/*
TEST_HEADER
id = $HopeName$
summary = low-memory reservoir tests with commit limit, part II
language = c
link = testlib.o rankfmt.o
OUTPUT_SPEC
allocfail3 > 8000
failres3 = COMMIT_LIMIT
spill8 <= 0
spill9 <= 0
grow9 > 1000000
END_HEADER
*/
#include "testlib.h"
#include "mpscamc.h"
#include "mpsavm.h"
#include "rankfmt.h"
#define ARENA_SIZE ((size_t) 1024*1024*30)
void *stackpointer;
mps_space_t arena;
mps_pool_t poolamc;
mps_pool_t poolmv;
mps_thr_t thread;
mps_root_t root;
mps_fmt_t format;
mps_ap_t apamc;
mps_root_t root;
static void test(void) {
mycell *p, *q;
int i;
mps_res_t res;
size_t lim7, avail7, commit7, lim8, avail8, commit8;
size_t lim9, avail9, commit9;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), ARENA_SIZE),
"create space");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(mps_root_create_reg(&root, arena, MPS_RANK_AMBIG, 0, thread,
mps_stack_scan_ambig, stackpointer, 0), "create stack root");
cdie(
mps_fmt_create_A(&format, arena, &fmtA),
"create format");
cdie(
mps_pool_create(&poolamc, arena, mps_class_amc(), format),
"create pool");
cdie(
mps_ap_create(&apamc, poolamc, MPS_RANK_EXACT),
"create ap");
mps_arena_commit_limit_set(arena, mps_arena_committed(arena)+1024*1024);
mps_reservoir_limit_set(arena, 0);
report("lim7", "%d", lim7 = mps_reservoir_limit(arena));
report("avail7", "%d", avail7 = mps_reservoir_available(arena));
report("commit7", "%d", commit7 = mps_arena_committed(arena));
/* available should be zero, but should be able to allocate with
reservoir permit, until commit_limit is reached
*/
i = -1;
p = NULL;
res = MPS_RES_OK;
while (res == MPS_RES_OK) {
res = reservoir_allocrone(&q, apamc, 10, MPS_RANK_EXACT);
if (res == MPS_RES_OK) {
setref(q, 0, p);
p = q;
}
i++;
}
report("allocfail3", "%d", i);
report_res("failres3", res);
/* should be none left to make available */
mps_reservoir_limit_set(arena, 10ul*1024*1024);
report("lim8", "%d", lim8 = mps_reservoir_limit(arena));
report("avail8", "%d", avail8 = mps_reservoir_available(arena));
report("commit8", "%d", commit8 = mps_arena_committed(arena));
report("spill8", "%d", commit8-mps_arena_commit_limit(arena));
/* throw away objects and collect world */
p = NULL;
q = NULL;
mps_root_destroy(root);
mps_arena_collect(arena);
/* available should have gone up now */
report("lim9", "%d", lim9 = mps_reservoir_limit(arena));
report("avail9", "%d", avail9 = mps_reservoir_available(arena));
report("commit9", "%d", commit9 = mps_arena_committed(arena));
report("grow9", "%d", avail9-avail8);
report("spill9", "%d", commit9-mps_arena_commit_limit(arena));
/* destroy everything remaining
*/
mps_ap_destroy(apamc);
comment("Destroyed ap.");
mps_pool_destroy(poolamc);
comment("Destroyed pool.");
mps_fmt_destroy(format);
comment("Destroyed format.");
mps_thread_dereg(thread);
comment("Deregistered thread.");
mps_arena_destroy(arena);
comment("Destroyed space.");
}
int main(void)
{
void *m;
stackpointer=&m; /* hack to get stack pointer */
easy_tramp(test);
report("result", "pass");
return 0;
}