ucx: ucx/mempool.h@08018864fb91

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  *

     4  * Copyright 2013 Olaf Wintermann. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions are met:

     8  *

     9  *   1. Redistributions of source code must retain the above copyright

    10  *      notice, this list of conditions and the following disclaimer.

    11  *

    12  *   2. Redistributions in binary form must reproduce the above copyright

    13  *      notice, this list of conditions and the following disclaimer in the

    14  *      documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    26  * POSSIBILITY OF SUCH DAMAGE.

    27  */

    29 #ifndef MPOOL_H

    30 #define	MPOOL_H

    32 #include "ucx.h"

    33 #include <stddef.h>

    34 #include "allocator.h"

    36 #ifdef	__cplusplus

    37 extern "C" {

    38 #endif

    40 typedef void(*ucx_destructor)(void*);

    42 typedef struct {

    43     void   **data;

    44     size_t ndata;

    45     size_t size;

    46 } UcxMempool;

    48 #define UCX_ALLOCATOR_MEMPOOL(pool) {pool, \

    49     (ucx_allocator_malloc) ucx_mempool_malloc, \

    50     (ucx_allocator_calloc) ucx_mempool_calloc, \

    51     (ucx_allocator_realloc) ucx_mempool_realloc}

    53 #define ucx_mempool_new_default() ucx_mempool_new(16)

    54 UcxMempool *ucx_mempool_new(size_t n);

    55 int ucx_mempool_chcap(UcxMempool *pool, size_t newcap);

    57 void *ucx_mempool_malloc(UcxMempool *pool, size_t n);

    58 void *ucx_mempool_calloc(UcxMempool *pool, size_t nelem, size_t elsize);

    59 void *ucx_mempool_realloc(UcxMempool *pool, void *ptr, size_t n);

    61 void ucx_mempool_free(UcxMempool *pool);

    63 void ucx_mempool_set_destr(void *ptr, ucx_destructor func);

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

    67 #ifdef	__cplusplus

    68 }

    69 #endif

    71 #endif	/* MPOOL_H */

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