/*
TEST_HEADER
id = $HopeName: MMQA_test_function!117.c(trunk.2) $
summary = should collect objects on buffered segs (request.dylan.160064)
language = c
link = testlib.o rankfmt.o
OUTPUT_SPEC
drop12 > 10000000
drop13 > 10000000
END_HEADER
*/
#include "testlib.h"
#include "mpscamc.h"
#include "mpsavm.h"
#include "rankfmt.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;
static void test(void)
{
mps_pool_t pool;
mps_thr_t thread;
mps_root_t root;
mps_fmt_t format;
mps_chain_t chain;
mps_ap_t ap;
mycell *a, *b;
size_t x, y, z;
int i;
/* create an arena that can't grow beyond 128 M */
cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*128)),
"create arena");
die(mps_thread_reg(&thread, arena), "register thread");
die(mps_root_create_reg(&root, arena, MPS_RANK_AMBIG, 0, thread,
mps_stack_scan_ambig, stackpointer, 0),
"create root");
die(mps_fmt_create_A(&format, arena, &fmtA), "create format");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mmqa_pool_create_chain(&pool, arena, mps_class_amc(), format, chain),
"create pool");
cdie(
mps_ap_create(&ap, pool, MPS_RANK_EXACT),
"create ap");
/* allocate a jolly big chain of objects */
b = allocone(ap, 4, MPS_RANK_EXACT);
for (i = 0; i < 256*1024; i++) {
a = allocone(ap, 4, MPS_RANK_EXACT);
setref(a, 0, b);
b = a;
}
comment("%d objs allocated.", i);
mps_arena_collect(arena);
x = mps_arena_committed(arena);
report("livesize", "%d", x);
/* now let everything die, by destroying the only root and mps_arena_collect */
mps_root_destroy(root);
mps_arena_collect(arena);
y = mps_arena_committed(arena);
report("rootless", "%d", y);
mps_ap_destroy(ap);
mps_arena_collect(arena);
z = mps_arena_committed(arena);
report("apless", "%d", z);
report("drop12", "%d", x - y);
report("drop13", "%d", x - z);
mps_pool_destroy(pool);
comment("Destroyed pool.");
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;
}