Exemplo n.º 1
0
static mps_word_t make_indirect_cons(mps_word_t car, mps_word_t cdr,
                                     mps_ap_t ap)
{
    mps_word_t cons, indirect;
    die(make_dylan_vector(&indirect, ap, 1), "make_dylan_vector");
    DYLAN_VECTOR_SLOT(indirect, 0) = DYLAN_INT(object_count);
    die(make_dylan_vector(&cons, ap, 3), "make_dylan_vector");
    DYLAN_VECTOR_SLOT(cons, 0) = car;
    DYLAN_VECTOR_SLOT(cons, 1) = cdr;
    DYLAN_VECTOR_SLOT(cons, 2) = indirect;
    ++ object_count;
    return cons;
}
Exemplo n.º 2
0
D c_primitive_stop_timer()
{
  getrusage(RUSAGE_SELF, &stop);

  stop.ru_utime.tv_usec -= start.ru_utime.tv_usec;
  stop.ru_utime.tv_sec -= start.ru_utime.tv_sec;

  if (stop.ru_utime.tv_usec < 0) {
    stop.ru_utime.tv_usec += 1000000;
    stop.ru_utime.tv_sec -= 1;
  }

  {
    SOV* value = make_dylan_vector(2);
    D* data = (D*)vector_data(value);
    data[0] = I(stop.ru_utime.tv_sec);
    data[1] = I(stop.ru_utime.tv_usec);
    return((D)value);
  }
}
Exemplo n.º 3
0
static obj_t mkvector(mps_ap_t ap, size_t n) {
  mps_word_t v;
  RESMUST(make_dylan_vector(&v, ap, n));
  return v;
}
Exemplo n.º 4
0
static void *testscriptB(void *arg, size_t s)
{
  trampDataStruct trampData;
  mps_arena_t arena;
  mps_thr_t thr;
  const char *script;
  mps_fmt_t fmt;
  mps_chain_t chain;
  mps_pool_t amc;
  mps_root_t root_table;
  mps_ap_t ap;
  mps_root_t root_stackreg;
  size_t i;
  int N = myrootCOUNT - 1;
  void *stack_starts_here;  /* stack scanning starts here */

  Insist(s == sizeof(trampDataStruct));
  trampData = *(trampDataStruct*)arg;
  arena = trampData.arena;
  thr = trampData.thr;
  script = trampData.script;

  die(mps_fmt_create_A(&fmt, arena, dylan_fmt_A()), "fmt_create");
  die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
  die(mps_pool_create(&amc, arena, mps_class_amc(), fmt, chain),
      "pool_create amc");
  for(i = 0; i < myrootCOUNT; ++i) {
    myroot[i] = NULL;
  }
  die(mps_root_create_table(&root_table, arena, mps_rank_exact(), (mps_rm_t)0,
                            myroot, (size_t)myrootCOUNT),
      "root_create");
  die(mps_ap_create(&ap, amc, mps_rank_exact()), "ap_create");
  
  /* root_stackreg: stack & registers are ambiguous roots = mutator's workspace */
  die(mps_root_create_reg(&root_stackreg, arena,
                          mps_rank_ambig(), (mps_rm_t)0, thr,
                          mps_stack_scan_ambig, &stack_starts_here, 0),
      "root_stackreg");

  /* Make myrootCOUNT registered-for-finalization objects. */
  /* Each is a dylan vector with 2 slots, inited to: (index, NULL) */
  for(i = 0; i < myrootCOUNT; ++i) {
    mps_word_t v;
    mps_addr_t v_ref;
    die(make_dylan_vector(&v, ap, 2), "make_dylan_vector");
    DYLAN_VECTOR_SLOT(v, 0) = DYLAN_INT(i);
    DYLAN_VECTOR_SLOT(v, 1) = (mps_word_t)NULL;
    v_ref = (mps_addr_t)v;
    die(mps_finalize(arena, &v_ref), "finalize");
    myroot[i] = (void*)v;
    state[i] = rootSTATE;
  }
  
  /* .keep-alive: Create some additional inter-object references.
   *
   * 1 and N-1 don't die until myroot refs to both have been nulled.
   *
   * 2 and 3 don't die until myroot refs to both have been nulled.
   *
   * We do this to check that reachability via non-root refs prevents 
   * finalization.
   */

  /* Leave 0 and N containing NULL refs */
  
  /* Make 1 and N-1 refer to each other */
  DYLAN_VECTOR_SLOT(myroot[1]  , 1) = (mps_word_t)myroot[N-1];
  DYLAN_VECTOR_SLOT(myroot[N-1], 1) = (mps_word_t)myroot[1];

  /* Make 2 and 3 refer to each other */
  DYLAN_VECTOR_SLOT(myroot[2], 1) = (mps_word_t)myroot[3];
  DYLAN_VECTOR_SLOT(myroot[3], 1) = (mps_word_t)myroot[2];

  /* Stop stack scanning, otherwise stack or register dross from */
  /* these setup functions can cause unwanted object retention, */
  /* which would mean we don't get the finalization messages we */
  /* expect. */
  mps_root_destroy(root_stackreg);

  mps_message_type_enable(arena, mps_message_type_gc_start());
  mps_message_type_enable(arena, mps_message_type_gc());
  mps_message_type_enable(arena, mps_message_type_finalization());

  testscriptC(arena, script);

  mps_ap_destroy(ap);
  mps_root_destroy(root_table);
  mps_pool_destroy(amc);
  mps_chain_destroy(chain);
  mps_fmt_destroy(fmt);

  return NULL;
}