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https://github.com/unrealircd/unrealircd.git
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Bram Matthys
b785d69309
These were not a surprise, but deliberate: we let the previous clang-format commit be 100% clang-format job (so reproducable) and after that we planend and did this commit, because we chose to leave some stuff alone and do it manually. This commit will (also) be added to .git-blame-ignore-revs
106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/*
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* Copyright (c) 2007-2012, The Tor Project, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the names of the copyright owners nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Imported from hybrid svn:
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* \file mempool.h
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* \brief Pooling allocator
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* \version $Id: mempool.h 1662 2012-11-17 20:11:33Z michael $
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*/
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#ifndef TOR_MEMPOOL_H
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#define TOR_MEMPOOL_H
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#ifdef _WIN32
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#define uint64_t unsigned __int64
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#endif
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/** A memory pool is a context in which a large number of fixed-sized
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* objects can be allocated efficiently. See mempool.c for implementation
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* details. */
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typedef struct mp_pool_t mp_pool_t;
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extern void mp_pool_init(void);
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extern void *mp_pool_get(mp_pool_t *);
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extern void mp_pool_release(void *);
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extern mp_pool_t *mp_pool_new(size_t, size_t);
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extern void mp_pool_clean(mp_pool_t *, int, int);
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extern void mp_pool_destroy(mp_pool_t *);
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extern void mp_pool_assert_ok(mp_pool_t *);
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extern void mp_pool_log_status(mp_pool_t *);
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extern void mp_pool_garbage_collect(void *);
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#define MEMPOOL_STATS
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struct mp_pool_t {
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/** Next pool. A pool is usually linked into the mp_allocated_pools list. */
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mp_pool_t *next;
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/** Doubly-linked list of chunks in which no items have been allocated.
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* The front of the list is the most recently emptied chunk. */
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struct mp_chunk_t *empty_chunks;
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/** Doubly-linked list of chunks in which some items have been allocated,
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* but which are not yet full. The front of the list is the chunk that has
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* most recently been modified. */
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struct mp_chunk_t *used_chunks;
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/** Doubly-linked list of chunks in which no more items can be allocated.
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* The front of the list is the chunk that has most recently become full. */
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struct mp_chunk_t *full_chunks;
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/** Length of <b>empty_chunks</b>. */
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int n_empty_chunks;
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/** Lowest value of <b>empty_chunks</b> since last call to
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* mp_pool_clean(-1). */
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int min_empty_chunks;
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/** Size of each chunk (in items). */
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int new_chunk_capacity;
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/** Size to allocate for each item, including overhead and alignment
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* padding. */
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size_t item_alloc_size;
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#ifdef MEMPOOL_STATS
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/** Total number of items allocated ever. */
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uint64_t total_items_allocated;
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/** Total number of chunks allocated ever. */
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uint64_t total_chunks_allocated;
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/** Total number of chunks freed ever. */
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uint64_t total_chunks_freed;
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#endif
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};
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#endif
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