1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
/* 
TEST_HEADER
 id = $Id: //info.ravenbrook.com/project/mps/version/1.112/test/function/131.c#1 $
 summary = allocation shouldn't fail if there's garbage to collect (2)
 language = c
 link = testlib.o rankfmt.o
 harness = 2.0
OUTPUT_SPEC
 predie = COMMIT_LIMIT
 postdie = OK
 completed = yes
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_pool_t poolmv;
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, ap2;

 mycell *a, *b;

 mps_res_t res;
 int i;

 /* create an arena that can't grow beyond 30 M */
 cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*40)),
  "create arena");
 mps_arena_commit_limit_set(arena, (size_t) (1024*1024*30));

 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 root");

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

 cdie(
  mps_ap_create(&ap, pool, mps_rank_exact()),
  "create ap");

 /* allocate until full */

 i = 0;
 b = NULL;

 while (allocrone(&a, ap, 128, mps_rank_exact()) == MPS_RES_OK) {
  i++;
  setref(a, 0, b);
  b = a;
 }

 comment("%d objs allocated.", i);
 report("committed", "%ld", mps_arena_committed(arena));

 /* try to allocate 10 times */

 cdie(mps_ap_create(&ap2, pool, mps_rank_exact()), "create second ap");
 mps_ap_destroy(ap);

 for (i = 0; i < 10; i++) {
  res = allocrone(&a, ap2, 128, mps_rank_exact());
  report("predie", "%s", err_text(res));
 }

 /* now let everything die, and try to allocate 10 times */
 
 mps_root_destroy(root);

 for (i = 0; i < 10; i++) {
  res = allocrone(&a, ap2, 128, mps_rank_exact());
  report("postdie", "%s", err_text(res));
 }

 mps_ap_destroy(ap2);
 mps_pool_destroy(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;
}