Example #1
0
static BBProp 
PutIntBBProp(Int key, Term mod USES_REGS)	/* get BBentry for at; */
{
  Prop          p0;
  BBProp        p;
  UInt hash_key;

  if (INT_BB_KEYS == NULL) {
    INT_BB_KEYS = (Prop *)Yap_AllocCodeSpace(sizeof(Prop)*INT_BB_KEYS_SIZE);
    if (INT_BB_KEYS != NULL) {
      UInt i = 0;
      Prop *pp = INT_BB_KEYS;
      for (i = 0; i < INT_BB_KEYS_SIZE; i++) {
	pp[0] = NIL;
	pp++;
      }
    } else {
      Yap_Error(OUT_OF_HEAP_ERROR,ARG1,"could not allocate space in bb_put/2");
      return(NULL);
    }
  }
  hash_key = (CELL)key % INT_BB_KEYS_SIZE;
  p0 = INT_BB_KEYS[hash_key];
  p = RepBBProp(p0);
  while (p0 != NIL && (!IsBBProperty(p->KindOfPE) ||
		       key != (Int)(p->KeyOfBB) ||
		(p->ModuleOfBB != mod))) {
    p = RepBBProp(p0 = p->NextOfPE);
  }
  if (p0 == NIL) {
    YAPEnterCriticalSection();
    p = (BBProp)Yap_AllocAtomSpace(sizeof(*p));
    if (p == NULL) {
      YAPLeaveCriticalSection();
      Yap_Error(OUT_OF_HEAP_ERROR,ARG1,"could not allocate space in bb_put/2");
      return(NULL);
    }
    p->ModuleOfBB = mod;
    p->Element = 0L;
    p->KeyOfBB = (Atom)key;
    p->KindOfPE = BBProperty;
    p->NextOfPE = INT_BB_KEYS[hash_key];
    INT_BB_KEYS[hash_key] = AbsBBProp(p);
    YAPLeaveCriticalSection();
  }
  return (p);
}
Example #2
0
static void
atom_gc(void)
{
  int		gc_verbose = Yap_is_gc_verbose();
  int           gc_trace = 0;
  

  UInt		time_start, agc_time;
#if  defined(YAPOR) || defined(THREADS)
  return;
#endif
  if (Yap_GetValue(AtomGcTrace) != TermNil)
    gc_trace = 1;

  agc_calls++;
  agc_collected = 0;
  
  if (gc_trace) {
    fprintf(Yap_stderr, "%% agc:\n");
  } else if (gc_verbose) {
    fprintf(Yap_stderr, "%%   Start of atom garbage collection %d:\n", agc_calls);
  }
  time_start = Yap_cputime();
  /* get the number of active registers */
  YAPEnterCriticalSection();
  init_reg_copies();
  mark_stacks();
  restore_codes();
  clean_atoms();
  AGcLastCall = NOfAtoms;
  YAPLeaveCriticalSection();
  agc_time = Yap_cputime()-time_start;
  tot_agc_time += agc_time;
  tot_agc_recovered += agc_collected;
  if (gc_verbose) {
#ifdef _WIN32
    fprintf(Yap_stderr, "%%   Collected %I64d bytes.\n", agc_collected);
#else
    fprintf(Yap_stderr, "%%   Collected %lld bytes.\n", agc_collected);
#endif
    fprintf(Yap_stderr, "%%   GC %d took %g sec, total of %g sec doing GC so far.\n", agc_calls, (double)agc_time/1000, (double)tot_agc_time/1000);
  }
}