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https://github.com/morgan9e/systemd
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The function internally does caching which means that the result must always be the same, the definition of a pure function. The compiler might be able to optimize some repeated calls to the function.
28 lines
648 B
C
28 lines
648 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include "basic-forward.h"
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struct pool;
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struct mempool {
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struct pool *first_pool;
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void *freelist;
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size_t tile_size;
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size_t at_least;
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};
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void* mempool_alloc_tile(struct mempool *mp);
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void* mempool_alloc0_tile(struct mempool *mp);
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void* mempool_free_tile(struct mempool *mp, void *p);
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#define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \
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static struct mempool pool_name = { \
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.tile_size = sizeof(tile_type), \
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.at_least = alloc_at_least, \
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}
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bool mempool_enabled(void) _weak_ _pure_;
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void mempool_trim(struct mempool *mp);
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