dnl

dnl Copyright 2005 Free Software Foundation, Inc.

dnl 

dnl This file is part of GNU Radio

dnl 

dnl GNU Radio is free software; you can redistribute it and/or modify

dnl it under the terms of the GNU General Public License as published by

dnl the Free Software Foundation; either version 3, or (at your option)

dnl any later version.

dnl 

dnl GNU Radio is distributed in the hope that it will be useful,

dnl but WITHOUT ANY WARRANTY; without even the implied warranty of

dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

dnl GNU General Public License for more details.

dnl 

dnl You should have received a copy of the GNU General Public License

dnl along with GNU Radio; see the file COPYING.  If not, write to

dnl the Free Software Foundation, Inc., 51 Franklin Street,

dnl Boston, MA 02110-1301, USA.

dnl AC_DEFUN([GR_CHECK_CREATEFILEMAPPING],

dnl [

dnl   AC_CHECK_FUNCS([CreateFileMapping])

dnl ])

AC_DEFUN([GR_CHECK_CREATEFILEMAPPING],[

  AC_MSG_CHECKING([for CreateFileMapping function])

  AC_COMPILE_IFELSE([AC_LANG_SOURCE([

#include <windows.h>

int main (int argc, char **argv)

{ 

    HANDLE handle;

    int size;

    char	 	seg_name[[1024]];

    handle = CreateFileMapping(

                     INVALID_HANDLE_VALUE,    // use paging file

                     NULL,                    // default security

                     PAGE_READWRITE,          // read/write access

                     0,                       // max. object size

                     size,                // buffer size

                     seg_name);                 // name of mapping object

    return 0;

}

])],[HAVE_CREATEFILEMAPPING=yes

     AC_DEFINE([HAVE_CREATEFILEMAPPING],[1],

	[Define if you have the CreateFilemapping function(win32).])],

  [HAVE_CREATEFILEMAPPING=no])

  AC_MSG_RESULT([$HAVE_CREATEFILEMAPPING])

  AM_CONDITIONAL([HAVE_CREATEFILEMAPPING], [test x$HAVE_CREATEFILEMAPPING = xyes])

])