Mercurial > gnulib
annotate lib/sys_select.in.h @ 15822:c1b5752b5e8d
sys_select: Fix compilation error on mingw.
* lib/sys_select.in.h: On native Windows, include <io.h>.
author | Bruno Haible <bruno@clisp.org> |
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date | Tue, 04 Oct 2011 02:32:48 +0200 |
parents | 265302827911 |
children | 8250f2777afc |
rev | line source |
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1 /* Substitute for <sys/select.h>. |
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2 Copyright (C) 2007-2011 Free Software Foundation, Inc. |
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3 |
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4 This program is free software; you can redistribute it and/or modify |
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5 it under the terms of the GNU General Public License as published by |
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6 the Free Software Foundation; either version 2, or (at your option) |
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7 any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, |
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 GNU General Public License for more details. |
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13 |
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14 You should have received a copy of the GNU General Public License |
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15 along with this program; if not, write to the Free Software Foundation, |
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16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
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17 |
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18 # if __GNUC__ >= 3 |
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19 @PRAGMA_SYSTEM_HEADER@ |
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20 # endif |
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21 @PRAGMA_COLUMNS@ |
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22 |
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23 /* On OSF/1, <sys/types.h> and <sys/time.h> include <sys/select.h>. |
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24 Simply delegate to the system's header in this case. */ |
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25 #if @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TYPES_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H) && defined _OSF_SOURCE |
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26 |
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27 # define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H |
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28 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@ |
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29 |
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30 #elif @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TIME_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H) && defined _OSF_SOURCE |
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31 |
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32 # define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H |
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33 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@ |
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34 |
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35 /* On IRIX 6.5, <sys/timespec.h> includes <sys/types.h>, which includes |
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36 <sys/bsd_types.h>, which includes <sys/select.h>. At this point we cannot |
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37 include <signal.h>, because that includes <internal/signal_core.h>, which |
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38 gives a syntax error because <sys/timespec.h> has not been completely |
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39 processed. Simply delegate to the system's header in this case. */ |
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40 #elif @HAVE_SYS_SELECT_H@ && defined __sgi && (defined _SYS_BSD_TYPES_H && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_BSD_TYPES_H) |
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41 |
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42 # define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_BSD_TYPES_H |
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43 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@ |
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44 |
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45 #else |
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46 |
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47 #ifndef _@GUARD_PREFIX@_SYS_SELECT_H |
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48 |
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49 /* On many platforms, <sys/select.h> assumes prior inclusion of |
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50 <sys/types.h>. Also, mingw defines sigset_t there, instead of |
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51 in <signal.h> where it belongs. */ |
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52 #include <sys/types.h> |
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53 |
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54 /* Get definition of 'sigset_t'. |
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55 But avoid namespace pollution on glibc systems. */ |
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56 #if !(defined __GLIBC__ && !defined __UCLIBC__) |
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57 # include <signal.h> |
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58 #endif |
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59 |
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60 #if @HAVE_SYS_SELECT_H@ |
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61 |
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62 /* On OSF/1 4.0, <sys/select.h> provides only a forward declaration |
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63 of 'struct timeval', and no definition of this type. |
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64 Also, MacOS X, AIX, HP-UX, IRIX, Solaris, Interix declare select() |
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65 in <sys/time.h>. |
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66 But avoid namespace pollution on glibc systems. */ |
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67 # ifndef __GLIBC__ |
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68 # include <sys/time.h> |
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69 # endif |
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70 |
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71 /* On AIX 7 and Solaris 10, <sys/select.h> provides an FD_ZERO implementation |
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72 that relies on memset(), but without including <string.h>. |
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73 But in any case avoid namespace pollution on glibc systems. */ |
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74 # if (defined __OpenBSD__ || defined _AIX || defined __sun || defined __osf__ || defined __BEOS__) \ |
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75 && ! defined __GLIBC__ |
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76 # include <string.h> |
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77 # endif |
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78 |
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79 /* The include_next requires a split double-inclusion guard. */ |
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80 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@ |
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81 |
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82 #endif |
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83 |
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84 #ifndef _@GUARD_PREFIX@_SYS_SELECT_H |
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85 #define _@GUARD_PREFIX@_SYS_SELECT_H |
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86 |
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87 #if !@HAVE_SYS_SELECT_H@ |
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88 /* A platform that lacks <sys/select.h>. */ |
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89 /* Get the 'struct timeval' and 'fd_set' types and the FD_* macros |
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90 on most platforms. */ |
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91 # include <sys/time.h> |
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92 /* On HP-UX 11, <sys/time.h> provides an FD_ZERO implementation |
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93 that relies on memset(), but without including <string.h>. */ |
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94 # if defined __hpux |
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95 # include <string.h> |
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96 # endif |
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97 /* On native Windows platforms: |
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98 Get the 'fd_set' type. |
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99 Get the close() declaration before we override it. */ |
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100 # if @HAVE_WINSOCK2_H@ |
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101 # if !defined _GL_INCLUDING_WINSOCK2_H |
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102 # define _GL_INCLUDING_WINSOCK2_H |
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103 # include <winsock2.h> |
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104 # undef _GL_INCLUDING_WINSOCK2_H |
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105 # endif |
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106 # include <io.h> |
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107 # endif |
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108 #endif |
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109 |
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110 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ |
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111 |
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112 /* The definition of _GL_WARN_ON_USE is copied here. */ |
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113 |
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114 |
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115 /* Fix some definitions from <winsock2.h>. */ |
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116 |
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117 #if @HAVE_WINSOCK2_H@ |
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118 |
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119 # if !GNULIB_defined_rpl_fd_isset |
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120 |
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121 /* Re-define FD_ISSET to avoid a WSA call while we are not using |
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122 network sockets. */ |
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123 static inline int |
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124 rpl_fd_isset (SOCKET fd, fd_set * set) |
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125 { |
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126 u_int i; |
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127 if (set == NULL) |
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128 return 0; |
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129 |
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130 for (i = 0; i < set->fd_count; i++) |
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131 if (set->fd_array[i] == fd) |
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132 return 1; |
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133 |
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134 return 0; |
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135 } |
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136 |
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137 # define GNULIB_defined_rpl_fd_isset 1 |
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138 # endif |
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139 |
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140 # undef FD_ISSET |
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141 # define FD_ISSET(fd, set) rpl_fd_isset(fd, set) |
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142 |
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143 #endif |
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144 |
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145 /* Hide some function declarations from <winsock2.h>. */ |
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146 |
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147 #if @HAVE_WINSOCK2_H@ |
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148 # if !defined _@GUARD_PREFIX@_UNISTD_H |
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149 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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150 # undef close |
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151 # define close close_used_without_including_unistd_h |
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152 # else |
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153 _GL_WARN_ON_USE (close, |
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154 "close() used without including <unistd.h>"); |
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155 # endif |
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156 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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157 # undef gethostname |
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158 # define gethostname gethostname_used_without_including_unistd_h |
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159 # else |
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160 _GL_WARN_ON_USE (gethostname, |
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161 "gethostname() used without including <unistd.h>"); |
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162 # endif |
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163 # endif |
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164 # if !defined _@GUARD_PREFIX@_SYS_SOCKET_H |
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165 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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166 # undef socket |
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167 # define socket socket_used_without_including_sys_socket_h |
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168 # undef connect |
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169 # define connect connect_used_without_including_sys_socket_h |
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170 # undef accept |
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171 # define accept accept_used_without_including_sys_socket_h |
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172 # undef bind |
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173 # define bind bind_used_without_including_sys_socket_h |
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174 # undef getpeername |
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175 # define getpeername getpeername_used_without_including_sys_socket_h |
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176 # undef getsockname |
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177 # define getsockname getsockname_used_without_including_sys_socket_h |
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178 # undef getsockopt |
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179 # define getsockopt getsockopt_used_without_including_sys_socket_h |
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180 # undef listen |
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181 # define listen listen_used_without_including_sys_socket_h |
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182 # undef recv |
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183 # define recv recv_used_without_including_sys_socket_h |
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184 # undef send |
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185 # define send send_used_without_including_sys_socket_h |
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186 # undef recvfrom |
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187 # define recvfrom recvfrom_used_without_including_sys_socket_h |
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188 # undef sendto |
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189 # define sendto sendto_used_without_including_sys_socket_h |
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190 # undef setsockopt |
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191 # define setsockopt setsockopt_used_without_including_sys_socket_h |
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192 # undef shutdown |
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193 # define shutdown shutdown_used_without_including_sys_socket_h |
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194 # else |
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195 _GL_WARN_ON_USE (socket, |
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196 "socket() used without including <sys/socket.h>"); |
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197 _GL_WARN_ON_USE (connect, |
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198 "connect() used without including <sys/socket.h>"); |
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199 _GL_WARN_ON_USE (accept, |
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200 "accept() used without including <sys/socket.h>"); |
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201 _GL_WARN_ON_USE (bind, |
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202 "bind() used without including <sys/socket.h>"); |
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203 _GL_WARN_ON_USE (getpeername, |
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204 "getpeername() used without including <sys/socket.h>"); |
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205 _GL_WARN_ON_USE (getsockname, |
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206 "getsockname() used without including <sys/socket.h>"); |
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207 _GL_WARN_ON_USE (getsockopt, |
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208 "getsockopt() used without including <sys/socket.h>"); |
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209 _GL_WARN_ON_USE (listen, |
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210 "listen() used without including <sys/socket.h>"); |
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211 _GL_WARN_ON_USE (recv, |
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212 "recv() used without including <sys/socket.h>"); |
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213 _GL_WARN_ON_USE (send, |
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214 "send() used without including <sys/socket.h>"); |
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215 _GL_WARN_ON_USE (recvfrom, |
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216 "recvfrom() used without including <sys/socket.h>"); |
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217 _GL_WARN_ON_USE (sendto, |
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218 "sendto() used without including <sys/socket.h>"); |
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219 _GL_WARN_ON_USE (setsockopt, |
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220 "setsockopt() used without including <sys/socket.h>"); |
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221 _GL_WARN_ON_USE (shutdown, |
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222 "shutdown() used without including <sys/socket.h>"); |
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223 # endif |
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224 # endif |
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225 #endif |
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226 |
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227 |
15329 | 228 #if @GNULIB_PSELECT@ |
229 # if @REPLACE_PSELECT@ | |
230 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
231 # undef pselect | |
232 # define pselect rpl_pselect | |
233 # endif | |
234 _GL_FUNCDECL_RPL (pselect, int, | |
235 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict, | |
236 struct timespec const *restrict, const sigset_t *restrict)); | |
237 _GL_CXXALIAS_RPL (pselect, int, | |
238 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict, | |
239 struct timespec const *restrict, const sigset_t *restrict)); | |
240 # else | |
241 # if !@HAVE_PSELECT@ | |
242 _GL_FUNCDECL_SYS (pselect, int, | |
243 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict, | |
244 struct timespec const *restrict, const sigset_t *restrict)); | |
245 # endif | |
246 _GL_CXXALIAS_SYS (pselect, int, | |
247 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict, | |
248 struct timespec const *restrict, const sigset_t *restrict)); | |
249 # endif | |
250 _GL_CXXALIASWARN (pselect); | |
251 #elif defined GNULIB_POSIXCHECK | |
252 # undef pselect | |
253 # if HAVE_RAW_DECL_PSELECT | |
254 _GL_WARN_ON_USE (pselect, "pselect is not portable - " | |
255 "use gnulib module pselect for portability"); | |
256 # endif | |
257 #endif | |
258 | |
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259 #if @GNULIB_SELECT@ |
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260 # if @REPLACE_SELECT@ |
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261 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
10586 | 262 # undef select |
263 # define select rpl_select | |
264 # endif | |
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265 _GL_FUNCDECL_RPL (select, int, |
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266 (int, fd_set *, fd_set *, fd_set *, struct timeval *)); |
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267 _GL_CXXALIAS_RPL (select, int, |
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268 (int, fd_set *, fd_set *, fd_set *, struct timeval *)); |
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269 # else |
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270 _GL_CXXALIAS_SYS (select, int, |
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271 (int, fd_set *, fd_set *, fd_set *, struct timeval *)); |
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272 # endif |
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273 _GL_CXXALIASWARN (select); |
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274 #elif @HAVE_WINSOCK2_H@ |
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275 # undef select |
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276 # define select select_used_without_requesting_gnulib_module_select |
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277 #elif defined GNULIB_POSIXCHECK |
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278 # undef select |
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279 # if HAVE_RAW_DECL_SELECT |
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280 _GL_WARN_ON_USE (select, "select is not always POSIX compliant - " |
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281 "use gnulib module select for portability"); |
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282 # endif |
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283 #endif |
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284 |
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285 |
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286 #endif /* _@GUARD_PREFIX@_SYS_SELECT_H */ |
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287 #endif /* _@GUARD_PREFIX@_SYS_SELECT_H */ |
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288 #endif /* OSF/1 */ |