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include/boost/container/detail/alloc_lib.h  view on Meta::CPAN

      boost_cont_memchain *____chain____ = (PMEMCHAIN);\
      boost_cont_memchain_node *____prev_node____  = &____chain____->root_node;\
      boost_cont_memchain_node *____erase_node____ = ____prev_node____->next_node_ptr;\
      if(____chain____->last_node_ptr == ____erase_node____){\
         ____chain____->last_node_ptr = &____chain____->root_node;\
      }\
      ____prev_node____->next_node_ptr = ____erase_node____->next_node_ptr;\
      --____chain____->num_mem;\
   }while(0)\
/**/

/*!Joins two memory chains inserting the portions of the second chain at the back of the first chain*/
/*
#define BOOST_CONTAINER_MEMCHAIN_SPLICE_BACK(PMEMCHAIN, PMEMCHAIN2)\
   do{\
      boost_cont_memchain *____chain____  = (PMEMCHAIN);\
      boost_cont_memchain *____chain2____ = (PMEMCHAIN2);\
      if(!____chain2____->root_node.next_node_ptr){\
         break;\
      }\
      else if(!____chain____->first_mem){\
         ____chain____->first_mem  = ____chain2____->first_mem;\
         ____chain____->last_node_ptr = ____chain2____->last_node_ptr;\
         ____chain____->num_mem  = ____chain2____->num_mem;\
         BOOST_CONTAINER_MEMCHAIN_INIT(*____chain2____);\
      }\
      else{\
         ____chain____->last_node_ptr->next_node_ptr = ____chain2____->first_mem;\
         ____chain____->last_node_ptr = ____chain2____->last_node_ptr;\
         ____chain____->num_mem += ____chain2____->num_mem;\
      }\
   }while(0)\*/
/**/

/*!Joins two memory chains inserting the portions of the second chain at the back of the first chain*/
#define BOOST_CONTAINER_MEMCHAIN_INCORPORATE_AFTER(PMEMCHAIN, BEFORE_IT, FIRST, BEFORELAST, NUM)\
   do{\
      boost_cont_memchain *____chain____  = (PMEMCHAIN);\
      boost_cont_memchain_node *____pnode____  = (BEFORE_IT).node_ptr;\
      boost_cont_memchain_node *____next____   = ____pnode____->next_node_ptr;\
      boost_cont_memchain_node *____first____  = (boost_cont_memchain_node *)(FIRST);\
      boost_cont_memchain_node *____blast____  = (boost_cont_memchain_node *)(BEFORELAST);\
      size_t ____num____ = (NUM);\
      if(!____num____){\
         break;\
      }\
      if(____pnode____ == ____chain____->last_node_ptr){\
         ____chain____->last_node_ptr = ____blast____;\
      }\
      ____pnode____->next_node_ptr  = ____first____;\
      ____blast____->next_node_ptr  = ____next____;\
      ____chain____->num_mem  += ____num____;\
   }while(0)\
/**/

/*!Indicates the all elements allocated by boost_cont_multialloc_nodes or boost_cont_multialloc_arrays
   must be contiguous.*/
#define DL_MULTIALLOC_ALL_CONTIGUOUS        ((size_t)(-1))

/*!Indicates the number of contiguous elements allocated by boost_cont_multialloc_nodes or boost_cont_multialloc_arrays
   should be selected by those functions.*/
#define DL_MULTIALLOC_DEFAULT_CONTIGUOUS    ((size_t)(0))

typedef struct boost_cont_malloc_stats_impl
{
   size_t max_system_bytes;
   size_t system_bytes;
   size_t in_use_bytes;
} boost_cont_malloc_stats_t;

typedef unsigned int allocation_type;

enum
{
   // constants for allocation commands
   BOOST_CONTAINER_ALLOCATE_NEW          = 0X01,
   BOOST_CONTAINER_EXPAND_FWD            = 0X02,
   BOOST_CONTAINER_EXPAND_BWD            = 0X04,
   BOOST_CONTAINER_SHRINK_IN_PLACE       = 0X08,
   BOOST_CONTAINER_NOTHROW_ALLOCATION    = 0X10,
//   BOOST_CONTAINER_ZERO_MEMORY           = 0X20,
   BOOST_CONTAINER_TRY_SHRINK_IN_PLACE   = 0X40,
   BOOST_CONTAINER_EXPAND_BOTH           = BOOST_CONTAINER_EXPAND_FWD | BOOST_CONTAINER_EXPAND_BWD,
   BOOST_CONTAINER_EXPAND_OR_NEW         = BOOST_CONTAINER_ALLOCATE_NEW | BOOST_CONTAINER_EXPAND_BOTH
};

//#define BOOST_CONTAINERDLMALLOC__FOOTERS
#ifndef BOOST_CONTAINERDLMALLOC__FOOTERS
enum {   BOOST_CONTAINER_ALLOCATION_PAYLOAD = sizeof(size_t)   };
#else
enum {   BOOST_CONTAINER_ALLOCATION_PAYLOAD = sizeof(size_t)*2   };
#endif

typedef struct boost_cont_command_ret_impl
{
   void *first;
   int   second;
}boost_cont_command_ret_t;

size_t boost_cont_size(const void *p);

void* boost_cont_malloc(size_t bytes);

void  boost_cont_free(void* mem);

void* boost_cont_memalign(size_t bytes, size_t alignment);

int boost_cont_multialloc_nodes
   (size_t n_elements, size_t elem_size, size_t contiguous_elements, boost_cont_memchain *pchain);

int boost_cont_multialloc_arrays
   (size_t n_elements, const size_t *sizes, size_t sizeof_element, size_t contiguous_elements, boost_cont_memchain *pchain);

void boost_cont_multidealloc(boost_cont_memchain *pchain);

size_t boost_cont_footprint();

size_t boost_cont_allocated_memory();

size_t boost_cont_chunksize(const void *p);