ucx: src/cx/basic_mempool.h@72a440c437e9

     1 /*

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

     3  *

     4  * Copyright 2021 Mike Becker, 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  */

    28 /**

    29  * \file basic_mempool.h

    30  * \brief Implementation of a basic memory pool.

    31  * \author Mike Becker

    32  * \author Olaf Wintermann

    33  * \version 3.0

    34  * \copyright 2-Clause BSD License

    35  */

    37 #ifndef UCX_BASIC_MEMPOOL_H

    38 #define UCX_BASIC_MEMPOOL_H

    40 #include "mempool.h"

    42 #ifdef __cplusplus

    43 extern "C" {

    44 #endif

    46 /**

    47  * Basic array-based memory pool.

    48  */

    49 struct cx_basic_mempool_s {

    50     /** Inherit base structure members. */

    51     CxMempool base;

    53     /** List of pointers to pooled memory. */

    54     void **data;

    56     /** Number of pooled memory items. */

    57     size_t ndata;

    59     /** Memory pool size. */

    60     size_t size;

    61 };

    63 /**

    64  * Creates a basic array-based memory pool.

    65  *

    66  * @param capacity the initial capacity of the pool

    67  * @return the created memory pool or \c NULL if allocation failed

    68  */

    69 __attribute__((__warn_unused_result__))

    70 CxMempool *cxBasicMempoolCreate(size_t capacity);

    72 #ifdef __cplusplus

    73 } // extern "C"

    74 #endif

    76 #endif // UCX_BASIC_MEMPOOL_H

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