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fix page_map initialization

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daanx 2024-12-21 23:17:11 -08:00
parent 56cbddfc7e
commit c9b2d31665
1 changed files with 6 additions and 0 deletions
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6
src/page-map.c
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@ -214,6 +214,12 @@ static inline void mi_page_map_set_range(size_t idx, size_t sub_idx, size_t slic
if (sub == NULL) {
mi_memid_t memid;
sub = (uint8_t*)_mi_os_alloc(MI_PAGE_MAP_SUB_SIZE, &memid);
uint8_t* expect = NULL;
if (!mi_atomic_cas_strong_acq_rel(((_Atomic(uint8_t*)*)&_mi_page_map[idx]), &expect, sub)) {
_mi_os_free(sub, MI_PAGE_MAP_SUB_SIZE, memid);
sub = expect;
mi_assert_internal(sub!=NULL);
}
if (sub == NULL) {
_mi_error_message(EFAULT, "internal error: unable to extend the page map\n");
return; // abort?