1 | /* |
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2 | * $Id$ |
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3 | */ |
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4 | |
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5 | /**************************************************************************** |
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6 | * * |
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7 | * GNAT COMPILER COMPONENTS * |
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8 | * * |
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9 | * G S O C K E T * |
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10 | * * |
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11 | * C Header File * |
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12 | * * |
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13 | * Copyright (C) 2004-2008, Free Software Foundation, Inc. * |
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14 | * * |
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15 | * GNAT is free software; you can redistribute it and/or modify it under * |
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16 | * terms of the GNU General Public License as published by the Free Soft- * |
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17 | * ware Foundation; either version 2, or (at your option) any later ver- * |
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18 | * sion. GNAT is distributed in the hope that it will be useful, but WITH- * |
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19 | * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * |
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20 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * |
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21 | * for more details. You should have received a copy of the GNU General * |
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22 | * Public License distributed with GNAT; see file COPYING. If not, write * |
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23 | * to the Free Software Foundation, 51 Franklin Street, Fifth Floor, * |
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24 | * Boston, MA 02110-1301, USA. * |
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25 | * * |
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26 | * As a special exception, if you link this file with other files to * |
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27 | * produce an executable, this file does not by itself cause the resulting * |
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28 | * executable to be covered by the GNU General Public License. This except- * |
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29 | * ion does not however invalidate any other reasons why the executable * |
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30 | * file might be covered by the GNU Public License. * |
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31 | * * |
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32 | * GNAT was originally developed by the GNAT team at New York University. * |
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33 | * Extensive contributions were provided by Ada Core Technologies Inc. * |
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34 | * * |
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35 | ****************************************************************************/ |
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36 | |
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37 | #ifndef _XOPEN_SOURCE_EXTENDED |
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38 | #define _XOPEN_SOURCE_EXTENDED 1 |
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39 | /* For HP-UX */ |
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40 | #endif |
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41 | |
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42 | #ifndef BSD_COMP |
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43 | #define BSD_COMP 1 |
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44 | /* For Solaris */ |
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45 | #endif |
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46 | |
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47 | #ifndef _ALL_SOURCE |
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48 | #define _ALL_SOURCE 1 |
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49 | /* For AIX */ |
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50 | #endif |
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51 | |
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52 | #ifndef _OSF_SOURCE |
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53 | #define _OSF_SOURCE 1 |
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54 | /* For Tru64 */ |
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55 | #endif |
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56 | |
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57 | #include <limits.h> |
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58 | |
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59 | #if defined(__vxworks) |
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60 | #include <vxWorks.h> |
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61 | #include <ioLib.h> |
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62 | #include <hostLib.h> |
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63 | #include <resolvLib.h> |
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64 | #define SHUT_RD 0 |
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65 | #define SHUT_WR 1 |
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66 | #define SHUT_RDWR 2 |
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67 | |
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68 | #elif defined (WINNT) |
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69 | #define FD_SETSIZE 1024 |
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70 | #include <windows.h> |
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71 | |
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72 | #ifdef __MINGW32__ |
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73 | #include <winsock2.h> |
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74 | #include <ws2tcpip.h> |
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75 | |
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76 | #define EACCES WSAEACCES |
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77 | #define EADDRINUSE WSAEADDRINUSE |
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78 | #define EADDRNOTAVAIL WSAEADDRNOTAVAIL |
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79 | #define EAFNOSUPPORT WSAEAFNOSUPPORT |
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80 | #define EALREADY WSAEALREADY |
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81 | #define EBADF WSAEBADF |
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82 | #define ECONNABORTED WSAECONNABORTED |
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83 | #define ECONNREFUSED WSAECONNREFUSED |
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84 | #define ECONNRESET WSAECONNRESET |
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85 | #define EDESTADDRREQ WSAEDESTADDRREQ |
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86 | #define EFAULT WSAEFAULT |
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87 | #define EHOSTDOWN WSAEHOSTDOWN |
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88 | #define EHOSTUNREACH WSAEHOSTUNREACH |
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89 | #define EINPROGRESS WSAEINPROGRESS |
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90 | #define EINTR WSAEINTR |
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91 | #define EINVAL WSAEINVAL |
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92 | #define EIO WSAEDISCON |
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93 | #define EISCONN WSAEISCONN |
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94 | #define ELOOP WSAELOOP |
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95 | #define EMFILE WSAEMFILE |
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96 | #define EMSGSIZE WSAEMSGSIZE |
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97 | #define ENAMETOOLONG WSAENAMETOOLONG |
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98 | #define ENETDOWN WSAENETDOWN |
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99 | #define ENETRESET WSAENETRESET |
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100 | #define ENETUNREACH WSAENETUNREACH |
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101 | #define ENOBUFS WSAENOBUFS |
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102 | #define ENOPROTOOPT WSAENOPROTOOPT |
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103 | #define ENOTCONN WSAENOTCONN |
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104 | #define ENOTSOCK WSAENOTSOCK |
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105 | #define EOPNOTSUPP WSAEOPNOTSUPP |
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106 | #define EPFNOSUPPORT WSAEPFNOSUPPORT |
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107 | #define EPROTONOSUPPORT WSAEPROTONOSUPPORT |
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108 | #define ENOTSOCK WSAENOTSOCK |
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109 | #define EOPNOTSUPP WSAEOPNOTSUPP |
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110 | #define EPFNOSUPPORT WSAEPFNOSUPPORT |
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111 | #define EPROTONOSUPPORT WSAEPROTONOSUPPORT |
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112 | #define EPROTOTYPE WSAEPROTOTYPE |
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113 | #define ESHUTDOWN WSAESHUTDOWN |
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114 | #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT |
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115 | #define ETIMEDOUT WSAETIMEDOUT |
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116 | #define ETOOMANYREFS WSAETOOMANYREFS |
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117 | #define EWOULDBLOCK WSAEWOULDBLOCK |
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118 | #define SHUT_RD SD_RECEIVE |
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119 | #define SHUT_WR SD_SEND |
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120 | #define SHUT_RDWR SD_BOTH |
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121 | |
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122 | #endif |
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123 | |
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124 | #elif defined(VMS) |
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125 | #define FD_SETSIZE 4096 |
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126 | #ifndef IN_RTS |
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127 | /* These DEC C headers are not available when building with GCC */ |
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128 | #include <in.h> |
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129 | #include <tcp.h> |
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130 | #include <ioctl.h> |
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131 | #include <netdb.h> |
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132 | #endif |
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133 | |
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134 | #endif |
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135 | |
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136 | #ifndef __MINGW32__ |
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137 | #include <errno.h> |
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138 | #endif |
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139 | |
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140 | #ifdef __vxworks |
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141 | #include <sys/times.h> |
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142 | #else |
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143 | #include <sys/time.h> |
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144 | #endif |
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145 | |
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146 | /* |
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147 | * RTEMS has these .h files but not until you have built RTEMS. When |
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148 | * IN_RTS, you only have the .h files in the newlib C library. |
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149 | * Because this file is also included from gen-soccon.c which is built |
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150 | * to run on RTEMS (not IN_RTS), we must distinguish between IN_RTS |
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151 | * and using this file to compile gen-soccon. |
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152 | */ |
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153 | #if !(defined (VMS) || defined (__MINGW32__) || \ |
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154 | (defined(__rtems__) && defined(IN_RTS))) |
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155 | #include <sys/socket.h> |
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156 | #include <netinet/in.h> |
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157 | #include <netinet/tcp.h> |
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158 | #include <sys/ioctl.h> |
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159 | #include <netdb.h> |
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160 | #endif |
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161 | |
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162 | /* |
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163 | * Handling of gethostbyname, gethostbyaddr, getservbyname and getservbyport |
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164 | * ========================================================================= |
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165 | * |
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166 | * The default implementation of GNAT.Sockets.Thin requires that these |
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167 | * operations be either thread safe, or that a reentrant version getXXXbyYYY_r |
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168 | * be provided. In both cases, socket.c provides a __gnat_safe_getXXXbyYYY |
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169 | * function with the same signature as getXXXbyYYY_r. If the operating |
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170 | * system version of getXXXbyYYY is thread safe, the provided auxiliary |
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171 | * buffer argument is unused and ignored. |
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172 | * |
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173 | * Target specific versions of GNAT.Sockets.Thin for platforms that can't |
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174 | * fulfill these requirements must provide their own protection mechanism |
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175 | * in Safe_GetXXXbyYYY, and if they require GNAT.Sockets to provide a buffer |
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176 | * to this effect, then we need to set Need_Netdb_Buffer here (case of |
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177 | * VxWorks and VMS). |
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178 | */ |
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179 | |
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180 | #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || defined (__osf__) || defined (_WIN32) || defined (__APPLE__) |
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181 | # define HAVE_THREAD_SAFE_GETxxxBYyyy 1 |
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182 | #elif defined (sgi) || defined (linux) || defined (__GLIBC__) || (defined (sun) && defined (__SVR4) && !defined (__vxworks)) |
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183 | # define HAVE_GETxxxBYyyy_R 1 |
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184 | #endif |
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185 | |
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186 | #if defined (HAVE_GETxxxBYyyy_R) || !defined (HAVE_THREAD_SAFE_GETxxxBYyyy) |
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187 | # define Need_Netdb_Buffer 1 |
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188 | #else |
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189 | # define Need_Netdb_Buffer 0 |
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190 | #endif |
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191 | |
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192 | #if defined (__FreeBSD__) || defined (__vxworks) || defined (__rtems__) |
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193 | # define Has_Sockaddr_Len 1 |
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194 | #else |
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195 | # define Has_Sockaddr_Len 0 |
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196 | #endif |
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