int main(void)
{
mps_arena_t arena;
mps_pool_t pool;
mps_fmt_t format;
mps_ap_t ap;
mps_addr_t p;
mps_root_t root;
locv_fmt.align = sizeof(void *); /* .fmt.align.delayed */
die(mps_arena_create(&arena, mps_arena_class_vm(), testArenaSIZE),
"mps_arena_create");
die(mps_root_create_table(&root, arena, mps_rank_exact(),
(mps_rm_t)0,
roots, (sizeof(roots)/sizeof(*roots))),
"RootCreate");
die(mps_fmt_create_A(&format, arena, &locv_fmt), "FormatCreate");
die(mps_pool_create(&pool, arena, mps_class_lo(), format), "LOCreate");
die(mps_ap_create(&ap, pool, mps_rank_exact()), "APCreate");
die(mps_reserve(&p, ap, sizeof(void *)), "mps_reserve min");
*(mps_word_t *)p = sizeof(void *);
cdie(mps_commit(ap, p, sizeof(void *)), "commit min");
die(mps_reserve(&roots[1], ap, 2*sizeof(void *)), "mps_reserve 2*min");
p = roots[1];
*(mps_word_t *)p = 2*sizeof(void *);
cdie(mps_commit(ap, p, 2*sizeof(void *)), "commit 2*min");
die(mps_reserve(&p, ap, (size_t)4096), "mps_reserve 4096");
*(mps_word_t *)p = 4096;
cdie(mps_commit(ap, p, (size_t)4096), "commit 4096");
die(mps_reserve(&p, ap, sizeof(void *)), "mps_reserve last");
*(mps_word_t *)p = sizeof(void *);
cdie(mps_commit(ap, p, sizeof(void *)), "commit last");
{
size_t count = 0;
mps_arena_formatted_objects_walk(arena, stepper, &count, 0);
cdie(count == 4, "walk 4 objects");
}
mps_ap_destroy(ap);
mps_pool_destroy(pool);
mps_fmt_destroy(format);
mps_root_destroy(root);
mps_arena_destroy(arena);
fflush(stdout); /* synchronize */
fprintf(stderr, "\nConclusion: Failed to find any defects.\n");
return 0;
}
static void test(void)
{
mycell *a[4], /* a is a table of exact roots */
*b[4]; /* b is a table of ambiguous roots */
int i, j, k;
mps_chain_t chain;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), mmqaArenaSIZE),
"create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(mps_root_create_table(&root, arena, mps_rank_exact(), 0,
(mps_addr_t *)&a[0], 4),
"create a root table");
cdie(mps_root_create_table(&root1, arena, mps_rank_ambig(), 0,
(mps_addr_t *)&b[0], 4),
"create b root table");
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(amc)");
die(mmqa_pool_create_chain(&poollo, arena, mps_class_amcz(), format, chain),
"create pool(amcz)");
die(mps_pool_create(&poolawl, arena, mps_class_awl(), format, getassociated),
"create pool(awl)");
cdie(
mps_ap_create(&apamc, poolamc, mps_rank_exact()),
"create ap(amc)");
cdie(
mps_ap_create(&aplo, poollo, mps_rank_exact()),
"create ap(amcz)");
cdie(
mps_ap_create(&apawl, poolawl, mps_rank_exact()),
"create ap(awl)");
newstamp = 0;
for (i=0; i<4; i++) {
die(allocrdumb(&a[i], aplo, 64, mps_rank_exact()), "alloc failed");
a[i]->data.checkedflag = newstamp;
die(allocrone(&b[i], apawl, 5, mps_rank_exact()), "alloc failed");
b[i]->data.checkedflag = newstamp;
b[i]->data.ref[0].addr = a[i];
die(allocrone(&a[i], apamc, 5, mps_rank_exact()), "alloc failed");
a[i]->data.checkedflag = newstamp;
a[i]->data.ref[0].addr = b[i];
}
for (j=0; j<100; j++) {
comment("%i of 100", j);
for (i=0; i<10000; i++) {
k = ranint(4);
die(allocrdumb(&a[k], aplo, 64, mps_rank_exact()), "alloc failed");
a[k]->data.checkedflag = newstamp;
k = ranint(4);
die(allocrone(&b[k], apawl, 5, mps_rank_exact()), "alloc failed");
b[k]->data.checkedflag = newstamp;
b[k]->data.ref[0].addr = a[ranint(4)];
b[k]->data.ref[1].addr = b[ranint(4)];
die(allocrone(&a[k], apamc, 5, mps_rank_exact()), "alloc failed");
a[k]->data.checkedflag = newstamp;
a[k]->data.ref[2].addr = b[ranint(4)];
}
comment("walking...");
mps_arena_park(arena);
mps_arena_collect(arena);
oldstamp = newstamp;
newstamp += 1;
mps_arena_formatted_objects_walk(arena, stepper,
(void *)MAGICPOINT, MAGICSIZE);
mps_arena_release(arena);
comment("tracing...");
oldstamp = newstamp;
newstamp += 1;
tracegraph((mycell *) exfmt_root);
tracegraph(a[0]);
tracegraph(a[1]);
tracegraph(a[2]);
tracegraph(a[3]);
tracegraph(b[0]);
tracegraph(b[1]);
tracegraph(b[2]);
tracegraph(b[3]);
comment("ok");
}
mps_ap_destroy(apamc);
mps_ap_destroy(aplo);
mps_ap_destroy(apawl);
comment("Destroyed aps.");
mps_pool_destroy(poolamc);
mps_pool_destroy(poollo);
mps_pool_destroy(poolawl);
comment("Destroyed pools.");
mps_chain_destroy(chain);
mps_fmt_destroy(format);
mps_root_destroy(root);
mps_root_destroy(root1);
mps_thread_dereg(thread);
mps_arena_destroy(arena);
comment("Destroyed arena.");
}
static void test(void)
{
/* a is a table of exact roots
b a table of ambiguous roots
f a table of non-roots
*/
mycell *a[4], *b[4], *f[4];
mps_addr_t addr;
int i, j, k;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), mmqaArenaSIZE), "create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
addr = &a[0];
cdie(
mps_root_create_table(&root, arena, mps_rank_exact(), 0, addr, 4),
"create a root table");
addr = &b[0];
cdie(
mps_root_create_table(&root1, arena, mps_rank_ambig(), 0, addr, 4),
"create b root table");
cdie(
mps_fmt_create_A(&format, arena, &fmtA),
"create format");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
cdie(
mps_pool_create(&poolamc, arena, mps_class_amc(), format, chain),
"create pool");
cdie(
mps_pool_create(&poollo, arena, mps_class_lo(), format),
"create pool");
cdie(
mps_pool_create(&poolawl, arena, mps_class_awl(), format, getassociated),
"create pool");
cdie(
mps_ap_create(&apamc, poolamc, mps_rank_exact()),
"create ap");
cdie(
mps_ap_create(&aplo, poollo, mps_rank_exact()),
"create ap");
cdie(
mps_ap_create(&apawl, poolawl, mps_rank_exact()),
"create ap");
newstamp = 0;
for (i=0; i<4; i++) {
addr = &a[i];
die(allocrdumb(addr, aplo, 64, mps_rank_exact()), "alloc failed");
addr = &b[i];
die(allocrone(addr, apawl, 5, mps_rank_exact()), "alloc failed");
b[i]->data.ref[0].addr = a[i];
addr = &a[i];
die(allocrone(addr, apamc, 5, mps_rank_exact()), "alloc failed");
a[i]->data.ref[0].addr = b[i];
}
for (j=0; j<100; j++) {
comment("%i of 100", j);
for (i=0; i<10000; i++) {
k = ranint(4);
addr = &a[k];
die(allocrdumb(addr, aplo, 64, mps_rank_exact()), "alloc failed");
k = ranint(4);
addr = &b[k];
die(allocrone(addr, apawl, 5, mps_rank_exact()), "alloc failed");
b[k]->data.ref[0].addr = a[ranint(4)];
b[k]->data.ref[1].addr = b[ranint(4)];
addr = &a[k];
die(allocrone(addr, apamc, 5, mps_rank_exact()), "alloc failed");
f[k] = a[k]->data.ref[2].addr;
a[k]->data.ref[2].addr = b[ranint(4)];
}
comment("walking...");
mps_arena_park(arena);
mps_arena_collect(arena);
oldstamp = newstamp;
newstamp += 1;
mps_arena_formatted_objects_walk(arena, stepper,
(void *) MAGICPOINT, MAGICSIZE);
mps_arena_release(arena);
comment("tracing...");
oldstamp = newstamp;
newstamp += 1;
tracegraph((mycell *) exfmt_root);
tracegraph(a[0]);
tracegraph(a[1]);
tracegraph(a[2]);
tracegraph(a[3]);
tracegraph(b[0]);
tracegraph(b[1]);
tracegraph(b[2]);
tracegraph(b[3]);
comment("f[0] = %p", f[0]); /* avoid compiler warning about used f */
comment("ok");
}
mps_arena_park(arena);
mps_ap_destroy(apamc);
mps_ap_destroy(aplo);
mps_ap_destroy(apawl);
comment("Destroyed aps.");
mps_pool_destroy(poolamc);
mps_pool_destroy(poollo);
mps_pool_destroy(poolawl);
comment("Destroyed pools.");
mps_fmt_destroy(format);
comment("Destroyed format.");
mps_chain_destroy(chain);
comment("Destroyed chain.");
mps_root_destroy(root);
mps_root_destroy(root1);
comment("Destroyed roots.");
mps_thread_dereg(thread);
comment("Deregistered thread.");
mps_arena_destroy(arena);
comment("Destroyed arena.");
}
static void test(mps_arena_t arena, mps_class_t pool_class, size_t roots_count)
{
mps_fmt_t format;
mps_chain_t chain;
mps_root_t exactRoot, ambigRoot;
unsigned long objs; size_t i;
mps_word_t collections, rampSwitch;
mps_alloc_pattern_t ramp = mps_alloc_pattern_ramp();
int ramping;
mps_ap_t busy_ap;
mps_addr_t busy_init;
mps_pool_t pool;
int described = 0;
die(dylan_fmt(&format, arena), "fmt_create");
die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mps_pool_create(&pool, arena, pool_class, format, chain),
"pool_create(amc)");
die(mps_ap_create(&ap, pool, mps_rank_exact()), "BufferCreate");
die(mps_ap_create(&busy_ap, pool, mps_rank_exact()), "BufferCreate 2");
for(i = 0; i < exactRootsCOUNT; ++i)
exactRoots[i] = objNULL;
for(i = 0; i < ambigRootsCOUNT; ++i)
ambigRoots[i] = rnd_addr();
die(mps_root_create_table_masked(&exactRoot, arena,
mps_rank_exact(), (mps_rm_t)0,
&exactRoots[0], exactRootsCOUNT,
(mps_word_t)1),
"root_create_table(exact)");
die(mps_root_create_table(&ambigRoot, arena,
mps_rank_ambig(), (mps_rm_t)0,
&ambigRoots[0], ambigRootsCOUNT),
"root_create_table(ambig)");
/* create an ap, and leave it busy */
die(mps_reserve(&busy_init, busy_ap, 64), "mps_reserve busy");
collections = 0;
rampSwitch = rampSIZE;
die(mps_ap_alloc_pattern_begin(ap, ramp), "pattern begin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp), "pattern begin (busy_ap)");
ramping = 1;
objs = 0;
while (collections < collectionsCOUNT) {
mps_word_t c;
size_t r;
c = mps_collections(arena);
if (collections != c) {
if (!described) {
die(ArenaDescribe(arena, mps_lib_get_stdout(), 0), "ArenaDescribe");
described = TRUE;
}
collections = c;
report(arena);
printf("%lu objects (mps_collections says: %"PRIuLONGEST")\n", objs,
(ulongest_t)c);
/* test mps_arena_has_addr */
{
size_t hitRatio;
unsigned hitsWanted = 4; /* aim for 4 hits (on average) */
/* [Note: The for-loop condition used to be "i < 4 * hitRatio",
* with "4" an unexplained naked constant. I have now labelled
* it "hitsWanted", as I think that is the intent. RHSK]
*/
/* how many random addrs must we try, to hit the arena once? */
hitRatio = (0xfffffffful / mps_arena_committed(arena));
for (i = 0; i < hitsWanted * hitRatio ; i++) {
/* An exact root maybe in the arena, so add a random 32-bit
* offset to it. We may get no hits if it is objNULL.
*/
mps_addr_t p = (char *)exactRoots[rnd() % exactRootsCOUNT]
+ rnd()-0x80000000ul;
if (mps_arena_has_addr(arena, p)) {
printf("%p is in the arena\n", p);
}
}
}
for (i = 0; i < exactRootsCOUNT; ++i)
cdie(exactRoots[i] == objNULL
|| (dylan_check(exactRoots[i])
&& mps_arena_has_addr(arena, exactRoots[i])),
"all roots check");
cdie(!mps_arena_has_addr(arena, NULL),
"NULL in arena");
if (collections == collectionsCOUNT / 2) {
unsigned long object_count = 0;
mps_arena_park(arena);
mps_arena_formatted_objects_walk(arena, test_stepper, &object_count, 0);
mps_arena_release(arena);
printf("stepped on %lu objects.\n", object_count);
}
if (collections == rampSwitch) {
int begin_ramp = !ramping
|| /* Every other time, switch back immediately. */ (collections & 1);
rampSwitch += rampSIZE;
if (ramping) {
die(mps_ap_alloc_pattern_end(ap, ramp), "pattern end (ap)");
die(mps_ap_alloc_pattern_end(busy_ap, ramp), "pattern end (busy_ap)");
ramping = 0;
/* kill half of the roots */
for(i = 0; i < exactRootsCOUNT; i += 2) {
if (exactRoots[i] != objNULL) {
cdie(dylan_check(exactRoots[i]), "ramp kill check");
exactRoots[i] = objNULL;
}
}
}
if (begin_ramp) {
die(mps_ap_alloc_pattern_begin(ap, ramp),
"pattern rebegin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp),
"pattern rebegin (busy_ap)");
ramping = 1;
}
}
}
r = (size_t)rnd();
if (r & 1) {
i = (r >> 1) % exactRootsCOUNT;
if (exactRoots[i] != objNULL)
cdie(dylan_check(exactRoots[i]), "dying root check");
exactRoots[i] = make(roots_count);
if (exactRoots[(exactRootsCOUNT-1) - i] != objNULL)
dylan_write(exactRoots[(exactRootsCOUNT-1) - i],
exactRoots, exactRootsCOUNT);
} else {
static void *test(mps_arena_t arena, mps_class_t pool_class)
{
mps_chain_t chain;
mps_fmt_t format;
mps_pool_t pool;
mps_root_t exactRoot;
size_t i;
unsigned long objs;
struct stepper_data sdStruct, *sd;
die(dylan_fmt(&format, arena), "fmt_create");
die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
MPS_ARGS_BEGIN(args) {
MPS_ARGS_ADD(args, MPS_KEY_FORMAT, format);
MPS_ARGS_ADD(args, MPS_KEY_CHAIN, chain);
MPS_ARGS_ADD(args, MPS_KEY_AWL_FIND_DEPENDENT, test_awl_find_dependent);
die(mps_pool_create_k(&pool, arena, pool_class, args), "pool_create");
} MPS_ARGS_END(args);
die(mps_ap_create(&ap, pool, mps_rank_exact()), "ap_create");
for(i = 0; i < exactRootsCOUNT; ++i)
exactRoots[i] = objNULL;
die(mps_root_create_table_masked(&exactRoot, arena,
mps_rank_exact(), (mps_rm_t)0,
&exactRoots[0], exactRootsCOUNT,
(mps_word_t)1),
"root_create_table(exact)");
objs = 0;
while(objs < objCOUNT) {
size_t r;
r = objs;
i = r % exactRootsCOUNT;
if(exactRoots[i] != objNULL) {
cdie(dylan_check(exactRoots[i]), "dying root check");
}
exactRoots[i] = make();
if(exactRoots[(exactRootsCOUNT-1) - i] != objNULL)
dylan_write(exactRoots[(exactRootsCOUNT-1) - i],
exactRoots, exactRootsCOUNT);
++objs;
}
sd = &sdStruct;
sd->arena = arena;
sd->expect_pool = pool;
sd->expect_fmt = format;
sd->count = 0;
mps_arena_formatted_objects_walk(arena, stepper, sd, sizeof *sd);
/* Note: stepper finds more than we expect, due to pad objects */
/* printf("stepper found %ld objs\n", sd->count); */
mps_ap_destroy(ap);
mps_root_destroy(exactRoot);
mps_pool_destroy(pool);
mps_chain_destroy(chain);
mps_fmt_destroy(format);
return NULL;
}
static void *test(void *arg, size_t s)
{
mps_arena_t arena;
mps_fmt_t format;
mps_chain_t chain;
mps_root_t exactRoot, ambigRoot;
unsigned long objs; size_t i;
mps_word_t collections, rampSwitch;
mps_alloc_pattern_t ramp = mps_alloc_pattern_ramp();
int ramping;
mps_ap_t busy_ap;
mps_addr_t busy_init;
arena = (mps_arena_t)arg;
(void)s; /* unused */
die(dylan_fmt(&format, arena), "fmt_create");
die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mps_pool_create(&pool, arena, mps_class_amc(), format, chain),
"pool_create(amc)");
die(mps_ap_create(&ap, pool, MPS_RANK_EXACT), "BufferCreate");
die(mps_ap_create(&busy_ap, pool, MPS_RANK_EXACT), "BufferCreate 2");
for(i = 0; i < exactRootsCOUNT; ++i)
exactRoots[i] = objNULL;
for(i = 0; i < ambigRootsCOUNT; ++i)
ambigRoots[i] = rnd_addr();
die(mps_root_create_table_masked(&exactRoot, arena,
MPS_RANK_EXACT, (mps_rm_t)0,
&exactRoots[0], exactRootsCOUNT,
(mps_word_t)1),
"root_create_table(exact)");
die(mps_root_create_table(&ambigRoot, arena,
MPS_RANK_AMBIG, (mps_rm_t)0,
&ambigRoots[0], ambigRootsCOUNT),
"root_create_table(ambig)");
/* create an ap, and leave it busy */
die(mps_reserve(&busy_init, busy_ap, 64), "mps_reserve busy");
collections = 0;
rampSwitch = rampSIZE;
die(mps_ap_alloc_pattern_begin(ap, ramp), "pattern begin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp), "pattern begin (busy_ap)");
ramping = 1;
objs = 0;
while (collections < collectionsCOUNT) {
unsigned long c;
size_t r;
size_t hitRatio;
c = mps_collections(arena);
if (collections != c) {
collections = c;
printf("\nCollection %lu started, %lu objects.\n", c, objs);
/* test mps_arena_has_addr */
hitRatio = ((size_t)-1 / mps_arena_committed(arena));
/* That's roughly how often a random addr should hit the arena. */
for (i = 0; i < 4 * hitRatio ; i++) {
mps_addr_t p = rnd_addr();
if (mps_arena_has_addr(arena, p)) {
printf("%p is in the arena\n", p);
}
}
report(arena);
for (i = 0; i < exactRootsCOUNT; ++i)
cdie(exactRoots[i] == objNULL
|| (dylan_check(exactRoots[i])
&& mps_arena_has_addr(arena, exactRoots[i])),
"all roots check");
cdie(!mps_arena_has_addr(arena, NULL),
"NULL in arena");
if (collections == collectionsCOUNT / 2) {
unsigned long object_count = 0;
mps_arena_park(arena);
mps_arena_formatted_objects_walk(arena, test_stepper, &object_count, 0);
mps_arena_release(arena);
printf("stepped on %lu objects.\n", object_count);
}
if (collections == rampSwitch) {
int begin_ramp = !ramping
|| /* Every other time, switch back immediately. */ (collections & 1);
rampSwitch += rampSIZE;
if (ramping) {
die(mps_ap_alloc_pattern_end(ap, ramp), "pattern end (ap)");
die(mps_ap_alloc_pattern_end(busy_ap, ramp), "pattern end (busy_ap)");
ramping = 0;
/* kill half of the roots */
for(i = 0; i < exactRootsCOUNT; i += 2) {
if (exactRoots[i] != objNULL) {
cdie(dylan_check(exactRoots[i]), "ramp kill check");
exactRoots[i] = objNULL;
}
}
}
if (begin_ramp) {
die(mps_ap_alloc_pattern_begin(ap, ramp),
"pattern rebegin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp),
"pattern rebegin (busy_ap)");
ramping = 1;
}
}
}
r = (size_t)rnd();
if (r & 1) {
i = (r >> 1) % exactRootsCOUNT;
if (exactRoots[i] != objNULL)
cdie(dylan_check(exactRoots[i]), "dying root check");
exactRoots[i] = make();
if (exactRoots[(exactRootsCOUNT-1) - i] != objNULL)
dylan_write(exactRoots[(exactRootsCOUNT-1) - i],
exactRoots, exactRootsCOUNT);
} else {
static void test(mps_arena_t arena, mps_pool_class_t pool_class)
{
mps_chain_t chain;
mps_fmt_t format;
mps_pool_t pool;
mps_root_t exactRoot;
size_t i;
size_t totalSize, freeSize, allocSize, bufferSize;
unsigned long objs;
struct stepper_data sdStruct, *sd;
PoolClass class;
die(dylan_fmt(&format, arena), "fmt_create");
die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
MPS_ARGS_BEGIN(args) {
MPS_ARGS_ADD(args, MPS_KEY_FORMAT, format);
MPS_ARGS_ADD(args, MPS_KEY_CHAIN, chain);
die(mps_pool_create_k(&pool, arena, pool_class, args), "pool_create");
} MPS_ARGS_END(args);
die(mps_ap_create(&ap, pool, mps_rank_exact()), "ap_create");
for(i = 0; i < exactRootsCOUNT; ++i)
exactRoots[i] = objNULL;
die(mps_root_create_table_masked(&exactRoot, arena,
mps_rank_exact(), (mps_rm_t)0,
&exactRoots[0], exactRootsCOUNT,
(mps_word_t)1),
"root_create_table(exact)");
objs = 0;
while(objs < objCOUNT) {
size_t r;
r = objs;
i = r % exactRootsCOUNT;
if(exactRoots[i] != objNULL) {
cdie(dylan_check(exactRoots[i]), "dying root check");
}
exactRoots[i] = make();
if(exactRoots[(exactRootsCOUNT-1) - i] != objNULL)
dylan_write(exactRoots[(exactRootsCOUNT-1) - i],
exactRoots, exactRootsCOUNT);
++objs;
}
mps_arena_park(arena);
sd = &sdStruct;
sd->arena = arena;
sd->expect_pool = pool;
sd->expect_fmt = format;
sd->count = 0;
sd->objSize = 0;
sd->padSize = 0;
mps_arena_formatted_objects_walk(arena, stepper, sd, sizeof *sd);
Insist(sd->count == objs);
totalSize = mps_pool_total_size(pool);
freeSize = mps_pool_free_size(pool);
allocSize = totalSize - freeSize;
bufferSize = AddrOffset(ap->init, ap->limit);
class = ClassOfPoly(Pool, pool);
printf("%s: obj=%lu pad=%lu total=%lu free=%lu alloc=%lu buffer=%lu\n",
ClassName(class),
(unsigned long)sd->objSize,
(unsigned long)sd->padSize,
(unsigned long)totalSize,
(unsigned long)freeSize,
(unsigned long)allocSize,
(unsigned long)bufferSize);
Insist(sd->objSize + sd->padSize + bufferSize == allocSize);
mps_ap_destroy(ap);
mps_root_destroy(exactRoot);
mps_pool_destroy(pool);
mps_chain_destroy(chain);
mps_fmt_destroy(format);
mps_arena_release(arena);
}
