From 5d69a524f81f234b3fbc41d49ba18d6f6886baba Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Thu, 3 Aug 2006 04:51:51 +0000
Subject: Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
---
.../config/gr_check_createfilemapping.m4 | 52 ++++++++++++++++++++++
1 file changed, 52 insertions(+)
create mode 100644 gr-howto-write-a-block/config/gr_check_createfilemapping.m4
(limited to 'gr-howto-write-a-block/config/gr_check_createfilemapping.m4')
diff --git a/gr-howto-write-a-block/config/gr_check_createfilemapping.m4 b/gr-howto-write-a-block/config/gr_check_createfilemapping.m4
new file mode 100644
index 0000000000..9cb94f5758
--- /dev/null
+++ b/gr-howto-write-a-block/config/gr_check_createfilemapping.m4
@@ -0,0 +1,52 @@
+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 2, 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., 59 Temple Place - Suite 330,
+dnl Boston, MA 02111-1307, 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([
+#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)
+])
+
+
--
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