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/*
TEST_HEADER
id = $Id$
summary = Collect with a fully initialised (but not committed) buffer
language = c
link = testlib.o
END_HEADER
*/
#include "testlib.h"
#include "mpscamc.h"
#include "mpsavm.h"
#define genCOUNT (3)
static mps_gen_param_s testChain[genCOUNT] = {
{ 6000, 0.90 }, { 8000, 0.65 }, { 16000, 0.50 } };
#define testArenaSIZE ((size_t)64<<20)
/* objSIZE should be such that when this size is requested in a reserve */
/* the buffer gets filled with exactly this much memory */
#define objSIZE 8192
static mps_ap_t ap;
static mps_res_t simple_scan(mps_ss_t ss, mps_addr_t base, mps_addr_t limit)
{
return MPS_RES_OK;
}
static mps_addr_t simple_skip(mps_addr_t limit)
{
return (void *)((char *)limit + objSIZE);
}
static void simple_fwd(mps_addr_t old, mps_addr_t new)
{
((mps_addr_t *)old)[1] = new;
((mps_word_t *)old)[0] = 1;
}
static mps_addr_t simple_is_fwd(mps_addr_t obj)
{
if(*(mps_word_t *)obj) {
return ((mps_addr_t *)obj)[1];
} else {
return NULL;
}
}
static void simple_pad(mps_addr_t addr, size_t size)
{
}
static void simple_copy(mps_addr_t obj, mps_addr_t to)
{
error("copy method not implemented in this test");
}
struct mps_fmt_A_s simple_fmt_A = {
4,
&simple_scan,
&simple_skip,
&simple_copy,
&simple_fwd,
&simple_is_fwd,
&simple_pad
};
static mps_addr_t make(void)
{
size_t size = objSIZE;
mps_addr_t p;
mps_res_t res;
do {
MPS_RESERVE_BLOCK(res, p, ap, size);
if(res)
die(res, "MPS_RESERVE_BLOCK");
*(mps_word_t *)p = 0;
} while(!mps_commit(ap, p, size));
return p;
}
static void test(void *stack_pointer)
{
mps_addr_t busy_init;
mps_ap_t busy_ap;
mps_arena_t arena;
mps_thr_t thread;
mps_fmt_t format;
mps_chain_t chain;
mps_pool_t pool;
unsigned long i;
die(mps_arena_create(&arena, mps_arena_class_vm(), testArenaSIZE),
"arena_create");
die(mps_thread_reg(&thread, arena), "thread_reg");
die(mps_fmt_create_A(&format, arena, &simple_fmt_A), "fmt_create");
die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mmqa_pool_create_chain(&pool, arena, mps_class_amc(), format, chain),
"create pool");
die(mps_ap_create(&ap, pool, mps_rank_exact()), "BufferCreate");
die(mps_ap_create(&busy_ap, pool, mps_rank_exact()), "BufferCreate");
/* create an ap, and leave it busy */
die(mps_reserve(&busy_init, busy_ap, objSIZE), "mps_reserve busy");
/* now simulate first part of commit */
busy_ap->init = busy_ap->alloc;
for(i = 0; i < 100000; ++i) {
make();
}
/* now simulate rest of commit */
(void)(busy_ap->limit != 0 || mps_ap_trip(busy_ap, busy_init, objSIZE));
mps_arena_park(arena);
mps_ap_destroy(busy_ap);
mps_ap_destroy(ap);
mps_pool_destroy(pool);
mps_chain_destroy(chain);
mps_fmt_destroy(format);
mps_thread_dereg(thread);
mps_arena_destroy(arena);
}
int main(void)
{
run_test(test);
pass();
return 0;
}
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