| 1 | /* Provide a more complete sys/time.h. |
| 2 | |
| 3 | Copyright (C) 2007-2016 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 General Public License as published by |
| 7 | the Free Software Foundation; either version 3, 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 General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU 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 */ |