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-rw-r--r--erts/emulator/test/alloc_SUITE_data/bucket_mask.c65
1 files changed, 47 insertions, 18 deletions
diff --git a/erts/emulator/test/alloc_SUITE_data/bucket_mask.c b/erts/emulator/test/alloc_SUITE_data/bucket_mask.c
index b214f87e4a..34979cacf1 100644
--- a/erts/emulator/test/alloc_SUITE_data/bucket_mask.c
+++ b/erts/emulator/test/alloc_SUITE_data/bucket_mask.c
@@ -22,7 +22,7 @@
#include "allocator_test.h"
#include <stdio.h>
-#ifdef __WIN32__ && SIZEOF_VOID_P == 8
+#if defined(__WIN32__) && SIZEOF_VOID_P == 8
/* Use larger threashold for win64 as block alignment
is 16 bytes and not 8 */
#define SBCT ((1024*1024))
@@ -48,10 +48,16 @@ testcase_cleanup(TestCaseState_t *tcs)
void
testcase_run(TestCaseState_t *tcs)
{
- void *tmp;
- void **fence;
+ typedef struct linked_block {
+ struct linked_block* next;
+ }Linked;
+ Linked* link;
+ Linked* fence_list;
+ Linked* pad_list;
+ void* tmp;
void **blk;
Ulong sz;
+ Ulong residue;
Ulong smbcs;
int i;
int bi;
@@ -73,7 +79,7 @@ testcase_run(TestCaseState_t *tcs)
ASSERT(tcs, a);
min_blk_sz = MIN_BLK_SZ(a);
- smbcs = 2*(no_bkts*sizeof(void *) + min_blk_sz) + min_blk_sz;
+ smbcs = (no_bkts*sizeof(void *) + min_blk_sz) + min_blk_sz;
for (i = 0; i < no_bkts; i++) {
sz = BKT_MIN_SZ(a, i);
if (sz >= sbct)
@@ -98,26 +104,42 @@ testcase_run(TestCaseState_t *tcs)
tcs->extra = (void *) a;
ASSERT(tcs, a);
+
blk = (void **) ALLOC(a, no_bkts*sizeof(void *));
- fence = (void **) ALLOC(a, no_bkts*sizeof(void *));
- ASSERT(tcs, blk && fence);
+ ASSERT(tcs, blk);
+ fence_list = NULL;
testcase_printf(tcs, "Allocating blocks and fences\n");
for (i = 0; i < bi_tests; i++) {
sz = BKT_MIN_SZ(a, i);
blk[i] = ALLOC(a, sz - ablk_hdr_sz);
- fence[i] = ALLOC(a, 1);
- ASSERT(tcs, blk[i] && fence[i]);
+ link = (Linked*) ALLOC(a, sizeof(Linked));
+ ASSERT(tcs, blk[i] && link);
+ link->next = fence_list;
+ fence_list = link;
}
- tmp = (void *) UMEM2BLK(fence[bi_tests - 1]);
- tmp = (void *) NXT_BLK((Block_t *) tmp);
- ASSERT(tcs, IS_LAST_BLK(tmp));
- sz = BLK_SZ((Block_t *) tmp);
- testcase_printf(tcs, "Allocating leftover size = %lu\n", sz);
- tmp = ALLOC(a, sz - ablk_hdr_sz);
- ASSERT(tcs, tmp);
+ pad_list = 0;
+ do {
+ tmp = (void *) UMEM2BLK(link); /* last allocated */
+ tmp = (void *) NXT_BLK((Block_t *) tmp);
+ ASSERT(tcs, IS_LAST_BLK(tmp));
+ sz = BLK_SZ((Block_t *) tmp);
+ if (sz >= sbct) {
+ residue = sz;
+ sz = sbct - min_blk_sz;
+ residue -= sz;
+ }
+ else {
+ residue = 0;
+ }
+ testcase_printf(tcs, "Allocating leftover size = %lu, residue = %lu\n", sz, residue);
+ link = (Linked*) ALLOC(a, sz - ablk_hdr_sz);
+ ASSERT(tcs, link);
+ link->next = pad_list;
+ pad_list = link;
+ } while (residue);
bi = FIND_BKT(a, 0);
ASSERT(tcs, bi < 0);
@@ -135,16 +157,23 @@ testcase_run(TestCaseState_t *tcs)
for (i = 0; i < bi_tests; i++) {
FREE(a, blk[i]);
- FREE(a, fence[i]);
+ }
+ while (fence_list) {
+ link = fence_list;
+ fence_list = link->next;
+ FREE(a, link);
}
FREE(a, (void *) blk);
- FREE(a, (void *) fence);
bi = FIND_BKT(a, 0);
ASSERT(tcs, bi == no_bkts - 1);
- FREE(a, tmp);
+ while (pad_list) {
+ link = pad_list;
+ pad_list = link->next;
+ FREE(a, link);
+ }
bi = FIND_BKT(a, 0);
ASSERT(tcs, bi < 0);