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Diffstat (limited to 'clib/heap.h')
-rw-r--r-- | clib/heap.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/clib/heap.h b/clib/heap.h new file mode 100644 index 0000000..3f82acb --- /dev/null +++ b/clib/heap.h @@ -0,0 +1,70 @@ +/* + * 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__ */ |