hammer/src/allocator.h
2012-10-08 17:11:47 +02:00

37 lines
1.3 KiB
C

/* Arena allocator for Hammer.
* Copyright (C) 2012 Meredith L. Patterson, Dan "TQ" Hirsch
*
* 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, version 2.
*
* 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 HAMMER_ALLOCATOR__H__
#define HAMMER_ALLOCATOR__H__
#include <sys/types.h>
typedef struct HArena_ HArena ; // hidden implementation
HArena *h_new_arena(size_t block_size); // pass 0 for default...
void* h_arena_malloc(HArena *arena, size_t count) __attribute__(( malloc, alloc_size(2) ));
void h_arena_free(HArena *arena, void* ptr); // For future expansion, with alternate memory managers.
void h_delete_arena(HArena *arena);
typedef struct {
size_t used;
size_t wasted;
} HArenaStats;
void h_allocator_stats(HArena *arena, HArenaStats *stats);
#endif // #ifndef LIB_ALLOCATOR__H__