re-add TLSF

1 files changed, 61 insertions, 0 deletions

diff --git a/libs/pbd/pbd/tlsf.h b/libs/pbd/pbd/tlsf.h
new file mode 100644
index 0000000000..30e53c1b2d
--- /dev/null
+++ b/libs/pbd/pbd/tlsf.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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.
+ *
+ */
+#ifndef _tlsf_h_
+#define _tlsf_h_
+
+#include <string>
+
+#ifndef LIBPBD_API
+#include "pbd/libpbd_visibility.h"
+#endif
+
+namespace PBD {
+
+class LIBPBD_API TLSF
+{
+public:
+	TLSF (std::string name, size_t bytes);
+	~TLSF ();
+
+	void set_name (const std::string& n) { _name = n; }
+
+	static void * lalloc (void* pool, void* ptr, size_t /* oldsize*/, size_t newsize) {
+		return static_cast<TLSF*>(pool)->_realloc (ptr, newsize);
+	}
+
+	void* malloc (size_t size) { return _malloc (size); }
+
+	void* realloc (void *ptr, size_t newsize) { return _realloc (ptr, newsize); }
+
+	void free (void* ptr) { _free (ptr); }
+
+	size_t get_used_size () const;
+	size_t get_max_size () const;
+
+private:
+	std::string _name;
+	char*_mp;
+
+	void* _malloc (size_t);
+	void* _realloc (void *, size_t);
+	void  _free (void *);
+};
+
+} /* namespace */
+#endif // _reallocpool_h_