lib/sys_time.in.h

   1 /* Provide a more complete sys/time.h.
   2
   3    Copyright (C) 2007-2012 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 #if __GNUC__ >= 3
  21 @PRAGMA_SYSTEM_HEADER@
  22 #endif
  23 @PRAGMA_COLUMNS@
  24
  25 #if defined _@GUARD_PREFIX@_SYS_TIME_H
  26
  27 /* Simply delegate to the system's header, without adding anything.  */
  28 # if @HAVE_SYS_TIME_H@
  29 #  @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
  30 # endif
  31
  32 #else
  33
  34 # define _@GUARD_PREFIX@_SYS_TIME_H
  35
  36 # if @HAVE_SYS_TIME_H@
  37 #  @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
  38 # else
  39 #  include <time.h>
  40 # endif
  41
  42 /* On native Windows with MSVC, get the 'struct timeval' type.
  43    Also, on native Windows with a 64-bit time_t, where we are overriding the
  44    'struct timeval' type, get all declarations of system functions whose
  45    signature contains 'struct timeval'.  */
  46 # if (defined _MSC_VER || @REPLACE_STRUCT_TIMEVAL@) && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
  47 #  define _GL_INCLUDING_WINSOCK2_H
  48 #  include <winsock2.h>
  49 #  undef _GL_INCLUDING_WINSOCK2_H
  50 # endif
  51
  52 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
  53
  54 /* The definition of _GL_ARG_NONNULL is copied here.  */
  55
  56 /* The definition of _GL_WARN_ON_USE is copied here.  */
  57
  58 # ifdef __cplusplus
  59 extern "C" {
  60 # endif
  61
  62 # if !@HAVE_STRUCT_TIMEVAL@ || @REPLACE_STRUCT_TIMEVAL@
  63
  64 #  if @REPLACE_STRUCT_TIMEVAL@
  65 #   define timeval rpl_timeval
  66 #  endif
  67
  68 #  if !GNULIB_defined_struct_timeval
  69 struct timeval
  70 {
  71   time_t tv_sec;
  72   long int tv_usec;
  73 };
  74 #   define GNULIB_defined_struct_timeval 1
  75 #  endif
  76
  77 # endif
  78
  79 # ifdef __cplusplus
  80 }
  81 # endif
  82
  83 # if @GNULIB_GETTIMEOFDAY@
  84 #  if @REPLACE_GETTIMEOFDAY@
  85 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
  86 #    undef gettimeofday
  87 #    define gettimeofday rpl_gettimeofday
  88 #   endif
  89 _GL_FUNCDECL_RPL (gettimeofday, int,
  90                   (struct timeval *restrict, void *restrict)
  91                   _GL_ARG_NONNULL ((1)));
  92 _GL_CXXALIAS_RPL (gettimeofday, int,
  93                   (struct timeval *restrict, void *restrict));
  94 #  else
  95 #   if !@HAVE_GETTIMEOFDAY@
  96 _GL_FUNCDECL_SYS (gettimeofday, int,
  97                   (struct timeval *restrict, void *restrict)
  98                   _GL_ARG_NONNULL ((1)));
  99 #   endif
 100 /* Need to cast, because on glibc systems, by default, the second argument is
 101                                                   struct timezone *.  */
 102 _GL_CXXALIAS_SYS_CAST (gettimeofday, int,
 103                        (struct timeval *restrict, void *restrict));
 104 #  endif
 105 _GL_CXXALIASWARN (gettimeofday);
 106 # elif defined GNULIB_POSIXCHECK
 107 #  undef gettimeofday
 108 #  if HAVE_RAW_DECL_GETTIMEOFDAY
 109 _GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
 110                  "use gnulib module gettimeofday for portability");
 111 #  endif
 112 # endif
 113
 114 /* Hide some function declarations from <winsock2.h>.  */
 115
 116 # if defined _MSC_VER && @HAVE_WINSOCK2_H@
 117 #  if !defined _@GUARD_PREFIX@_UNISTD_H
 118 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 119 #    undef close
 120 #    define close close_used_without_including_unistd_h
 121 #   else
 122      _GL_WARN_ON_USE (close,
 123                       "close() used without including <unistd.h>");
 124 #   endif
 125 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 126 #    undef gethostname
 127 #    define gethostname gethostname_used_without_including_unistd_h
 128 #   else
 129      _GL_WARN_ON_USE (gethostname,
 130                       "gethostname() used without including <unistd.h>");
 131 #   endif
 132 #  endif
 133 #  if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
 134 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 135 #    undef socket
 136 #    define socket              socket_used_without_including_sys_socket_h
 137 #    undef connect
 138 #    define connect             connect_used_without_including_sys_socket_h
 139 #    undef accept
 140 #    define accept              accept_used_without_including_sys_socket_h
 141 #    undef bind
 142 #    define bind                bind_used_without_including_sys_socket_h
 143 #    undef getpeername
 144 #    define getpeername         getpeername_used_without_including_sys_socket_h
 145 #    undef getsockname
 146 #    define getsockname         getsockname_used_without_including_sys_socket_h
 147 #    undef getsockopt
 148 #    define getsockopt          getsockopt_used_without_including_sys_socket_h
 149 #    undef listen
 150 #    define listen              listen_used_without_including_sys_socket_h
 151 #    undef recv
 152 #    define recv                recv_used_without_including_sys_socket_h
 153 #    undef send
 154 #    define send                send_used_without_including_sys_socket_h
 155 #    undef recvfrom
 156 #    define recvfrom            recvfrom_used_without_including_sys_socket_h
 157 #    undef sendto
 158 #    define sendto              sendto_used_without_including_sys_socket_h
 159 #    undef setsockopt
 160 #    define setsockopt          setsockopt_used_without_including_sys_socket_h
 161 #    undef shutdown
 162 #    define shutdown            shutdown_used_without_including_sys_socket_h
 163 #   else
 164      _GL_WARN_ON_USE (socket,
 165                       "socket() used without including <sys/socket.h>");
 166      _GL_WARN_ON_USE (connect,
 167                       "connect() used without including <sys/socket.h>");
 168      _GL_WARN_ON_USE (accept,
 169                       "accept() used without including <sys/socket.h>");
 170      _GL_WARN_ON_USE (bind,
 171                       "bind() used without including <sys/socket.h>");
 172      _GL_WARN_ON_USE (getpeername,
 173                       "getpeername() used without including <sys/socket.h>");
 174      _GL_WARN_ON_USE (getsockname,
 175                       "getsockname() used without including <sys/socket.h>");
 176      _GL_WARN_ON_USE (getsockopt,
 177                       "getsockopt() used without including <sys/socket.h>");
 178      _GL_WARN_ON_USE (listen,
 179                       "listen() used without including <sys/socket.h>");
 180      _GL_WARN_ON_USE (recv,
 181                       "recv() used without including <sys/socket.h>");
 182      _GL_WARN_ON_USE (send,
 183                       "send() used without including <sys/socket.h>");
 184      _GL_WARN_ON_USE (recvfrom,
 185                       "recvfrom() used without including <sys/socket.h>");
 186      _GL_WARN_ON_USE (sendto,
 187                       "sendto() used without including <sys/socket.h>");
 188      _GL_WARN_ON_USE (setsockopt,
 189                       "setsockopt() used without including <sys/socket.h>");
 190      _GL_WARN_ON_USE (shutdown,
 191                       "shutdown() used without including <sys/socket.h>");
 192 #   endif
 193 #  endif
 194 #  if !defined _@GUARD_PREFIX@_SYS_SELECT_H
 195 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 196 #    undef select
 197 #    define select select_used_without_including_sys_select_h
 198 #   else
 199      _GL_WARN_ON_USE (select,
 200                       "select() used without including <sys/select.h>");
 201 #   endif
 202 #  endif
 203 # endif
 204
 205 #endif /* _@GUARD_PREFIX@_SYS_TIME_H */