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+/*
+ * Copyright (c) International Business Machines Corp., 2014
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * File: heap.h
+ * Author: Shaun Wetzstein <shaun@us.ibm.com>
+ * Descr: Arena based (slab) memory allocator
+ * Note:
+ * Date: 07/28/10
+ */
+
+#ifndef __HEAP_H__
+#define __HEAP_H__
+
+#include <stdlib.h>
+
+#include "slab.h"
+
+/* ======================================================================= */
+
+typedef struct heap heap_t;
+
+struct heap {
+ size_t page_size;
+ size_t alloc_size;
+
+ size_t slab_size;
+ slab_t *slab[];
+};
+
+/* ======================================================================= */
+
+#define heap_init(a,c) (__heap_init((h),(a),(c),__FILE__,__LINE__))
+extern void __heap_init(heap_t * self, size_t alloc_size, size_t cache_size,
+ const char *file, int line);
+
+#define heap_new(a,c) (__heap_new((a),(c),__FILE__,__LINE__))
+extern heap_t *__heap_new(size_t alloc_size, size_t cache_size,
+ const char *file, int line);
+#define heap_delete(h) (__heap_delete((h),__FILE__,__LINE__))
+extern void __heap_delete(heap_t * self, const char *file,
+ int line) __nonnull((1));
+
+#define heap_alloc(h,s) (__heap_alloc((h),(s),__FILE__,__LINE__))
+extern void *__heap_alloc(heap_t * self, size_t size, const char *file,
+ int line) __nonnull((1));
+#define heap_free(h,p) (__heap_free((h),(p),__FILE__,__LINE__))
+extern void __heap_free(heap_t * self, void *ptr, const char *file,
+ int line) __nonnull((1, 2));
+
+extern void heap_dump(heap_t * self, FILE * out) __nonnull((1));
+
+/* ======================================================================= */
+
+#endif /* __HEAP_H__ */
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