xref: /third_party/eudev/src/shared/mempool.h (revision 99ca880a)
199ca880aSopenharmony_ci/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
299ca880aSopenharmony_ci
399ca880aSopenharmony_ci#pragma once
499ca880aSopenharmony_ci
599ca880aSopenharmony_ci/***
699ca880aSopenharmony_ci  This file is part of systemd.
799ca880aSopenharmony_ci
899ca880aSopenharmony_ci  Copyright 2011-2014 Lennart Poettering
999ca880aSopenharmony_ci  Copyright 2014 Michal Schmidt
1099ca880aSopenharmony_ci
1199ca880aSopenharmony_ci  systemd is free software; you can redistribute it and/or modify it
1299ca880aSopenharmony_ci  under the terms of the GNU Lesser General Public License as published by
1399ca880aSopenharmony_ci  the Free Software Foundation; either version 2.1 of the License, or
1499ca880aSopenharmony_ci  (at your option) any later version.
1599ca880aSopenharmony_ci
1699ca880aSopenharmony_ci  systemd is distributed in the hope that it will be useful, but
1799ca880aSopenharmony_ci  WITHOUT ANY WARRANTY; without even the implied warranty of
1899ca880aSopenharmony_ci  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1999ca880aSopenharmony_ci  Lesser General Public License for more details.
2099ca880aSopenharmony_ci
2199ca880aSopenharmony_ci  You should have received a copy of the GNU Lesser General Public License
2299ca880aSopenharmony_ci  along with systemd; If not, see <http://www.gnu.org/licenses/>.
2399ca880aSopenharmony_ci***/
2499ca880aSopenharmony_ci
2599ca880aSopenharmony_ci#include <stddef.h>
2699ca880aSopenharmony_ci
2799ca880aSopenharmony_cistruct pool;
2899ca880aSopenharmony_ci
2999ca880aSopenharmony_cistruct mempool {
3099ca880aSopenharmony_ci        struct pool *first_pool;
3199ca880aSopenharmony_ci        void *freelist;
3299ca880aSopenharmony_ci        size_t tile_size;
3399ca880aSopenharmony_ci        unsigned at_least;
3499ca880aSopenharmony_ci};
3599ca880aSopenharmony_ci
3699ca880aSopenharmony_civoid* mempool_alloc_tile(struct mempool *mp);
3799ca880aSopenharmony_civoid* mempool_alloc0_tile(struct mempool *mp);
3899ca880aSopenharmony_civoid mempool_free_tile(struct mempool *mp, void *p);
3999ca880aSopenharmony_ci
4099ca880aSopenharmony_ci#define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \
4199ca880aSopenharmony_cistruct mempool pool_name = { \
4299ca880aSopenharmony_ci        .tile_size = sizeof(tile_type), \
4399ca880aSopenharmony_ci        .at_least = alloc_at_least, \
4499ca880aSopenharmony_ci}
4599ca880aSopenharmony_ci
4699ca880aSopenharmony_ci
4799ca880aSopenharmony_ci#ifdef VALGRIND
4899ca880aSopenharmony_civoid mempool_drop(struct mempool *mp);
4999ca880aSopenharmony_ci#endif
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