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 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, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 /* Written by Paul Eggert.  */
  20
  21 #if __GNUC__ >= 3
  22 @PRAGMA_SYSTEM_HEADER@
  23 #endif
  24 @PRAGMA_COLUMNS@
  25
  26 #if defined _@GUARD_PREFIX@_SYS_TIME_H
  27
  28 /* Simply delegate to the system's header, without adding anything.  */
  29 # if @HAVE_SYS_TIME_H@
  30 #  @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
  31 # endif
  32
  33 #else
  34
  35 # define _@GUARD_PREFIX@_SYS_TIME_H
  36
  37 # if @HAVE_SYS_TIME_H@
  38 #  @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
  39 # else
  40 #  include <time.h>
  41 # endif
  42
  43 /* On native Windows with MSVC:
  44    Get the 'struct timeval' type.  */
  45 # if defined _MSC_VER && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
  46 #  define _GL_INCLUDING_WINSOCK2_H
  47 #  include <winsock2.h>
  48 #  undef _GL_INCLUDING_WINSOCK2_H
  49 # endif
  50
  51 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
  52
  53 /* The definition of _GL_ARG_NONNULL is copied here.  */
  54
  55 /* The definition of _GL_WARN_ON_USE is copied here.  */
  56
  57 # ifdef __cplusplus
  58 extern "C" {
  59 # endif
  60
  61 # if ! @HAVE_STRUCT_TIMEVAL@
  62
  63 #  if !GNULIB_defined_struct_timeval
  64 struct timeval
  65 {
  66   time_t tv_sec;
  67   long int tv_usec;
  68 };
  69 #   define GNULIB_defined_struct_timeval 1
  70 #  endif
  71
  72 # endif
  73
  74 # ifdef __cplusplus
  75 }
  76 # endif
  77
  78 # if @GNULIB_GETTIMEOFDAY@
  79 #  if @REPLACE_GETTIMEOFDAY@
  80 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
  81 #    undef gettimeofday
  82 #    define gettimeofday rpl_gettimeofday
  83 #   endif
  84 _GL_FUNCDECL_RPL (gettimeofday, int,
  85                   (struct timeval *restrict, void *restrict)
  86                   _GL_ARG_NONNULL ((1)));
  87 _GL_CXXALIAS_RPL (gettimeofday, int,
  88                   (struct timeval *restrict, void *restrict));
  89 #  else
  90 #   if !@HAVE_GETTIMEOFDAY@
  91 _GL_FUNCDECL_SYS (gettimeofday, int,
  92                   (struct timeval *restrict, void *restrict)
  93                   _GL_ARG_NONNULL ((1)));
  94 #   endif
  95 /* Need to cast, because on glibc systems, by default, the second argument is
  96                                                   struct timezone *.  */
  97 _GL_CXXALIAS_SYS_CAST (gettimeofday, int,
  98                        (struct timeval *restrict, void *restrict));
  99 #  endif
 100 _GL_CXXALIASWARN (gettimeofday);
 101 # elif defined GNULIB_POSIXCHECK
 102 #  undef gettimeofday
 103 #  if HAVE_RAW_DECL_GETTIMEOFDAY
 104 _GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
 105                  "use gnulib module gettimeofday for portability");
 106 #  endif
 107 # endif
 108
 109 /* Hide some function declarations from <winsock2.h>.  */
 110
 111 # if defined _MSC_VER && @HAVE_WINSOCK2_H@
 112 #  if !defined _@GUARD_PREFIX@_UNISTD_H
 113 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 114 #    undef close
 115 #    define close close_used_without_including_unistd_h
 116 #   else
 117      _GL_WARN_ON_USE (close,
 118                       "close() used without including <unistd.h>");
 119 #   endif
 120 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 121 #    undef gethostname
 122 #    define gethostname gethostname_used_without_including_unistd_h
 123 #   else
 124      _GL_WARN_ON_USE (gethostname,
 125                       "gethostname() used without including <unistd.h>");
 126 #   endif
 127 #  endif
 128 #  if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
 129 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 130 #    undef socket
 131 #    define socket              socket_used_without_including_sys_socket_h
 132 #    undef connect
 133 #    define connect             connect_used_without_including_sys_socket_h
 134 #    undef accept
 135 #    define accept              accept_used_without_including_sys_socket_h
 136 #    undef bind
 137 #    define bind                bind_used_without_including_sys_socket_h
 138 #    undef getpeername
 139 #    define getpeername         getpeername_used_without_including_sys_socket_h
 140 #    undef getsockname
 141 #    define getsockname         getsockname_used_without_including_sys_socket_h
 142 #    undef getsockopt
 143 #    define getsockopt          getsockopt_used_without_including_sys_socket_h
 144 #    undef listen
 145 #    define listen              listen_used_without_including_sys_socket_h
 146 #    undef recv
 147 #    define recv                recv_used_without_including_sys_socket_h
 148 #    undef send
 149 #    define send                send_used_without_including_sys_socket_h
 150 #    undef recvfrom
 151 #    define recvfrom            recvfrom_used_without_including_sys_socket_h
 152 #    undef sendto
 153 #    define sendto              sendto_used_without_including_sys_socket_h
 154 #    undef setsockopt
 155 #    define setsockopt          setsockopt_used_without_including_sys_socket_h
 156 #    undef shutdown
 157 #    define shutdown            shutdown_used_without_including_sys_socket_h
 158 #   else
 159      _GL_WARN_ON_USE (socket,
 160                       "socket() used without including <sys/socket.h>");
 161      _GL_WARN_ON_USE (connect,
 162                       "connect() used without including <sys/socket.h>");
 163      _GL_WARN_ON_USE (accept,
 164                       "accept() used without including <sys/socket.h>");
 165      _GL_WARN_ON_USE (bind,
 166                       "bind() used without including <sys/socket.h>");
 167      _GL_WARN_ON_USE (getpeername,
 168                       "getpeername() used without including <sys/socket.h>");
 169      _GL_WARN_ON_USE (getsockname,
 170                       "getsockname() used without including <sys/socket.h>");
 171      _GL_WARN_ON_USE (getsockopt,
 172                       "getsockopt() used without including <sys/socket.h>");
 173      _GL_WARN_ON_USE (listen,
 174                       "listen() used without including <sys/socket.h>");
 175      _GL_WARN_ON_USE (recv,
 176                       "recv() used without including <sys/socket.h>");
 177      _GL_WARN_ON_USE (send,
 178                       "send() used without including <sys/socket.h>");
 179      _GL_WARN_ON_USE (recvfrom,
 180                       "recvfrom() used without including <sys/socket.h>");
 181      _GL_WARN_ON_USE (sendto,
 182                       "sendto() used without including <sys/socket.h>");
 183      _GL_WARN_ON_USE (setsockopt,
 184                       "setsockopt() used without including <sys/socket.h>");
 185      _GL_WARN_ON_USE (shutdown,
 186                       "shutdown() used without including <sys/socket.h>");
 187 #   endif
 188 #  endif
 189 #  if !defined _@GUARD_PREFIX@_SYS_SELECT_H
 190 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 191 #    undef select
 192 #    define select select_used_without_including_sys_select_h
 193 #   else
 194      _GL_WARN_ON_USE (select,
 195                       "select() used without including <sys/select.h>");
 196 #   endif
 197 #  endif
 198 # endif
 199
 200 #endif /* _@GUARD_PREFIX@_SYS_TIME_H */