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
/* 
TEST_HEADER
 id = $Id: //info.ravenbrook.com/project/mps/master/test/function/224.c#9 $
 summary = MVFF allocate large promise, make it small, repeat
 language = c
 link = testlib.o
 harness = 2.5
 parameters = PROMISE=65536 ITERATE=2000
END_HEADER
*/

#include "mpsavm.h"
#include "mpscmvff.h"
#include "testlib.h"


#define VMSIZE ((size_t) 30*1024*1024)


static void test(void *stack_pointer)
{
 mps_arena_t arena;
 mps_pool_t pool;
 mps_addr_t q;
 int p;

 die(mps_arena_create(&arena, mps_arena_class_vm(), VMSIZE), "create");
 die(mps_arena_commit_limit_set(arena, VMSIZE), "commit limit");
 die(mps_pool_create_k(&pool, arena, mps_class_mvff(), mps_args_none),
     "pool create");

 for (p=0; p<ITERATE; p++) {
  die(mps_alloc(&q, pool, PROMISE), "alloc");
  q = (char *)q + MPS_PF_ALIGN;
  mps_free(pool, q, PROMISE - MPS_PF_ALIGN);
  report("promise", "%i", p);
 }

 mps_pool_destroy(pool);
 mps_arena_destroy(arena);
}


int main(void)
{
 run_test(test);
 pass();
 return 0;
}