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) 2004-2018, 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(VTHREADS) || defined(__PikeOS__) || defined(__DJGPP__)
  33
  34 /* 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 /** No system header may be included prior to this point since on some targets
  57  ** we need to redefine FD_SETSIZE.
  58  **/
  59
  60 /* Target-specific includes and definitions */
  61
  62 #if defined(__vxworks)
  63 #include <vxWorks.h>
  64 #include <ioLib.h>
  65 #include <hostLib.h>
  66 #define SHUT_RD         0
  67 #define SHUT_WR         1
  68 #define SHUT_RDWR       2
  69
  70 #elif defined (WINNT)
  71 #define FD_SETSIZE 1024
  72
  73 #ifdef __MINGW32__
  74 #include <winsock2.h>
  75 #include <ws2tcpip.h>
  76
  77 #undef  EACCES
  78 #define EACCES          WSAEACCES
  79 #undef  EADDRINUSE
  80 #define EADDRINUSE      WSAEADDRINUSE
  81 #undef  EADDRNOTAVAIL
  82 #define EADDRNOTAVAIL   WSAEADDRNOTAVAIL
  83 #undef  EAFNOSUPPORT
  84 #define EAFNOSUPPORT    WSAEAFNOSUPPORT
  85 #undef  EALREADY
  86 #define EALREADY        WSAEALREADY
  87 #undef  EBADF
  88 #define EBADF           WSAEBADF
  89 #undef  ECONNABORTED
  90 #define ECONNABORTED    WSAECONNABORTED
  91 #undef  ECONNREFUSED
  92 #define ECONNREFUSED    WSAECONNREFUSED
  93 #undef  ECONNRESET
  94 #define ECONNRESET      WSAECONNRESET
  95 #undef  EDESTADDRREQ
  96 #define EDESTADDRREQ    WSAEDESTADDRREQ
  97 #undef  EFAULT
  98 #define EFAULT          WSAEFAULT
  99 #undef  EHOSTDOWN
 100 #define EHOSTDOWN       WSAEHOSTDOWN
 101 #undef  EHOSTUNREACH
 102 #define EHOSTUNREACH    WSAEHOSTUNREACH
 103 #undef  EINPROGRESS
 104 #define EINPROGRESS     WSAEINPROGRESS
 105 #undef  EINTR
 106 #define EINTR           WSAEINTR
 107 #undef  EINVAL
 108 #define EINVAL          WSAEINVAL
 109 #undef  EIO
 110 #define EIO             WSAEDISCON
 111 #undef  EISCONN
 112 #define EISCONN         WSAEISCONN
 113 #undef  ELOOP
 114 #define ELOOP           WSAELOOP
 115 #undef  EMFILE
 116 #define EMFILE          WSAEMFILE
 117 #undef  EMSGSIZE
 118 #define EMSGSIZE        WSAEMSGSIZE
 119 #undef  ENAMETOOLONG
 120 #define ENAMETOOLONG    WSAENAMETOOLONG
 121 #undef  ENETDOWN
 122 #define ENETDOWN        WSAENETDOWN
 123 #undef  ENETRESET
 124 #define ENETRESET       WSAENETRESET
 125 #undef  ENETUNREACH
 126 #define ENETUNREACH     WSAENETUNREACH
 127 #undef  ENOBUFS
 128 #define ENOBUFS         WSAENOBUFS
 129 #undef  ENOPROTOOPT
 130 #define ENOPROTOOPT     WSAENOPROTOOPT
 131 #undef  ENOTCONN
 132 #define ENOTCONN        WSAENOTCONN
 133 #undef  ENOTSOCK
 134 #define ENOTSOCK        WSAENOTSOCK
 135 #undef  EOPNOTSUPP
 136 #define EOPNOTSUPP      WSAEOPNOTSUPP
 137 #undef  EPFNOSUPPORT
 138 #define EPFNOSUPPORT    WSAEPFNOSUPPORT
 139 #undef  EPROTONOSUPPORT
 140 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
 141 #undef  EPROTOTYPE
 142 #define EPROTOTYPE      WSAEPROTOTYPE
 143 #undef  ESHUTDOWN
 144 #define ESHUTDOWN       WSAESHUTDOWN
 145 #undef  ESOCKTNOSUPPORT
 146 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
 147 #undef  ETIMEDOUT
 148 #define ETIMEDOUT       WSAETIMEDOUT
 149 #undef  ETOOMANYREFS
 150 #define ETOOMANYREFS    WSAETOOMANYREFS
 151 #undef  EWOULDBLOCK
 152 #define EWOULDBLOCK     WSAEWOULDBLOCK
 153
 154 #define SHUT_RD         SD_RECEIVE
 155 #define SHUT_WR         SD_SEND
 156 #define SHUT_RDWR       SD_BOTH
 157
 158 #endif
 159
 160 #include <windows.h>
 161
 162 #elif defined(VMS)
 163 /* Allow a large number of fds for select.  */
 164 #define FD_SETSIZE 4096
 165 #ifndef IN_RTS
 166 /* These DEC C headers are not available when building with GCC.  Order is
 167    important.  */
 168 #include <time.h>
 169 #include <tcp.h>
 170 #include <in.h>
 171 #include <ioctl.h>
 172 #include <netdb.h>
 173 #endif
 174
 175 #endif
 176
 177 #include <limits.h>
 178 #include <errno.h>
 179
 180 #if defined (__vxworks) && ! defined (__RTP__)
 181 #include <sys/times.h>
 182 #else
 183 #include <sys/time.h>
 184 #endif
 185
 186 #if defined(__rtems__)
 187 #include <unistd.h>
 188 /* Required, for read(), write(), and close() */
 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 #include <unistd.h>
 205 #endif
 206
 207 #ifdef __ANDROID__
 208 #include <unistd.h>
 209 #include <sys/select.h>
 210 #endif
 211
 212 #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || \
 213     defined (_WIN32) || defined (__APPLE__) || defined (__ANDROID__) || \
 214     defined (__DragonFly__) || defined (__NetBSD__) || defined (__OpenBSD__)
 215 # define HAVE_THREAD_SAFE_GETxxxBYyyy 1
 216
 217 #elif defined (__linux__) || defined (__GLIBC__) || \
 218      (defined (__sun__) && !defined (__vxworks)) || \
 219       defined (__rtems__)
 220 # define HAVE_GETxxxBYyyy_R 1
 221 #endif
 222
 223 /*
 224  * Properties of the unerlying NetDB library:
 225  *   Need_Netdb_Buffer __gnat_getXXXbyYYY expects a caller-supplied buffer
 226  *   Need_Netdb_Lock   __gnat_getXXXbyYYY expects the caller to ensure
 227  *                     mutual exclusion
 228  *
 229  * See "Handling of gethostbyname, gethostbyaddr, getservbyname and
 230  * getservbyport" in socket.c for details.
 231  */
 232
 233 #if defined (HAVE_GETxxxBYyyy_R)
 234 # define Need_Netdb_Buffer 1
 235 # define Need_Netdb_Lock 0
 236
 237 #else
 238 # define Need_Netdb_Buffer 0
 239 # if !defined (HAVE_THREAD_SAFE_GETxxxBYyyy)
 240 #  define Need_Netdb_Lock 1
 241 # else
 242 #  define Need_Netdb_Lock 0
 243 # endif
 244 #endif
 245
 246 #if defined (__FreeBSD__) || defined (__vxworks) || defined(__rtems__) \
 247  || defined (__DragonFly__) || defined (__NetBSD__) || defined (__OpenBSD__)
 248 # define Has_Sockaddr_Len 1
 249 #else
 250 # define Has_Sockaddr_Len 0
 251 #endif
 252
 253 #if !(defined (__vxworks) || defined (_WIN32) || defined (__hpux__) || defined (VMS))
 254 # define HAVE_INET_PTON
 255 #endif
 256
 257 #endif /* defined(VTHREADS) */