ucx: ucx/mempool.h@621a4430c404

map can now load values from file into pooled memory

use with care when using a decoder that also allocates memory

     1 /*

     2  *

     3  */

     5 #ifndef MPOOL_H

     6 #define	MPOOL_H

     8 #include <stddef.h>

    10 #ifdef	__cplusplus

    11 extern "C" {

    12 #endif

    14 typedef void(*ucx_destructor)(void*);

    16 typedef struct {

    17     void   **data;

    18     size_t ndata;

    19     size_t size;

    20 } UcxMempool;

    22 typedef void*(*ucx_allocator_malloc)(UcxMempool *pool, size_t n);

    23 typedef void*(*ucx_allocator_calloc)(UcxMempool *pool, size_t n, size_t size);

    24 typedef void*(*ucx_allocator_realloc)(UcxMempool *pool, void *data, size_t n);

    26 typedef struct {

    27     UcxMempool *pool;

    28     ucx_allocator_malloc malloc;

    29     ucx_allocator_calloc calloc;

    30     ucx_allocator_realloc realloc;

    31 } UcxAllocator;

    33 #define UCX_ALLOCATOR_DEFAULT {NULL, \

    34     ucx_default_malloc, ucx_default_calloc, ucx_default_realloc}

    35 #define UCX_ALLOCATOR_MEMPOOL(pool) {pool, \

    36     ucx_mempool_malloc, ucx_mempool_calloc, ucx_mempool_realloc}

    38 void *ucx_default_malloc(UcxMempool *ignore, size_t n);

    39 void *ucx_default_calloc(UcxMempool *ignore, size_t n, size_t size);

    40 void *ucx_default_realloc(UcxMempool *ignore, void *data, size_t n);

    42 #define ucx_mempool_new_default() ucx_mempool_new(16)

    43 UcxMempool *ucx_mempool_new(size_t n);

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

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

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

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

    50 void ucx_mempool_free(UcxMempool *pool);

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

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

    56 #ifdef	__cplusplus

    57 }

    58 #endif

    60 #endif	/* MPOOL_H */

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