pd.if.org Git - liblfds/blob - liblfds/liblfds6.1.0/liblfds610/src/lfds610_queue/lfds610_queue_delete.c

   1 #include "lfds610_queue_internal.h"
   2
   3
   4
   5
   6
   7 /****************************************************************************/
   8 void lfds610_queue_delete( struct lfds610_queue_state *qs, void (*user_data_delete_function)(void *user_data, void *user_state), void *user_state )
   9 {
  10   void
  11     *user_data;
  12
  13   assert( qs != NULL );
  14   // TRD : user_data_delete_function can be NULL
  15   // TRD : user_state can be NULL
  16
  17   // TRD : leading load barrier not required as it will be performed by the dequeue
  18
  19   while( lfds610_queue_dequeue(qs, &user_data) )
  20     if( user_data_delete_function != NULL )
  21       user_data_delete_function( user_data, user_state );
  22
  23   /* TRD : fully dequeuing will leave us
  24            with a single dummy element
  25            which both qs->enqueue and qs->dequeue point at
  26            we push this back onto the lfds610_freelist
  27            before we delete the lfds610_freelist
  28   */
  29
  30   lfds610_freelist_push( qs->fs, qs->enqueue[LFDS610_QUEUE_POINTER]->fe );
  31
  32   lfds610_freelist_delete( qs->fs, lfds610_queue_internal_freelist_delete_function, NULL );
  33
  34   lfds610_liblfds_aligned_free( qs );
  35
  36   return;
  37 }
  38
  39
  40
  41
  42
  43 /****************************************************************************/
  44 #pragma warning( disable : 4100 )
  45
  46 void lfds610_queue_internal_freelist_delete_function( void *user_data, void *user_state )
  47 {
  48   assert( user_data != NULL );
  49   assert( user_state == NULL );
  50
  51   lfds610_liblfds_aligned_free( user_data );
  52
  53   return;
  54 }
  55
  56 #pragma warning( default : 4100 )
  57