mempool.h

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/* Copyright (c) 2007-2010, The Tor Project, Inc. */
/* See LICENSE for licensing information */

#ifndef _TOR_MEMPOOL_H
#define _TOR_MEMPOOL_H

typedef struct mp_pool_t mp_pool_t;

void *mp_pool_get(mp_pool_t *pool);
void mp_pool_release(void *item);
mp_pool_t *mp_pool_new(size_t item_size, size_t chunk_capacity);
void mp_pool_clean(mp_pool_t *pool, int n_to_keep, int keep_recently_used);
void mp_pool_destroy(mp_pool_t *pool);
void mp_pool_assert_ok(mp_pool_t *pool);
void mp_pool_log_status(mp_pool_t *pool, int severity);

#define MEMPOOL_STATS

#ifdef MEMPOOL_PRIVATE
/* These declarations are only used by mempool.c and test.c */

struct mp_pool_t {
  struct mp_chunk_t *empty_chunks;
  struct mp_chunk_t *used_chunks;
  struct mp_chunk_t *full_chunks;
  int n_empty_chunks;
  int min_empty_chunks;
  int new_chunk_capacity;
  size_t item_alloc_size;
#ifdef MEMPOOL_STATS

  uint64_t total_items_allocated;
  uint64_t total_chunks_allocated;
  uint64_t total_chunks_freed;
#endif
};
#endif

#endif

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