1 /* Provide a more complete sys/time.h. 2 3 Copyright (C) 2007-2017 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as published by 7 the Free Software Foundation; either version 2, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program; if not, see <http://www.gnu.org/licenses/>. */ 17 18 /* Written by Paul Eggert. */ 19 20 #ifndef _@GUARD_PREFIX@_SYS_TIME_H 21 22 #if __GNUC__ >= 3 23 @PRAGMA_SYSTEM_HEADER@ 24 #endif 25 @PRAGMA_COLUMNS@ 26 27 /* On Cygwin and on many BSDish systems, <sys/time.h> includes itself 28 recursively via <sys/select.h>. 29 Simply delegate to the system's header in this case; it is a no-op. 30 Without this extra ifdef, the C++ gettimeofday declaration below 31 would be a forward declaration in gnulib's nested <sys/time.h>. */ 32 #if defined _CYGWIN_SYS_TIME_H || defined _SYS_TIME_H || defined _SYS_TIME_H_ 33 # @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@ 34 #else 35 36 /* The include_next requires a split double-inclusion guard. */ 37 #if @HAVE_SYS_TIME_H@ 38 # @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@ 39 #endif 40 41 #ifndef _@GUARD_PREFIX@_SYS_TIME_H 42 #define _@GUARD_PREFIX@_SYS_TIME_H 43 44 #if ! @HAVE_SYS_TIME_H@ 45 # include <time.h> 46 #endif 47 48 /* On native Windows with MSVC, get the 'struct timeval' type. 49 Also, on native Windows with a 64-bit time_t, where we are overriding the 50 'struct timeval' type, get all declarations of system functions whose 51 signature contains 'struct timeval'. */ 52 #if (defined _MSC_VER || @REPLACE_STRUCT_TIMEVAL@) && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H 53 # define _GL_INCLUDING_WINSOCK2_H 54 # include <winsock2.h> 55 # undef _GL_INCLUDING_WINSOCK2_H 56 #endif 57 58 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ 59 60 /* The definition of _GL_ARG_NONNULL is copied here. */ 61 62 /* The definition of _GL_WARN_ON_USE is copied here. */ 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 68 #if !@HAVE_STRUCT_TIMEVAL@ || @REPLACE_STRUCT_TIMEVAL@ 69 70 # if @REPLACE_STRUCT_TIMEVAL@ 71 # define timeval rpl_timeval 72 # endif 73 74 # if !GNULIB_defined_struct_timeval 75 struct timeval 76 { 77 time_t tv_sec; 78 long int tv_usec; 79 }; 80 # define GNULIB_defined_struct_timeval 1 81 # endif 82 83 #endif 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #if @GNULIB_GETTIMEOFDAY@ 90 # if @REPLACE_GETTIMEOFDAY@ 91 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 92 # undef gettimeofday 93 # define gettimeofday rpl_gettimeofday 94 # endif 95 _GL_FUNCDECL_RPL (gettimeofday, int, 96 (struct timeval *restrict, void *restrict) 97 _GL_ARG_NONNULL ((1))); 98 _GL_CXXALIAS_RPL (gettimeofday, int, 99 (struct timeval *restrict, void *restrict)); 100 # else 101 # if !@HAVE_GETTIMEOFDAY@ 102 _GL_FUNCDECL_SYS (gettimeofday, int, 103 (struct timeval *restrict, void *restrict) 104 _GL_ARG_NONNULL ((1))); 105 # endif 106 /* Need to cast, because on glibc systems, by default, the second argument is 107 struct timezone *. */ 108 _GL_CXXALIAS_SYS_CAST (gettimeofday, int, 109 (struct timeval *restrict, void *restrict)); 110 # endif 111 _GL_CXXALIASWARN (gettimeofday); 112 # if defined __cplusplus && defined GNULIB_NAMESPACE 113 namespace GNULIB_NAMESPACE { 114 typedef ::timeval 115 #undef timeval 116 timeval; 117 } 118 # endif 119 #elif defined GNULIB_POSIXCHECK 120 # undef gettimeofday 121 # if HAVE_RAW_DECL_GETTIMEOFDAY 122 _GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - " 123 "use gnulib module gettimeofday for portability"); 124 # endif 125 #endif 126 127 /* Hide some function declarations from <winsock2.h>. */ 128 129 #if defined _MSC_VER && @HAVE_WINSOCK2_H@ 130 # if !defined _@GUARD_PREFIX@_UNISTD_H 131 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 132 # undef close 133 # define close close_used_without_including_unistd_h 134 # else 135 _GL_WARN_ON_USE (close, 136 "close() used without including <unistd.h>"); 137 # endif 138 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 139 # undef gethostname 140 # define gethostname gethostname_used_without_including_unistd_h 141 # else 142 _GL_WARN_ON_USE (gethostname, 143 "gethostname() used without including <unistd.h>"); 144 # endif 145 # endif 146 # if !defined _@GUARD_PREFIX@_SYS_SOCKET_H 147 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 148 # undef socket 149 # define socket socket_used_without_including_sys_socket_h 150 # undef connect 151 # define connect connect_used_without_including_sys_socket_h 152 # undef accept 153 # define accept accept_used_without_including_sys_socket_h 154 # undef bind 155 # define bind bind_used_without_including_sys_socket_h 156 # undef getpeername 157 # define getpeername getpeername_used_without_including_sys_socket_h 158 # undef getsockname 159 # define getsockname getsockname_used_without_including_sys_socket_h 160 # undef getsockopt 161 # define getsockopt getsockopt_used_without_including_sys_socket_h 162 # undef listen 163 # define listen listen_used_without_including_sys_socket_h 164 # undef recv 165 # define recv recv_used_without_including_sys_socket_h 166 # undef send 167 # define send send_used_without_including_sys_socket_h 168 # undef recvfrom 169 # define recvfrom recvfrom_used_without_including_sys_socket_h 170 # undef sendto 171 # define sendto sendto_used_without_including_sys_socket_h 172 # undef setsockopt 173 # define setsockopt setsockopt_used_without_including_sys_socket_h 174 # undef shutdown 175 # define shutdown shutdown_used_without_including_sys_socket_h 176 # else 177 _GL_WARN_ON_USE (socket, 178 "socket() used without including <sys/socket.h>"); 179 _GL_WARN_ON_USE (connect, 180 "connect() used without including <sys/socket.h>"); 181 _GL_WARN_ON_USE (accept, 182 "accept() used without including <sys/socket.h>"); 183 _GL_WARN_ON_USE (bind, 184 "bind() used without including <sys/socket.h>"); 185 _GL_WARN_ON_USE (getpeername, 186 "getpeername() used without including <sys/socket.h>"); 187 _GL_WARN_ON_USE (getsockname, 188 "getsockname() used without including <sys/socket.h>"); 189 _GL_WARN_ON_USE (getsockopt, 190 "getsockopt() used without including <sys/socket.h>"); 191 _GL_WARN_ON_USE (listen, 192 "listen() used without including <sys/socket.h>"); 193 _GL_WARN_ON_USE (recv, 194 "recv() used without including <sys/socket.h>"); 195 _GL_WARN_ON_USE (send, 196 "send() used without including <sys/socket.h>"); 197 _GL_WARN_ON_USE (recvfrom, 198 "recvfrom() used without including <sys/socket.h>"); 199 _GL_WARN_ON_USE (sendto, 200 "sendto() used without including <sys/socket.h>"); 201 _GL_WARN_ON_USE (setsockopt, 202 "setsockopt() used without including <sys/socket.h>"); 203 _GL_WARN_ON_USE (shutdown, 204 "shutdown() used without including <sys/socket.h>"); 205 # endif 206 # endif 207 # if !defined _@GUARD_PREFIX@_SYS_SELECT_H 208 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 209 # undef select 210 # define select select_used_without_including_sys_select_h 211 # else 212 _GL_WARN_ON_USE (select, 213 "select() used without including <sys/select.h>"); 214 # endif 215 # endif 216 #endif 217 218 #endif /* _@GUARD_PREFIX@_SYS_TIME_H */ 219 #endif /* _CYGWIN_SYS_TIME_H */ 220 #endif /* _@GUARD_PREFIX@_SYS_TIME_H */ 221