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);
}
}
static void
thread_die(int wid, int always_die)
{
#ifdef TABLING
CACHE_REGS
tab_ent_ptr tab_ent;
tab_ent = GLOBAL_root_tab_ent;
while (tab_ent) {
abolish_table(tab_ent);
tab_ent = TabEnt_next(tab_ent);
}
FREE_DEPENDENCY_FRAME(LOCAL_top_dep_fr);
LOCAL_top_dep_fr = NULL;
#ifdef USE_PAGES_MALLOC
DETACH_PAGES(_pages_void);
#endif /* USE_PAGES_MALLOC */
DETACH_PAGES(_pages_tab_ent);
#if defined(THREADS_FULL_SHARING) || defined(THREADS_CONSUMER_SHARING)
DETACH_PAGES(_pages_sg_ent);
#endif /* THREADS_FULL_SHARING || THREADS_CONSUMER_SHARING */
DETACH_PAGES(_pages_sg_fr);
DETACH_PAGES(_pages_dep_fr);
DETACH_PAGES(_pages_sg_node);
DETACH_PAGES(_pages_sg_hash);
DETACH_PAGES(_pages_ans_node);
DETACH_PAGES(_pages_ans_hash);
#if defined(THREADS_FULL_SHARING)
DETACH_PAGES(_pages_ans_ref_node);
#endif /* THREADS_FULL_SHARING */
DETACH_PAGES(_pages_gt_node);
DETACH_PAGES(_pages_gt_hash);
#ifdef OUTPUT_THREADS_TABLING
fclose(LOCAL_thread_output);
#endif /* OUTPUT_THREADS_TABLING */
#endif /* TABLING */
GLOBAL_NOfThreads--;
if (!always_die) {
/* called by thread itself */
GLOBAL_ThreadsTotalTime += Yap_cputime();
}
kill_thread_engine(wid, always_die);
}
static Term
eval0(Int fi) {
CACHE_REGS
arith0_op fop = fi;
switch (fop) {
case op_pi:
{
RFLOAT(PI);
}
case op_e:
{
RFLOAT(M_E);
}
case op_epsilon:
{
RFLOAT(DBL_EPSILON);
}
case op_inf:
{
#ifdef _MSC_VER /* Microsoft's Visual C++ Compiler */
Yap_ArithError(TYPE_ERROR_EVALUABLE, TermNil, "evaluating infinity");
P = (yamop *)FAILCODE;
RERROR();
#else
if (isoLanguageFlag()) {/* iso */
Yap_ArithError(TYPE_ERROR_EVALUABLE, TermNil, "evaluating infinity");
P = (yamop *)FAILCODE;
RERROR();
} else {
RFLOAT(INFINITY);
}
#endif
}
case op_nan:
{
#ifdef _MSC_VER /* Microsoft's Visual C++ Compi<ler */
Yap_ArithError(TYPE_ERROR_EVALUABLE, TermNil, "evaluating infinity");
RERROR();
#else
if (isoLanguageFlag()) {/* iso */
Yap_ArithError(TYPE_ERROR_EVALUABLE, TermNil, "evaluating not-a-number");
RERROR();
} else {
RFLOAT(NAN);
}
#endif
}
case op_random:
{
RFLOAT(Yap_random());
}
case op_cputime:
{
RFLOAT((Float)Yap_cputime()/1000.0);
}
case op_heapused:
/// - heapused
/// Heap (data-base) space used, in bytes.
///
RINT(HeapUsed);
case op_localsp:
/// - local
/// Local stack in use, in bytes
///
#if YAPOR_SBA
RINT((Int)ASP);
#else
RINT(LCL0 - ASP);
#endif
case op_b:
/// - $b
/// current choicepoint
///
#if YAPOR_SBA
RINT((Int)B);
#else
RINT(LCL0 - (CELL *)B);
#endif
case op_env:
/// - $env
/// Environment
///
#if YAPOR_SBA
RINT((Int)YENV);
#else
RINT(LCL0 - YENV);
#endif
case op_tr:
/// - $tr
/// Trail in use
///
#if YAPOR_SBA
RINT(TR);
#else
RINT(((CELL *)TR)-LCL0);
#endif
case op_stackfree:
/// - $free_stack
///
/// Not-a-number according to the IEEE Floating-Point standard. Note that evaluating this term will generate a domain error in the `iso` language mode.
RINT(Unsigned(ASP) - Unsigned(HR));
case op_globalsp:
/// - global
/// Global stack in use, in bytes.
///
#if YAPOR_SBA
RINT((Int)HR);
#else
RINT(HR - H0);
#endif
}
/// end of switch
RERROR();
}
