  ENETDOWN
 128 #define ENETDOWN        WSAENETDOWN
 129 #undef  ENETRESET
 130 #define ENETRESET       WSAENETRESET
 131 #undef  ENETUNREACH
 132 #define ENETUNREACH     WSAENETUNREACH
 133 #undef  ENOBUFS
 134 #define ENOBUFS         WSAENOBUFS
 135 #undef  ENOPROTOOPT
 136 #define ENOPROTOOPT     WSAENOPROTOOPT
 137 #undef  ENOTCONN
 138 #define ENOTCONN        WSAENOTCONN
 139 #undef  ENOTSOCK
 140 #define ENOTSOCK        WSAENOTSOCK
 141 #undef  EOPNOTSUPP
 142 #define EOPNOTSUPP      WSAEOPNOTSUPP
 143 #undef  EPFNOSUPPORT
 144 #define EPFNOSUPPORT    WSAEPFNOSUPPORT
 145 #undef  EPROTONOSUPPORT
 146 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
 147 #undef  EPROTOTYPE
 148 #define EPROTOTYPE      WSAEPROTOTYPE
 149 #undef  ESHUTDOWN
 150 #define ESHUTDOWN       WSAESHUTDOWN
 151 #undef  ESOCKTNOSUPPORT
 152 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
 153 #undef  ETIMEDOUT
 154 #define ETIMEDOUT       WSAETIMEDOUT
 155 #undef  ETOOMANYREFS
 156 #define ETOOMANYREFS    WSAETOOMANYREFS
 157 #undef  EWOULDBLOCK
 158 #define EWOULDBLOCK     WSAEWOULDBLOCK
 159
 160 #define SHUT_RD         SD_RECEIVE
 161 #define SHUT_WR         SD_SEND
 162 #define SHUT_RDWR       SD_BOTH
 163
 164 #endif
 165
 166 #elif defined(VMS)
 167 #define FD_SETSIZE 4096
 168 #ifndef IN_RTS
 169 /* These DEC C headers are not available when building with GCC */
 170 #include <in.h>
 171 #include <tcp.h>
 172 #include <ioctl.h>
 173 #include <netdb.h>
 174 #endif
 175
 176 #endif
 177
 178 #if defined (__vxworks) && ! defined (__RTP__)
 179 #include <sys/times.h>
 180 #else
 181 #include <sys/time.h>
 182 #endif
 183
 184 /*
 185  * RTEMS has these .h files but not until you have built RTEMS.  When
 186  * IN_RTS, you only have the .h files in the newlib C library.
 187  * Because this file is also included from gen-soccon.c which is built
 188  * to run on RTEMS (not IN_RTS), we must distinguish between IN_RTS
 189  * and using this file to compile gen-soccon.
 190  */
 191 #if !(defined (VMS) || defined (__MINGW32__) || \
 192       (defined(__rtems__) && defined(IN_RTS)))
 193 #include <sys/socket.h>
 194 #include <netinet/in.h>
 195 #include <netinet/tcp.h>
 196 #include <sys/ioctl.h>
 197 #include <netdb.h>
 198 #endif
 199
 200 /*
 201  * Handling of gethostbyname, gethostbyaddr, getservbyname and getservbyport
 202  * =========================================================================
 203  *
 204  * The default implementation of GNAT.Sockets.Thin requires that these
 205  * operations be either thread safe, or that a reentrant version getXXXbyYYY_r
 206  * be provided. In both cases, socket.c provides a __gnat_safe_getXXXbyYYY
 207  * function with the same signature as getXXXbyYYY_r. If the operating
 208  * system version of getXXXbyYYY is thread safe, the provided auxiliary
 209  * buffer argument is unused and ignored.
 210  *
 211  * Target specific versions of GNAT.Sockets.Thin for platforms that can't
 212  * fulfill these requirements must provide their own protection mechanism
 213  * in Safe_GetXXXbyYYY, and if they require GNAT.Sockets to provide a buffer
 214  * to this effect, then we need to set Need_Netdb_Buffer here (case of
 215  * VxWorks and VMS).
 216  */
 217
 218 #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || defined (__osf__) || defined (_WIN32) || defined (__APPLE__)
 219 # define HAVE_THREAD_SAFE_GETxxxBYyyy 1
 220 #elif defined (sgi) || defined (linux) || defined (__GLIBC__) || (defined (sun) && defined (__SVR4) && !defined (__vxworks)) || defined(__rtems__)
 221 # define HAVE_GETxxxBYyyy_R 1
 222 #endif
 223
 224 #if defined (HAVE_GETxxxBYyyy_R) || !defined (HAVE_THREAD_SAFE_GETxxxBYyyy)
 225 # define Need_Netdb_Buffer 1
 226 #else
 227 # define Need_Netdb_Buffer 0
 228 #endif
 229
 230 #if defined (__FreeBSD__) || defined (__vxworks) || defined(__rtems__)
 231 # define Has_Sockaddr_Len 1
 232 #else
 233 # define Has_Sockaddr_Len 0
 234 #endif
 235
 236 #endif /* defined(__nucleus__) */