pd.if.org Git - liblfds/blob - liblfds/liblfds7.0.0/liblfds700/src/lfds700_misc/lfds700_misc_query.c

   1 /***** includes *****/
   2 #include "lfds700_misc_internal.h"
   3
   4
   5
   6
   7
   8 /****************************************************************************/
   9 void lfds700_misc_query( enum lfds700_misc_query query_type, void *query_input, void *query_output )
  10 {
  11   // TRD : query type can be any value in its range
  12   // TRD : query_input can be NULL in some cases
  13   // TRD : query_outputput can be NULL in some cases
  14
  15   switch( query_type )
  16   {
  17     case LFDS700_MISC_QUERY_GET_EXPONENTIAL_BACKOFF_TIMESLOT_LENGTH_IN_LOOP_ITERATIONS_FOR_CAS:
  18       *(lfds700_pal_atom_t *) query_output = lfds700_misc_globals.exponential_backoff_timeslot_length_in_loop_iterations_for_cas;
  19     break;
  20
  21     case LFDS700_MISC_QUERY_SET_EXPONENTIAL_BACKOFF_TIMESLOT_LENGTH_IN_LOOP_ITERATIONS_FOR_CAS:
  22       LFDS700_PAL_ATOMIC_EXCHANGE( &lfds700_misc_globals.exponential_backoff_timeslot_length_in_loop_iterations_for_cas, (lfds700_pal_atom_t *) query_input );
  23     break;
  24
  25     case LFDS700_MISC_QUERY_GET_EXPONENTIAL_BACKOFF_TIMESLOT_LENGTH_IN_LOOP_ITERATIONS_FOR_DWCAS:
  26       *(lfds700_pal_atom_t *) query_output = lfds700_misc_globals.exponential_backoff_timeslot_length_in_loop_iterations_for_dwcas;
  27     break;
  28
  29     case LFDS700_MISC_QUERY_SET_EXPONENTIAL_BACKOFF_TIMESLOT_LENGTH_IN_LOOP_ITERATIONS_FOR_DWCAS:
  30       LFDS700_PAL_ATOMIC_EXCHANGE( &lfds700_misc_globals.exponential_backoff_timeslot_length_in_loop_iterations_for_dwcas, (lfds700_pal_atom_t *) query_input );
  31     break;
  32
  33     case LFDS700_MISC_QUERY_GET_BUILD_AND_VERSION_STRING:
  34     {
  35       char static const
  36         * const build_and_version_string = "liblfds " LFDS700_MISC_VERSION_STRING " (" BUILD_TYPE_STRING ", " LFDS700_PAL_OS_STRING ", " MODE_TYPE_STRING ", " LFDS700_PAL_PROCESSOR_STRING ", " LFDS700_PAL_COMPILER_STRING ")";
  37
  38       LFDS700_PAL_ASSERT( query_input == NULL );
  39       LFDS700_PAL_ASSERT( query_output != NULL );
  40
  41       *(char const **) query_output = build_and_version_string;
  42     }
  43     break;
  44   }
  45
  46   return;
  47 }
  48