pd.if.org Git - liblfds/blob - liblfds/liblfds7.0.0/liblfds700/src/lfds700_hash_addonly/lfds700_hash_addonly_init.c

   1 /***** includes *****/
   2 #include "lfds700_hash_addonly_internal.h"
   3
   4
   5
   6
   7
   8 /****************************************************************************/
   9 void lfds700_hash_a_init_valid_on_current_logical_core( struct lfds700_hash_a_state *has,
  10                           struct lfds700_btree_au_state *baus_array,
  11                           lfds700_pal_uint_t array_size,
  12                           int (*key_compare_function)(void const *new_key, void const *existing_key),
  13                           void (*key_hash_function)(void const *key, lfds700_pal_uint_t *hash),
  14                           enum lfds700_hash_a_existing_key existing_key,
  15                           void *user_state )
  16 {
  17   enum lfds700_btree_au_existing_key
  18     btree_au_existing_key = LFDS700_BTREE_AU_EXISTING_KEY_OVERWRITE; // TRD : for compiler warning
  19
  20   lfds700_pal_uint_t
  21     loop;
  22
  23   LFDS700_PAL_ASSERT( has != NULL );
  24   LFDS700_PAL_ASSERT( baus_array != NULL );
  25   LFDS700_PAL_ASSERT( array_size > 0 );
  26   LFDS700_PAL_ASSERT( key_compare_function != NULL );
  27   LFDS700_PAL_ASSERT( key_hash_function != NULL );
  28   // TRD : existing_key can be any value in its range
  29   // TRD : user_state can be NULL
  30
  31   has->array_size = array_size;
  32   has->key_compare_function = key_compare_function;
  33   has->key_hash_function = key_hash_function;
  34   has->existing_key = existing_key;
  35   has->baus_array = baus_array;
  36   has->user_state = user_state;
  37
  38   if( has->existing_key == LFDS700_HASH_A_EXISTING_KEY_OVERWRITE )
  39     btree_au_existing_key = LFDS700_BTREE_AU_EXISTING_KEY_OVERWRITE;
  40
  41   if( has->existing_key == LFDS700_HASH_A_EXISTING_KEY_FAIL )
  42     btree_au_existing_key = LFDS700_BTREE_AU_EXISTING_KEY_FAIL;
  43
  44   // TRD : since the addonly_hash atomic counts, if that flag is set, the btree_addonly_unbalanceds don't have to
  45   for( loop = 0 ; loop < array_size ; loop++ )
  46     lfds700_btree_au_init_valid_on_current_logical_core( has->baus_array+loop, key_compare_function, btree_au_existing_key, user_state );
  47
  48   LFDS700_MISC_BARRIER_STORE;
  49
  50   lfds700_misc_force_store();
  51
  52   return;
  53 }
  54