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add support for custom heap and page tags, upstream of python/cpython#113742

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Daan 2024-05-19 08:06:32 -07:00
parent 710d6138c7
commit 0c4041fa53
5 changed files with 43 additions and 16 deletions
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9
src/init.c
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@ -25,6 +25,7 @@ const mi_page_t _mi_page_empty = {
NULL, // local_free
0, // used
0, // block size shift
0, // heap tag
0, // block_size
NULL, // page_start
#if (MI_PADDING || MI_ENCODE_FREELIST)
@ -108,7 +109,8 @@ mi_decl_cache_align const mi_heap_t _mi_heap_empty = {
0, // page count
MI_BIN_FULL, 0, // page retired min/max
NULL, // next
false,
false, // can reclaim
0, // tag
MI_SMALL_PAGES_EMPTY,
MI_PAGE_QUEUES_EMPTY
};
@ -146,6 +148,7 @@ mi_heap_t _mi_heap_main = {
MI_BIN_FULL, 0, // page retired min/max
NULL, // next heap
false, // can reclaim
0, // tag
MI_SMALL_PAGES_EMPTY,
MI_PAGE_QUEUES_EMPTY
};
@ -281,7 +284,7 @@ static bool _mi_thread_heap_init(void) {
mi_tld_t* tld = &td->tld;
mi_heap_t* heap = &td->heap;
_mi_tld_init(tld, heap); // must be before `_mi_heap_init`
_mi_heap_init(heap, tld, _mi_arena_id_none());
_mi_heap_init(heap, tld, _mi_arena_id_none(), false /* can reclaim */, 0 /* default tag */);
_mi_heap_set_default_direct(heap);
}
return false;
@ -291,7 +294,7 @@ static bool _mi_thread_heap_init(void) {
void _mi_tld_init(mi_tld_t* tld, mi_heap_t* bheap) {
_mi_memzero_aligned(tld,sizeof(mi_tld_t));
tld->heap_backing = bheap;
tld->heaps = bheap;
tld->heaps = NULL;
tld->segments.stats = &tld->stats;
tld->segments.os = &tld->os;
tld->os.stats = &tld->stats;