src/server/ucx/mempool.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 Olaf Wintermann. All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT HOLDER 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 MPOOL_H
#define	MPOOL_H

#include "ucx.h"
#include <stddef.h>
#include "allocator.h"

#ifdef	__cplusplus
extern "C" {
#endif

typedef void(*ucx_destructor)(void*);

typedef struct {
    void   **data;
    size_t ndata;
    size_t size;
} UcxMempool;

#define UCX_ALLOCATOR_MEMPOOL(pool) {pool, \
    (ucx_allocator_malloc) ucx_mempool_malloc, \
    (ucx_allocator_calloc) ucx_mempool_calloc, \
    (ucx_allocator_realloc) ucx_mempool_realloc}

#define ucx_mempool_new_default() ucx_mempool_new(16)
UcxMempool *ucx_mempool_new(size_t n);
int ucx_mempool_chcap(UcxMempool *pool, size_t newcap);

void *ucx_mempool_malloc(UcxMempool *pool, size_t n);
void *ucx_mempool_calloc(UcxMempool *pool, size_t nelem, size_t elsize);
void *ucx_mempool_realloc(UcxMempool *pool, void *ptr, size_t n);

void ucx_mempool_free(UcxMempool *pool);

void ucx_mempool_set_destr(void *ptr, ucx_destructor func);
void ucx_mempool_reg_destr(UcxMempool *pool, void *ptr, ucx_destructor destr);


#ifdef	__cplusplus
}
#endif

#endif	/* MPOOL_H */