From f3e2e07201c50033bf6c9d0c6a6f068557b4f17f Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Wed, 17 Apr 2013 13:43:52 -0400
Subject: runtime: converting runtime core to gr namespace, gnuradio include
dir.
---
gnuradio-runtime/lib/pagesize.cc | 59 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100644 gnuradio-runtime/lib/pagesize.cc
(limited to 'gnuradio-runtime/lib/pagesize.cc')
diff --git a/gnuradio-runtime/lib/pagesize.cc b/gnuradio-runtime/lib/pagesize.cc
new file mode 100644
index 0000000000..373c0b6654
--- /dev/null
+++ b/gnuradio-runtime/lib/pagesize.cc
@@ -0,0 +1,59 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2003,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pagesize.h"
+#include <unistd.h>
+#include <stdio.h>
+
+namespace gr {
+
+#if defined(_WIN32) && defined(HAVE_GETPAGESIZE)
+ extern "C" size_t getpagesize(void);
+#endif
+
+ int
+ pagesize()
+ {
+ static int s_pagesize = -1;
+
+ if(s_pagesize == -1) {
+#if defined(HAVE_GETPAGESIZE)
+ s_pagesize = getpagesize();
+#elif defined (HAVE_SYSCONF)
+ s_pagesize = sysconf(_SC_PAGESIZE);
+ if(s_pagesize == -1) {
+ perror("_SC_PAGESIZE");
+ s_pagesize = 4096;
+ }
+#else
+ fprintf(stderr, "gr::pagesize: no info; setting pagesize = 4096\n");
+ s_pagesize = 4096;
+#endif
+ }
+ return s_pagesize;
+ }
+
+} /* namespace gr */
--
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