emacs/mps/test/function/19.c

/* 
TEST_HEADER
 id = $HopeName: MMQA_test_function!19.c(trunk.5) $
 summary = create lots of aps at once (and cause to run out of memory)
 language = c
 link = testlib.o newfmt.o
OUTPUT_SPEC
 errtext = create ap: MEMORY
END_HEADER
*/

#include "testlib.h"
#include "mpscamc.h"
#include "mpscmv.h"
#include "mpsavm.h"
#include "newfmt.h"


#define genCOUNT (3)

static mps_gen_param_s testChain[genCOUNT] = {
  { 6000, 0.90 }, { 8000, 0.65 }, { 16000, 0.50 } };


void *stackpointer;


static void test(void)
{
 mps_arena_t arena;
 mps_pool_t pool;
 mps_thr_t thread;
 mps_fmt_t format;
 mps_chain_t chain;
 mps_root_t root;
 mps_ap_t ap;
 mps_addr_t q;

 int p;

 cdie(mps_arena_create(&arena, mps_arena_class_vm(), mmqaArenaSIZE),
      "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");
 die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");

 die(mps_pool_create(&pool, arena, mps_class_mv(),
                     1024*32, 1024*16, 1024*256),
     "pool");

 while (mps_alloc(&q, pool, 64*1024)==MPS_RES_OK);
 p = 0;

 cdie(mmqa_pool_create_chain(&pool, arena, mps_class_amc(), format, chain),
      "create pool");

 while (1) {
  p++;
  die(mps_ap_create(&ap, pool, MPS_RANK_EXACT), "create ap");
  report("ap", "%i", p);
 }

 asserts(1, "Unreachable!");
}


int main(void)
{
 void *m;
 stackpointer=&m; /* hack to get stack pointer */

 easy_tramp(test);
 pass();
 return 0;
}