AuroraMiddleware/mimalloc
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add arena.c into the static override object

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daan 2019-12-01 00:01:14 -08:00
parent a799a19136
commit a407f35c64
2 changed files with 27 additions and 26 deletions
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8
src/arena.c
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@ -82,13 +82,13 @@ static _Atomic(uintptr_t) mi_arena_count; // = 0
// Use `0` as a special id for direct OS allocated memory.
#define MI_MEMID_OS 0
static size_t mi_memid_create(size_t arena_index, mi_bitmap_index_t bitmap_index) {
static size_t mi_arena_id_create(size_t arena_index, mi_bitmap_index_t bitmap_index) {
mi_assert_internal(arena_index < 0xFE);
mi_assert_internal(((bitmap_index << 8) >> 8) == bitmap_index); // no overflow?
return ((bitmap_index << 8) | ((arena_index+1) & 0xFF));
}
static void mi_memid_indices(size_t memid, size_t* arena_index, mi_bitmap_index_t* bitmap_index) {
static void mi_arena_id_indices(size_t memid, size_t* arena_index, mi_bitmap_index_t* bitmap_index) {
mi_assert_internal(memid != MI_MEMID_OS);
*arena_index = (memid & 0xFF) - 1;
*bitmap_index = (memid >> 8);
@ -128,7 +128,7 @@ static void* mi_arena_alloc_from(mi_arena_t* arena, size_t arena_index, size_t n
// claimed it! set the dirty bits (todo: no need for an atomic op here?)
void* p = arena->start + (mi_bitmap_index_bit(bitmap_index)*MI_ARENA_BLOCK_SIZE);
*memid = mi_memid_create(arena_index, bitmap_index);
*memid = mi_arena_id_create(arena_index, bitmap_index);
*is_zero = mi_bitmap_claim(arena->blocks_dirty, arena->field_count, needed_bcount, bitmap_index, NULL);
*large = arena->is_large;
if (arena->is_committed) {
@ -224,7 +224,7 @@ void _mi_arena_free(void* p, size_t size, size_t memid, mi_stats_t* stats) {
// allocated in an arena
size_t arena_idx;
size_t bitmap_idx;
mi_memid_indices(memid, &arena_idx, &bitmap_idx);
mi_arena_id_indices(memid, &arena_idx, &bitmap_idx);
mi_assert_internal(arena_idx < MI_MAX_ARENAS);
mi_arena_t* arena = (mi_arena_t*)mi_atomic_read_ptr_relaxed(mi_atomic_cast(void*, &mi_arenas[arena_idx]));
mi_assert_internal(arena != NULL);

1
src/static.c
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@ -15,6 +15,7 @@ terms of the MIT license. A copy of the license can be found in the file
// functions (on Unix's).
#include "stats.c"
#include "os.c"
#include "arena.c"
#include "memory.c"
#include "segment.c"
#include "page.c"