67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
|
/*
|
||
|
|
Copyright (c) 2009, 2013, 2018 Genome Research Ltd.
|
||
|
|
Author: Rob Davies <rmd@sanger.ac.uk>
|
||
|
|
|
||
|
|
Redistribution and use in source and binary forms, with or without
|
||
|
|
modification, are permitted provided that the following conditions are met:
|
||
|
|
|
||
|
|
1. Redistributions of source code must retain the above copyright notice,
|
||
|
|
this list of conditions and the following disclaimer.
|
||
|
|
|
||
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
||
|
|
this list of conditions and the following disclaimer in the documentation
|
||
|
|
and/or other materials provided with the distribution.
|
||
|
|
|
||
|
|
3. Neither the names Genome Research Ltd and Wellcome Trust Sanger
|
||
|
|
Institute nor the names of its contributors may be used to endorse or promote
|
||
|
|
products derived from this software without specific prior written permission.
|
||
|
|
|
||
|
|
THIS SOFTWARE IS PROVIDED BY GENOME RESEARCH LTD AND CONTRIBUTORS "AS IS" AND
|
||
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
DISCLAIMED. IN NO EVENT SHALL GENOME RESEARCH LTD OR CONTRIBUTORS BE LIABLE
|
||
|
|
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef POOLED_ALLOC_H
|
||
|
|
#define POOLED_ALLOC_H
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Implements a pooled block allocator where all items are the same size,
|
||
|
|
* but we need many of them.
|
||
|
|
*/
|
||
|
|
typedef struct {
|
||
|
|
void *pool;
|
||
|
|
size_t used;
|
||
|
|
} pool_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
size_t dsize;
|
||
|
|
size_t psize;
|
||
|
|
size_t npools;
|
||
|
|
pool_t *pools;
|
||
|
|
void *free;
|
||
|
|
} pool_alloc_t;
|
||
|
|
|
||
|
|
pool_alloc_t *pool_create(size_t dsize);
|
||
|
|
void pool_destroy(pool_alloc_t *p);
|
||
|
|
void *pool_alloc(pool_alloc_t *p);
|
||
|
|
void pool_free(pool_alloc_t *p, void *ptr);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* POOLED_ALLOC_H */
|