Merged eb/gcell -r8215:8243 into trunk. This adds gr-gcell, the GNU

Radio interface to the Cell Broadband Engine.


git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8244 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 54 insertions, 0 deletions

diff --git a/gcell/src/lib/runtime/gc_aligned_alloc.cc b/gcell/src/lib/runtime/gc_aligned_alloc.cc
new file mode 100644
index 000000000..fa20a6443
--- /dev/null
+++ b/gcell/src/lib/runtime/gc_aligned_alloc.cc
@@ -0,0 +1,54 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <gc_aligned_alloc.h>
+#include <stdlib.h>
+#include <stdexcept>
+
+// custom deleter of anything that can be freed with "free"
+class free_deleter {
+public:
+  void operator()(void *p) {
+    free(p);
+  }
+};
+
+void *
+gc_aligned_alloc(size_t size, size_t alignment)
+{
+  void *p = 0;
+  if (posix_memalign(&p, alignment, size) != 0){
+    perror("posix_memalign");
+    throw std::runtime_error("memory");
+  }
+  memset(p, 0, size);		// zero the memory
+  return p;
+}
+
+boost::shared_ptr<void>
+gc_aligned_alloc_sptr(size_t size, size_t alignment)
+{
+  return boost::shared_ptr<void>(gc_aligned_alloc(size, alignment),
+				 free_deleter());
+}