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) 2004-2010, 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 #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 #define SHUT_RD         0
  69 #define SHUT_WR         1
  70 #define SHUT_RDWR       2
  71
  72 #elif defined (WINNT)
  73 #define FD_SETSIZE 1024
  74
  75 #ifdef __MINGW32__
  76 #include <winsock2.h>
  77 #include <ws2tcpip.h>
  78
  79 #undef  EACCES
  80 #define EACCES          WSAEACCES
  81 #undef  EADDRINUSE
  82 #define EADDRINUSE      WSAEADDRINUSE
  83 #undef  EADDRNOTAVAIL
  84 #define EADDRNOTAVAIL   WSAEADDRNOTAVAIL
  85 #undef  EAFNOSUPPORT
  86 #define EAFNOSUPPORT    WSAEAFNOSUPPORT
  87 #undef  EALREADY
  88 #define EALREADY        WSAEALREADY
  89 #undef  EBADF
  90 #define EBADF           WSAEBADF
  91 #undef  ECONNABORTED
  92 #define ECONNABORTED    WSAECONNABORTED
  93 #undef  ECONNREFUSED
  94 #define ECONNREFUSED    WSAECONNREFUSED
  95 #undef  ECONNRESET
  96 #define ECONNRESET      WSAECONNRESET
  97 #undef  EDESTADDRREQ
  98 #define EDESTADDRREQ    WSAEDESTADDRREQ
  99 #undef  EFAULT
 100 #define EFAULT          WSAEFAULT
 101 #undef  EHOSTDOWN
 102 #define EHOSTDOWN       WSAEHOSTDOWN
 103 #undef  EHOSTUNREACH
 104 #define EHOSTUNREACH    WSAEHOSTUNREACH
 105 #undef  EINPROGRESS
 106 #define EINPROGRESS     WSAEINPROGRESS
 107 #undef  EINTR
 108 #define EINTR           WSAEINTR
 109 #undef  EINVAL
 110 #define EINVAL          WSAEINVAL
 111 #undef  EIO
 112 #define EIO             WSAEDISCON
 113 #undef  EISCONN
 114 #define EISCONN         WSAEISCONN
 115 #undef  ELOOP
 116 #define ELOOP           WSAELOOP
 117 #undef  EMFILE
 118 #define EMFILE          WSAEMFILE
 119 #undef  EMSGSIZE
 120 #define EMSGSIZE        WSAEMSGSIZE
 121 #undef  ENAMETOOLONG
 122 #define ENAMETOOLONG    WSAENAMETOOLONG
 123 #undef  ENETDOWN
 124 #define ENETDOWN        WSAENETDOWN
 125 #undef  ENETRESET
 126 #define ENETRESET       WSAENETRESET
 127 #undef  ENETUNREACH
 128 #define ENETUNREACH     WSAENETUNREACH
 129 #undef  ENOBUFS
 130 #define ENOBUFS         WSAENOBUFS
 131 #undef  ENOPROTOOPT
 132 #define ENOPROTOOPT     WSAENOPROTOOPT
 133 #undef  ENOTCONN
 134 #define ENOTCONN        WSAENOTCONN
 135 #undef  ENOTSOCK
 136 #define ENOTSOCK        WSAENOTSOCK
 137 #undef  EOPNOTSUPP
 138 #define EOPNOTSUPP      WSAEOPNOTSUPP
 139 #undef  EPFNOSUPPORT
 140 #define EPFNOSUPPORT    WSAEPFNOSUPPORT
 141 #undef  EPROTONOSUPPORT
 142 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
 143 #undef  EPROTOTYPE
 144 #define EPROTOTYPE      WSAEPROTOTYPE
 145 #undef  ESHUTDOWN
 146 #define ESHUTDOWN       WSAESHUTDOWN
 147 #undef  ESOCKTNOSUPPORT
 148 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
 149 #undef  ETIMEDOUT
 150 #define ETIMEDOUT       WSAETIMEDOUT
 151 #undef  ETOOMANYREFS
 152 #define ETOOMANYREFS    WSAETOOMANYREFS
 153 #undef  EWOULDBLOCK
 154 #define EWOULDBLOCK     WSAEWOULDBLOCK
 155
 156 #define SHUT_RD         SD_RECEIVE
 157 #define SHUT_WR         SD_SEND
 158 #define SHUT_RDWR       SD_BOTH
 159
 160 #endif
 161
 162 #include <windows.h>
 163
 164 #elif defined(VMS)
 165 #define FD_SETSIZE 4096
 166 #ifndef IN_RTS
 167 /* These DEC C headers are not available when building with GCC */
 168 #include <in.h>
 169 #include <tcp.h>
 170 #include <ioctl.h>
 171 #include <netdb.h>
 172 #endif
 173
 174 #endif
 175
 176 #if defined (__vxworks) && ! defined (__RTP__)
 177 #include <sys/times.h>
 178 #else
 179 #include <sys/time.h>
 180 #endif
 181
 182 /*
 183  * RTEMS has these .h files but not until you have built and installed
 184  * RTEMS. When building a C/C++ toolset, you also build the newlib C library.
 185  * So the build procedure for an RTEMS GNAT toolset requires that
 186  * you build a C/C++ toolset, then build and install RTEMS with
 187  * --enable-multilib, and finally build the Ada part of the toolset.
 188  */
 189 #if !(defined (VMS) || defined (__MINGW32__))
 190 #include <sys/socket.h>
 191 #include <netinet/in.h>
 192 #include <netinet/tcp.h>
 193 #include <sys/ioctl.h>
 194 #include <netdb.h>
 195 #endif
 196
 197 /*
 198  * Handling of gethostbyname, gethostbyaddr, getservbyname and getservbyport
 199  * =========================================================================
 200  *
 201  * The default implementation of GNAT.Sockets.Thin requires that these
 202  * operations be either thread safe, or that a reentrant version getXXXbyYYY_r
 203  * be provided. In both cases, socket.c provides a __gnat_safe_getXXXbyYYY
 204  * function with the same signature as getXXXbyYYY_r. If the operating
 205  * system version of getXXXbyYYY is thread safe, the provided auxiliary
 206  * buffer argument is unused and ignored.
 207  *
 208  * Target specific versions of GNAT.Sockets.Thin for platforms that can't
 209  * fulfill these requirements must provide their own protection mechanism
 210  * in Safe_GetXXXbyYYY, and if they require GNAT.Sockets to provide a buffer
 211  * to this effect, then we need to set Need_Netdb_Buffer here (case of
 212  * VxWorks and VMS).
 213  */
 214
 215 #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || defined (__osf__) || defined (_WIN32) || defined (__APPLE__)
 216 # define HAVE_THREAD_SAFE_GETxxxBYyyy 1
 217 #elif defined (sgi) || defined (linux) || defined (__GLIBC__) || (defined (sun) && defined (__SVR4) && !defined (__vxworks)) || defined(__rtems__)
 218 # define HAVE_GETxxxBYyyy_R 1
 219 #endif
 220
 221 #if defined (HAVE_GETxxxBYyyy_R) || !defined (HAVE_THREAD_SAFE_GETxxxBYyyy)
 222 # define Need_Netdb_Buffer 1
 223 #else
 224 # define Need_Netdb_Buffer 0
 225 #endif
 226
 227 #if defined (__FreeBSD__) || defined (__vxworks) || defined(__rtems__)
 228 # define Has_Sockaddr_Len 1
 229 #else
 230 # define Has_Sockaddr_Len 0
 231 #endif
 232
 233 #if !(defined (__vxworks) || defined (_WIN32) || defined (__hpux__) || defined (VMS))
 234 # define HAVE_INET_PTON
 235 #endif
 236
 237 #endif /* defined(__nucleus__) */