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