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merge from dev

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This commit is contained in:
Daan Leijen 2022-12-19 17:08:45 -08:00
commit 92ffc25d79
65 changed files with 793 additions and 741 deletions
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12
src/arena.c
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@ -18,7 +18,7 @@ which is sometimes needed for embedded devices or shared memory for example.
(We can also employ this with WASI or `sbrk` systems to reserve large arenas
on demand and be able to reuse them efficiently).
The arena allocation needs to be thread safe and we use an atomic bitmap to allocate.
The arena allocation needs to be thread safe and we use an atomic bitmap to allocate.
-----------------------------------------------------------------------------*/
#include "mimalloc.h"
#include "mimalloc-internal.h"
@ -270,7 +270,7 @@ void* _mi_arena_alloc_aligned(size_t size, size_t alignment, size_t align_offset
return NULL;
}
*is_zero = true;
*memid = MI_MEMID_OS;
*memid = MI_MEMID_OS;
void* p = _mi_os_alloc_aligned_offset(size, alignment, align_offset, *commit, large, tld->stats);
if (p != NULL) { *is_pinned = *large; }
return p;
@ -333,7 +333,7 @@ void _mi_arena_free(void* p, size_t size, size_t alignment, size_t align_offset,
_mi_os_decommit(p, blocks * MI_ARENA_BLOCK_SIZE, stats); // ok if this fails
_mi_bitmap_unclaim_across(arena->blocks_committed, arena->field_count, blocks, bitmap_idx);
}
// and make it available to others again
// and make it available to others again
bool all_inuse = _mi_bitmap_unclaim_across(arena->blocks_inuse, arena->field_count, blocks, bitmap_idx);
if (!all_inuse) {
_mi_error_message(EAGAIN, "trying to free an already freed block: %p, size %zu\n", p, size);
@ -372,8 +372,8 @@ bool mi_manage_os_memory_ex(void* start, size_t size, bool is_committed, bool is
mi_assert_internal(is_committed);
is_committed = true;
}
const size_t bcount = size / MI_ARENA_BLOCK_SIZE;
const size_t bcount = size / MI_ARENA_BLOCK_SIZE;
const size_t fields = _mi_divide_up(bcount, MI_BITMAP_FIELD_BITS);
const size_t bitmaps = (is_committed ? 2 : 3);
const size_t asize = sizeof(mi_arena_t) + (bitmaps*fields*sizeof(mi_bitmap_field_t));
@ -411,7 +411,7 @@ bool mi_manage_os_memory_ex(void* start, size_t size, bool is_committed, bool is
}
// Reserve a range of regular OS memory
int mi_reserve_os_memory_ex(size_t size, bool commit, bool allow_large, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept
int mi_reserve_os_memory_ex(size_t size, bool commit, bool allow_large, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept
{
if (arena_id != NULL) *arena_id = _mi_arena_id_none();
size = _mi_align_up(size, MI_ARENA_BLOCK_SIZE); // at least one block