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clean up os api

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This commit is contained in:
daanx 2023-04-16 11:21:45 -07:00
parent 0fc4de1440
commit d48b988c40
6 changed files with 32 additions and 35 deletions
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26
src/os.c
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@ -275,23 +275,19 @@ void* _mi_os_alloc(size_t size, bool* is_zero, mi_stats_t* tld_stats) {
return p;
}
void* _mi_os_alloc_aligned(size_t size, size_t alignment, bool commit, bool* large, bool* is_zero, mi_stats_t* tld_stats)
void* _mi_os_alloc_aligned(size_t size, size_t alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, mi_stats_t* tld_stats)
{
MI_UNUSED(&_mi_os_get_aligned_hint); // suppress unused warnings
MI_UNUSED(tld_stats);
if (size == 0) return NULL;
size = _mi_os_good_alloc_size(size);
alignment = _mi_align_up(alignment, _mi_os_page_size());
bool allow_large = false;
if (large != NULL) {
allow_large = *large;
*large = false;
}
bool is_largex = false;
bool is_zerox = false;
void* p = mi_os_mem_alloc_aligned(size, alignment, commit, allow_large, &is_largex, &is_zerox, &_mi_stats_main /*tld->stats*/ );
if (large != NULL) { *large = is_largex; }
if (is_zero != NULL) { *is_zero = is_zerox; }
bool os_is_large = false;
bool os_is_zero = false;
void* p = mi_os_mem_alloc_aligned(size, alignment, commit, allow_large, &os_is_large, &os_is_zero, &_mi_stats_main /*tld->stats*/ );
if (is_large != NULL) { *is_large = os_is_large; }
if (is_zero != NULL) { *is_zero = os_is_zero; }
return p;
}
@ -303,20 +299,20 @@ void* _mi_os_alloc_aligned(size_t size, size_t alignment, bool commit, bool* lar
to use the actual start of the memory region.
----------------------------------------------------------- */
void* _mi_os_alloc_aligned_offset(size_t size, size_t alignment, size_t offset, bool commit, bool* large, bool* is_zero, mi_stats_t* tld_stats) {
void* _mi_os_alloc_aligned_at_offset(size_t size, size_t alignment, size_t offset, bool commit, bool allow_large, bool* is_large, bool* is_zero, mi_stats_t* tld_stats) {
mi_assert(offset <= MI_SEGMENT_SIZE);
mi_assert(offset <= size);
mi_assert((alignment % _mi_os_page_size()) == 0);
if (offset > MI_SEGMENT_SIZE) return NULL;
if (offset == 0) {
// regular aligned allocation
return _mi_os_alloc_aligned(size, alignment, commit, large, is_zero, tld_stats);
return _mi_os_alloc_aligned(size, alignment, commit, allow_large, is_large, is_zero, tld_stats);
}
else {
// overallocate to align at an offset
const size_t extra = _mi_align_up(offset, alignment) - offset;
const size_t oversize = size + extra;
void* start = _mi_os_alloc_aligned(oversize, alignment, commit, large, is_zero, tld_stats);
void* start = _mi_os_alloc_aligned(oversize, alignment, commit, allow_large, is_large, is_zero, tld_stats);
if (start == NULL) return NULL;
void* p = (uint8_t*)start + extra;
mi_assert(_mi_is_aligned((uint8_t*)p + offset, alignment));
@ -328,7 +324,7 @@ void* _mi_os_alloc_aligned_offset(size_t size, size_t alignment, size_t offset,
}
}
void _mi_os_free_aligned(void* p, size_t size, size_t alignment, size_t align_offset, bool was_committed, mi_stats_t* tld_stats) {
void _mi_os_free_aligned_at_offset(void* p, size_t size, size_t alignment, size_t align_offset, bool was_committed, mi_stats_t* tld_stats) {
mi_assert(align_offset <= MI_SEGMENT_SIZE);
const size_t extra = _mi_align_up(align_offset, alignment) - align_offset;
void* start = (uint8_t*)p - extra;