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is_zero review; fix asan check

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This commit is contained in:
daanx 2023-04-18 17:52:16 -07:00
parent 09e42aea4e
commit 173382ef60
3 changed files with 9 additions and 3 deletions
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3
src/alloc.c
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@ -46,11 +46,12 @@ extern inline void* _mi_page_malloc(mi_heap_t* heap, mi_page_t* page, size_t siz
// zero the block? note: we need to zero the full block size (issue #63)
if mi_unlikely(zero) {
mi_assert_internal(page->xblock_size != 0); // do not call with zero'ing for huge blocks (see _mi_malloc_generic)
mi_assert_internal(page->xblock_size >= MI_PADDING_SIZE);
if (page->free_is_zero) {
block->next = 0;
mi_track_mem_defined(block, page->xblock_size - MI_PADDING_SIZE);
}
else {
mi_assert_internal(page->xblock_size >= MI_PADDING_SIZE);
_mi_memzero_aligned(block, page->xblock_size - MI_PADDING_SIZE);
}
}

7
src/page.c
View File

@ -663,7 +663,12 @@ static void mi_page_init(mi_heap_t* heap, mi_page_t* page, size_t block_size, mi
page->keys[1] = _mi_heap_random_next(heap);
#endif
page->free_is_zero = page->is_zero_init;
mi_assert_expensive(!page->is_zero_init || mi_mem_is_zero(page_start, page_size));
#if MI_DEBUG>2
if (page->is_zero_init) {
mi_track_mem_defined(page_start, page_size);
mi_assert_expensive(!page->is_zero_init || mi_mem_is_zero(page_start, page_size));
}
#endif
mi_assert_internal(page->capacity == 0);
mi_assert_internal(page->free == NULL);

2
test/test-stress.c
View File

@ -39,7 +39,7 @@ static int ITER = 50; // N full iterations destructing and re-creating a
#define STRESS // undefine for leak test
static bool allow_large_objects = false; // allow very large objects? (set to `true` if SCALE>100)
static bool allow_large_objects = true; // allow very large objects? (set to `true` if SCALE>100)
static size_t use_one_size = 0; // use single object size of `N * sizeof(uintptr_t)`?