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only reclaim for exclusive heaps in their associated arena

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daanx 2024-06-02 13:16:20 -07:00
parent 635d626c82
commit 5501f59f6c
6 changed files with 45 additions and 21 deletions
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13
src/heap.c
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@ -226,17 +226,22 @@ void _mi_heap_init(mi_heap_t* heap, mi_tld_t* tld, mi_arena_id_t arena_id, bool
heap->tld->heaps = heap;
}
mi_decl_nodiscard mi_heap_t* mi_heap_new_in_arena(mi_arena_id_t arena_id) {
mi_decl_nodiscard mi_heap_t* mi_heap_new_ex(int heap_tag, bool allow_destroy, mi_arena_id_t arena_id) {
mi_heap_t* bheap = mi_heap_get_backing();
mi_heap_t* heap = mi_heap_malloc_tp(bheap, mi_heap_t); // todo: OS allocate in secure mode?
if (heap == NULL) return NULL;
// don't reclaim abandoned pages or otherwise destroy is unsafe
_mi_heap_init(heap, bheap->tld, arena_id, true /* no reclaim */, 0 /* default tag */);
mi_assert(heap_tag >= 0 && heap_tag < 256);
_mi_heap_init(heap, bheap->tld, arena_id, allow_destroy /* no reclaim? */, (uint8_t)heap_tag /* heap tag */);
return heap;
}
mi_decl_nodiscard mi_heap_t* mi_heap_new_in_arena(mi_arena_id_t arena_id) {
return mi_heap_new_ex(0 /* default heap tag */, false /* don't allow `mi_heap_destroy` */, arena_id);
}
mi_decl_nodiscard mi_heap_t* mi_heap_new(void) {
return mi_heap_new_in_arena(_mi_arena_id_none());
// don't reclaim abandoned memory or otherwise destroy is unsafe
return mi_heap_new_ex(0 /* default heap tag */, true /* no reclaim */, _mi_arena_id_none());
}
bool _mi_heap_memid_is_suitable(mi_heap_t* heap, mi_memid_t memid) {