src/gmxlib/selection/mempool.h

   1 /*
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  31 /*! \internal \file
  32  * \brief Declarations for memory pooling functions.
  33  *
  34  * This is an implementation header: there should be no need to use it outside
  35  * this directory.
  36  */
  37 #ifndef GMX_SELECTION_MEMPOOL_H
  38 #define GMX_SELECTION_MEMPOOL_H
  39
  40 struct gmx_ana_index_t;
  41
  42 typedef struct gmx_sel_mempool_t gmx_sel_mempool_t;
  43
  44 /** Create an empty memory pool. */
  45 int
  46 _gmx_sel_mempool_create(gmx_sel_mempool_t **mpp);
  47 /** Destroy a memory pool. */
  48 void
  49 _gmx_sel_mempool_destroy(gmx_sel_mempool_t *mp);
  50
  51 /** Allocate memory from a memory pool. */
  52 int
  53 _gmx_sel_mempool_alloc(gmx_sel_mempool_t *mp, void **ptrp, size_t size);
  54 /** Release memory allocated from a memory pool. */
  55 void
  56 _gmx_sel_mempool_free(gmx_sel_mempool_t *mp, void *ptr);
  57 /** Set the size of a memory pool. */
  58 int
  59 _gmx_sel_mempool_reserve(gmx_sel_mempool_t *mp, size_t size);
  60
  61 /** Convenience function for allocating an index group from a memory pool. */
  62 int
  63 _gmx_sel_mempool_alloc_group(gmx_sel_mempool_t *mp, struct gmx_ana_index_t *g,
  64                              int isize);
  65
  66 #endif