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wip: allow arena (re)loading

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daanx 2024-12-11 20:34:23 -08:00
parent ccf5e36e6b
commit aed76f2910
7 changed files with 244 additions and 120 deletions
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47
src/os.c
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@ -290,7 +290,7 @@ void* _mi_os_alloc_aligned(size_t size, size_t alignment, bool commit, bool allo
if (size == 0) return NULL;
size = _mi_os_good_alloc_size(size);
alignment = _mi_align_up(alignment, _mi_os_page_size());
bool os_is_large = false;
bool os_is_zero = false;
void* os_base = NULL;
@ -671,3 +671,48 @@ int _mi_os_numa_node_get(void) {
if (numa_node >= numa_count) { numa_node = numa_node % numa_count; }
return (int)numa_node;
}
/* ----------------------------------------------------------------------------
Public API
-----------------------------------------------------------------------------*/
mi_decl_export void* mi_os_alloc(size_t size, bool commit, size_t* full_size) {
return mi_os_alloc_aligned(size, mi_os_mem_config.alloc_granularity, commit, NULL, full_size);
}
static void* mi_os_alloc_aligned_ex(size_t size, size_t alignment, bool commit, bool allow_large, bool* is_committed, bool* is_pinned, void** base, size_t* full_size) {
mi_memid_t memid = _mi_memid_none();
void* p = _mi_os_alloc_aligned(size, alignment, commit, allow_large, &memid);
if (p == NULL) return p;
if (is_committed != NULL) { *is_committed = memid.initially_committed; }
if (is_pinned != NULL) { *is_pinned = memid.is_pinned; }
if (base != NULL) { *base = memid.mem.os.base; }
if (full_size != NULL) { *full_size = memid.mem.os.size; }
if (!memid.initially_zero && memid.initially_committed) {
_mi_memzero_aligned(memid.mem.os.base, memid.mem.os.size);
}
return p;
}
mi_decl_export void* mi_os_alloc_aligned(size_t size, size_t alignment, bool commit, void** base, size_t* full_size) {
return mi_os_alloc_aligned_ex(size, alignment, commit, false, NULL, NULL, base, full_size);
}
mi_decl_export void* mi_os_alloc_aligned_allow_large(size_t size, size_t alignment, bool commit, bool* is_committed, bool* is_pinned, void** base, size_t* full_size) {
return mi_os_alloc_aligned_ex(size, alignment, commit, true, is_committed, is_pinned, base, full_size);
}
mi_decl_export void mi_os_free(void* p, size_t size) {
if (p==NULL || size == 0) return;
mi_memid_t memid = _mi_memid_create_os(p, size, true, false, false);
_mi_os_free(p, size, memid);
}
mi_decl_export void mi_os_commit(void* p, size_t size) {
_mi_os_commit(p, size, NULL);
}
mi_decl_export void mi_os_decommit(void* p, size_t size) {
_mi_os_decommit(p, size);
}