src/gromacs/selection/mempool.h

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  35 /*! \internal \file
  36  * \brief Declarations for memory pooling functions.
  37  *
  38  * \todo
  39  * Document these functions.
  40  *
  41  * This is an implementation header: there should be no need to use it outside
  42  * this directory.
  43  *
  44  * \author Teemu Murtola <teemu.murtola@gmail.com>
  45  * \ingroup module_selection
  46  */
  47 #ifndef GMX_SELECTION_MEMPOOL_H
  48 #define GMX_SELECTION_MEMPOOL_H
  49
  50 #include <cstddef>
  51
  52 struct gmx_ana_index_t;
  53
  54 /** Opaque struct for memory pooling. */
  55 typedef struct gmx_sel_mempool_t gmx_sel_mempool_t;
  56
  57 /** Create an empty memory pool. */
  58 gmx_sel_mempool_t *
  59 _gmx_sel_mempool_create();
  60 /** Destroy a memory pool. */
  61 void
  62 _gmx_sel_mempool_destroy(gmx_sel_mempool_t *mp);
  63
  64 /** Allocate memory from a memory pool. */
  65 void *
  66 _gmx_sel_mempool_alloc(gmx_sel_mempool_t *mp, size_t size);
  67 /** Release memory allocated from a memory pool. */
  68 void
  69 _gmx_sel_mempool_free(gmx_sel_mempool_t *mp, void *ptr);
  70 /** Set the size of a memory pool. */
  71 void
  72 _gmx_sel_mempool_reserve(gmx_sel_mempool_t *mp, size_t size);
  73
  74 /** Convenience function for allocating an index group from a memory pool. */
  75 void
  76 _gmx_sel_mempool_alloc_group(gmx_sel_mempool_t *mp, struct gmx_ana_index_t *g,
  77                              int isize);
  78 /** Convenience function for freeing an index group from a memory pool. */
  79 void
  80 _gmx_sel_mempool_free_group(gmx_sel_mempool_t *mp, struct gmx_ana_index_t *g);
  81
  82 #endif