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refactor delayed_free code

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This commit is contained in:
daan 2019-07-14 16:48:53 -07:00
parent 5ad2effb39
commit 49ceb4d018
3 changed files with 19 additions and 15 deletions
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14
src/alloc.c
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@ -249,8 +249,20 @@ void mi_free(void* p) mi_attr_noexcept
}
}
void _mi_free_delayed_block(mi_page_t* page, mi_block_t* block) {
bool _mi_free_delayed_block(mi_block_t* block) {
// get segment and page
const mi_segment_t* segment = _mi_ptr_segment(block);
mi_assert_internal(_mi_ptr_cookie(segment) == segment->cookie);
mi_assert_internal(_mi_thread_id() == segment->thread_id);
mi_page_t* page = _mi_segment_page_of(segment, block);
if (mi_tf_delayed(page->thread_free) == MI_DELAYED_FREEING) {
// we might already start delayed freeing while another thread has not yet
// reset the delayed_freeing flag; in that case don't free it quite yet if
// this is the last block remaining.
if (page->used - page->thread_freed == 1) return false;
}
_mi_free_block(page,true,block);
return true;
}
// Bytes available in a block