| 1 | /* Provide a more complete sys/time.h.
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| 2 |
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| 3 | Copyright (C) 2007-2021 Free Software Foundation, Inc.
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| 4 |
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| 5 | This file is free software: you can redistribute it and/or modify
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| 6 | it under the terms of the GNU Lesser General Public License as
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| 7 | published by the Free Software Foundation; either version 2.1 of the
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| 8 | License, or (at your option) any later version.
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| 9 |
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| 10 | This file is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU Lesser General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU Lesser General Public License
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| 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. */
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| 17 |
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| 18 | /* Written by Paul Eggert. */
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| 19 |
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| 20 | #ifndef _@GUARD_PREFIX@_SYS_TIME_H
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| 21 |
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| 22 | #if __GNUC__ >= 3
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| 23 | @PRAGMA_SYSTEM_HEADER@
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| 24 | #endif
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| 25 | @PRAGMA_COLUMNS@
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| 26 |
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| 27 | /* On Cygwin and on many BSDish systems, <sys/time.h> includes itself
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| 28 | recursively via <sys/select.h>.
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| 29 | Simply delegate to the system's header in this case; it is a no-op.
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| 30 | Without this extra ifdef, the C++ gettimeofday declaration below
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| 31 | would be a forward declaration in gnulib's nested <sys/time.h>. */
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| 32 | #if defined _CYGWIN_SYS_TIME_H || defined _SYS_TIME_H || defined _SYS_TIME_H_
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| 33 | # @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
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| 34 | #else
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| 35 |
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| 36 | /* The include_next requires a split double-inclusion guard. */
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| 37 | #if @HAVE_SYS_TIME_H@
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| 38 | # @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
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| 39 | #endif
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| 40 |
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| 41 | #ifndef _@GUARD_PREFIX@_SYS_TIME_H
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| 42 | #define _@GUARD_PREFIX@_SYS_TIME_H
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| 43 |
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| 44 | #if ! @HAVE_SYS_TIME_H@
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| 45 | # include <time.h>
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| 46 | #endif
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| 47 |
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| 48 | /* On native Windows with MSVC, get the 'struct timeval' type.
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| 49 | Also, on native Windows with a 64-bit time_t, where we are overriding the
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| 50 | 'struct timeval' type, get all declarations of system functions whose
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| 51 | signature contains 'struct timeval'. */
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| 52 | #if (defined _MSC_VER || @REPLACE_STRUCT_TIMEVAL@) && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
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| 53 | # define _GL_INCLUDING_WINSOCK2_H
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| 54 | # include <winsock2.h>
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| 55 | # undef _GL_INCLUDING_WINSOCK2_H
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| 56 | #endif
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| 57 |
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| 58 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
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| 59 |
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| 60 | /* The definition of _GL_ARG_NONNULL is copied here. */
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| 61 |
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| 62 | /* The definition of _GL_WARN_ON_USE is copied here. */
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| 63 |
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| 64 | #ifdef __cplusplus
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| 65 | extern "C" {
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| 66 | #endif
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| 67 |
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| 68 | #if !@HAVE_STRUCT_TIMEVAL@ || @REPLACE_STRUCT_TIMEVAL@
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| 69 |
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| 70 | # if @REPLACE_STRUCT_TIMEVAL@
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| 71 | # define timeval rpl_timeval
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| 72 | # endif
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| 73 |
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| 74 | # if !GNULIB_defined_struct_timeval
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| 75 | struct timeval
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| 76 | {
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| 77 | time_t tv_sec;
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| 78 | long int tv_usec;
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| 79 | };
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| 80 | # define GNULIB_defined_struct_timeval 1
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| 81 | # endif
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| 82 |
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| 83 | #endif
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| 84 |
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| 85 | #ifdef __cplusplus
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| 86 | }
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| 87 | #endif
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| 88 |
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| 89 | #if @GNULIB_GETTIMEOFDAY@
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| 90 | # if @REPLACE_GETTIMEOFDAY@
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| 91 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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| 92 | # undef gettimeofday
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| 93 | # define gettimeofday rpl_gettimeofday
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| 94 | # endif
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| 95 | _GL_FUNCDECL_RPL (gettimeofday, int,
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| 96 | (struct timeval *restrict, void *restrict)
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| 97 | _GL_ARG_NONNULL ((1)));
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| 98 | _GL_CXXALIAS_RPL (gettimeofday, int,
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| 99 | (struct timeval *restrict, void *restrict));
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| 100 | # else
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| 101 | # if !@HAVE_GETTIMEOFDAY@
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| 102 | _GL_FUNCDECL_SYS (gettimeofday, int,
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| 103 | (struct timeval *restrict, void *restrict)
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| 104 | _GL_ARG_NONNULL ((1)));
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| 105 | # endif
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| 106 | /* Need to cast, because on glibc systems, by default, the second argument is
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| 107 | struct timezone *. */
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| 108 | _GL_CXXALIAS_SYS_CAST (gettimeofday, int,
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| 109 | (struct timeval *restrict, void *restrict));
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| 110 | # endif
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| 111 | _GL_CXXALIASWARN (gettimeofday);
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| 112 | # if defined __cplusplus && defined GNULIB_NAMESPACE
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| 113 | namespace GNULIB_NAMESPACE {
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| 114 | typedef ::timeval
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| 115 | # undef timeval
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| 116 | timeval;
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| 117 | # if @REPLACE_STRUCT_TIMEVAL@
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| 118 | # define timeval rpl_timeval
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| 119 | typedef ::timeval timeval;
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| 120 | # endif
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| 121 | }
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| 122 | # endif
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| 123 | #elif defined GNULIB_POSIXCHECK
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| 124 | # undef gettimeofday
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| 125 | # if HAVE_RAW_DECL_GETTIMEOFDAY
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| 126 | _GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
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| 127 | "use gnulib module gettimeofday for portability");
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| 128 | # endif
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| 129 | #endif
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| 130 |
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| 131 | /* Hide some function declarations from <winsock2.h>. */
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| 132 |
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| 133 | #if defined _MSC_VER && @HAVE_WINSOCK2_H@
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| 134 | # if !defined _@GUARD_PREFIX@_UNISTD_H
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| 135 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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| 136 | # undef close
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| 137 | # define close close_used_without_including_unistd_h
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| 138 | # elif !defined __clang__
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| 139 | _GL_WARN_ON_USE (close,
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| 140 | "close() used without including <unistd.h>");
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| 141 | # endif
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| 142 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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| 143 | # undef gethostname
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| 144 | # define gethostname gethostname_used_without_including_unistd_h
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| 145 | # else
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| 146 | _GL_WARN_ON_USE (gethostname,
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| 147 | "gethostname() used without including <unistd.h>");
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| 148 | # endif
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| 149 | # endif
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| 150 | # if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
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| 151 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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| 152 | # undef socket
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| 153 | # define socket socket_used_without_including_sys_socket_h
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| 154 | # undef connect
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| 155 | # define connect connect_used_without_including_sys_socket_h
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| 156 | # undef accept
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| 157 | # define accept accept_used_without_including_sys_socket_h
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| 158 | # undef bind
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| 159 | # define bind bind_used_without_including_sys_socket_h
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| 160 | # undef getpeername
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| 161 | # define getpeername getpeername_used_without_including_sys_socket_h
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| 162 | # undef getsockname
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| 163 | # define getsockname getsockname_used_without_including_sys_socket_h
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| 164 | # undef getsockopt
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| 165 | # define getsockopt getsockopt_used_without_including_sys_socket_h
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| 166 | # undef listen
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| 167 | # define listen listen_used_without_including_sys_socket_h
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| 168 | # undef recv
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| 169 | # define recv recv_used_without_including_sys_socket_h
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| 170 | # undef send
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| 171 | # define send send_used_without_including_sys_socket_h
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| 172 | # undef recvfrom
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| 173 | # define recvfrom recvfrom_used_without_including_sys_socket_h
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| 174 | # undef sendto
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| 175 | # define sendto sendto_used_without_including_sys_socket_h
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| 176 | # undef setsockopt
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| 177 | # define setsockopt setsockopt_used_without_including_sys_socket_h
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| 178 | # undef shutdown
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| 179 | # define shutdown shutdown_used_without_including_sys_socket_h
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| 180 | # else
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| 181 | _GL_WARN_ON_USE (socket,
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| 182 | "socket() used without including <sys/socket.h>");
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| 183 | _GL_WARN_ON_USE (connect,
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| 184 | "connect() used without including <sys/socket.h>");
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| 185 | _GL_WARN_ON_USE (accept,
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| 186 | "accept() used without including <sys/socket.h>");
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| 187 | _GL_WARN_ON_USE (bind,
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| 188 | "bind() used without including <sys/socket.h>");
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| 189 | _GL_WARN_ON_USE (getpeername,
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| 190 | "getpeername() used without including <sys/socket.h>");
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| 191 | _GL_WARN_ON_USE (getsockname,
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| 192 | "getsockname() used without including <sys/socket.h>");
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| 193 | _GL_WARN_ON_USE (getsockopt,
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| 194 | "getsockopt() used without including <sys/socket.h>");
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| 195 | _GL_WARN_ON_USE (listen,
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| 196 | "listen() used without including <sys/socket.h>");
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| 197 | _GL_WARN_ON_USE (recv,
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| 198 | "recv() used without including <sys/socket.h>");
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| 199 | _GL_WARN_ON_USE (send,
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| 200 | "send() used without including <sys/socket.h>");
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| 201 | _GL_WARN_ON_USE (recvfrom,
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| 202 | "recvfrom() used without including <sys/socket.h>");
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| 203 | _GL_WARN_ON_USE (sendto,
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| 204 | "sendto() used without including <sys/socket.h>");
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| 205 | _GL_WARN_ON_USE (setsockopt,
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| 206 | "setsockopt() used without including <sys/socket.h>");
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| 207 | _GL_WARN_ON_USE (shutdown,
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| 208 | "shutdown() used without including <sys/socket.h>");
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| 209 | # endif
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| 210 | # endif
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| 211 | # if !defined _@GUARD_PREFIX@_SYS_SELECT_H
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| 212 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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| 213 | # undef select
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| 214 | # define select select_used_without_including_sys_select_h
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| 215 | # else
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| 216 | _GL_WARN_ON_USE (select,
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| 217 | "select() used without including <sys/select.h>");
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| 218 | # endif
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| 219 | # endif
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| 220 | #endif
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| 221 |
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| 222 | #endif /* _@GUARD_PREFIX@_SYS_TIME_H */
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| 223 | #endif /* _CYGWIN_SYS_TIME_H */
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| 224 | #endif /* _@GUARD_PREFIX@_SYS_TIME_H */
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