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-rw-r--r--gcell/src/lib/runtime/gc_aligned_alloc.cc54
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 0000000000..fa20a64432
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+++ 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());
+}