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add mi_unsafe_free_with_threadid and mi_get_current_threadid()

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This commit is contained in:
daan 2021-11-23 17:59:27 -08:00
parent 1c22650719
commit 8b60a5ab70
3 changed files with 26 additions and 4 deletions
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25
src/alloc.c
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@ -475,14 +475,12 @@ static inline mi_segment_t* mi_checked_ptr_segment(const void* p, const char* ms
return segment;
}
// Free a block
void mi_free(void* p) mi_attr_noexcept
// Free a block with a known threadid
static mi_decl_always_inline void _mi_free_with_threadid(void* p, mi_threadid_t tid) mi_attr_noexcept
{
const mi_segment_t* const segment = mi_checked_ptr_segment(p,"mi_free");
if (mi_unlikely(segment == NULL)) return;
const mi_threadid_t tid = _mi_thread_id();
mi_page_t* const page = _mi_segment_page_of(segment, p);
mi_block_t* const block = (mi_block_t*)p;
@ -507,6 +505,25 @@ void mi_free(void* p) mi_attr_noexcept
}
}
// Get the current thread id
size_t mi_get_current_threadid(void) mi_attr_noexcept {
return _mi_thread_id();
}
// Free a block passing the current thread id explicitly
void mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept
{
mi_assert(current_tid == _mi_thread_id());
_mi_free_with_threadid(p,current_tid);
}
// Free a block
void mi_free(void* p) mi_attr_noexcept {
_mi_free_with_threadid(p, _mi_thread_id());
}
bool _mi_free_delayed_block(mi_block_t* block) {
// get segment and page
const mi_segment_t* const segment = _mi_ptr_segment(block);