/*
TEST_HEADER
id = $HopeName: MMQA_test_function!49.c(trunk.7) $
summary = finalization tests with AMC, AWL and LO
language = c
link = testlib.o rankfmt.o
END_HEADER
*/
#include "testlib.h"
#include "mpscawl.h"
#include "mpscamc.h"
#include "mpsclo.h"
#include "mpsavm.h"
#include "rankfmt.h"
#include "mpsavm.h"
#define genCOUNT (3)
static mps_gen_param_s testChain[genCOUNT] = {
{ 6000, 0.90 }, { 8000, 0.65 }, { 16000, 0.50 } };
void *stackpointer;
mps_arena_t arena;
int final_count = 0;
enum {
FINAL_DISCARD,
FINAL_REREGISTER,
FINAL_STORE,
FINAL_QUEUE
};
mps_message_t mqueue[10000];
int qhd = 0;
int qtl = 0;
static void nq(mps_message_t mess)
{
mqueue[qhd] = mess;
qhd = (qhd+1) % 10000;
asserts(qhd != qtl, "No space in message queue.");
}
static int qmt(void)
{
if (qhd == qtl) {
return 1;
} else {
return 0;
}
}
static int dq(mps_message_t *mess)
{
if (qhd == qtl) {
return 0;
} else {
*mess = mqueue[qtl];
qtl = (qtl+1) % 10000;
return 1;
}
}
static void process_mess(mps_message_t message, int faction, mps_addr_t *ref)
{
mps_addr_t ffref;
switch (faction) {
case FINAL_DISCARD:
mps_message_discard(arena, message);
break;
case FINAL_REREGISTER:
mps_message_finalization_ref(&ffref, arena, message);
mps_finalize(arena, &ffref);
final_count +=1;
mps_message_discard(arena, message);
break;
case FINAL_STORE:
mps_message_finalization_ref(ref, arena, message);
mps_message_discard(arena, message);
break;
case FINAL_QUEUE:
nq(message);
break;
default:
asserts(0, "Unknown finalization action.");
}
}
static void qpoll(mycell **ref, int faction)
{
mps_message_t message;
if (dq(&message)) {
process_mess(message, faction, (mps_addr_t*)ref);
}
}
static void finalpoll(mycell **ref, int faction)
{
mps_message_t message;
if (mps_message_get(&message, arena, MPS_MESSAGE_TYPE_FINALIZATION)) {
final_count -=1;
process_mess(message, faction, (mps_addr_t*)ref);
}
}
static void test(void)
{
mps_pool_t poolamc, poolawl, poollo;
mps_thr_t thread;
mps_root_t root0, root1;
mps_fmt_t format;
mps_chain_t chain;
mps_ap_t apamc, apawl, aplo;
mycell *a, *b, *c, *d, *z;
long int j;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t)1024*1024*30),
"create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(mps_root_create_reg(&root0, arena, MPS_RANK_AMBIG, 0, thread,
mps_stack_scan_ambig, stackpointer, 0),
"create root");
cdie(mps_root_create_table(&root1, arena, MPS_RANK_AMBIG, 0,
(mps_addr_t *)&exfmt_root, 1),
"create table root");
cdie(mps_fmt_create_A(&format, arena, &fmtA),
"create format");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mmqa_pool_create_chain(&poolamc, arena, mps_class_amc(), format, chain),
"create pool");
cdie(mps_pool_create(&poolawl, arena, mps_class_awl(), format),
"create pool");
cdie(mps_pool_create(&poollo, arena, mps_class_lo(), format),
"create pool");
cdie(mps_ap_create(&apawl, poolawl, MPS_RANK_WEAK),
"create ap");
cdie(
mps_ap_create(&apamc, poolamc, MPS_RANK_EXACT),
"create ap");
cdie(
mps_ap_create(&aplo, poollo, MPS_RANK_EXACT),
"create ap");
mps_message_type_enable(arena, mps_message_type_finalization());
/* register loads of objects for finalization (1000*4) */
a = allocone(apamc, 2, 1);
b = a;
for (j=0; j<1000; j++) {
a = allocone(apamc, 2, MPS_RANK_EXACT);
c = allocone(apawl, 2, MPS_RANK_WEAK);
d = allocone(aplo, 2, MPS_RANK_EXACT); /* rank irrelevant here! */
mps_finalize(arena, (mps_addr_t*)&a);
mps_finalize(arena, (mps_addr_t*)&c);
mps_finalize(arena, (mps_addr_t*)&d);
mps_finalize(arena, (mps_addr_t*)&d);
final_count += 4;
setref(a, 0, b);
setref(a, 1, c);
setref(c, 1, d);
b = a;
}
/* throw them all away and collect everything */
a = NULL;
b = NULL;
c = NULL;
d = NULL;
mps_arena_collect(arena);
while (mps_message_poll(arena)) {
finalpoll(&z, FINAL_DISCARD);
}
/* how many are left? (n.b. ideally this would be 0 but
there's no guarantee)
*/
report("count1", "%i", final_count);
/* now to test leaving messages open for a long time! */
for (j=0; j<1000; j++) {
if (j % 50 == 0)
comment("%d of 1000", j);
a = allocone(apamc, 10000, MPS_RANK_EXACT);
mps_finalize(arena, (mps_addr_t*)&a);
final_count +=1;
comment("finalize");
finalpoll(&z, FINAL_QUEUE);
}
comment("reregister");
for (j=0; j<500; j++) {
comment("%d of 500", j);
qpoll(&z, FINAL_REREGISTER);
}
b = a;
z = a;
for (j=0; j<1000; j++) {
comment("%d of 1000", j);
finalpoll(&z, FINAL_QUEUE);
qpoll(&z, FINAL_STORE);
a = allocone(apamc, 2, MPS_RANK_EXACT);
setref(z, 0, b);
setref(a, 1, z);
b = a;
}
for (j=0; j<1000; j++) {
a = allocone(apamc, 2, MPS_RANK_EXACT);
qpoll(&z, FINAL_DISCARD);
finalpoll(&z, FINAL_DISCARD);
setref(a, 0, b);
b = a;
}
/* Force old objects to be killed */
while (qmt() == 0) {
qpoll(&z, FINAL_DISCARD);
}
mps_root_destroy(root0);
mps_root_destroy(root1);
comment("Destroyed roots.");
mps_arena_collect(arena);
comment("Collected arena.");
while (mps_message_poll(arena)) {
finalpoll(&z, FINAL_DISCARD);
}
report("count2", "%d", final_count);
mps_ap_destroy(apawl);
mps_ap_destroy(apamc);
mps_ap_destroy(aplo);
comment("Destroyed aps.");
mps_pool_destroy(poolamc);
mps_pool_destroy(poolawl);
mps_pool_destroy(poollo);
comment("Destroyed pools.");
mps_chain_destroy(chain);
mps_fmt_destroy(format);
mps_thread_dereg(thread);
mps_arena_destroy(arena);
comment("Destroyed arena.");
}
int main(void)
{
void *m;
stackpointer=&m; /* hack to get stack pointer */
easy_tramp(test);
pass();
return 0;
}