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debug_check_empty #521

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May 12, 2022
Merged

debug_check_empty #521

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13 changes: 9 additions & 4 deletions src/snmalloc/mem/corealloc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -893,24 +893,29 @@ namespace snmalloc
*/
bool debug_is_empty_impl(bool* result)
{
auto test = [&result](auto& queue) {
queue.filter([&result](auto slab_metadata) {
auto test = [&result](auto& queue, smallsizeclass_t size_class) {
queue.filter([&result, size_class](auto slab_metadata) {
if (slab_metadata->needed() != 0)
{
if (result != nullptr)
*result = false;
else
error("debug_is_empty: found non-empty allocator");
report_fatal_error(
"debug_is_empty: found non-empty allocator: size={} ({})",
sizeclass_to_size(size_class),
size_class);
}
return false;
});
};

bool sent_something = flush(true);

smallsizeclass_t size_class = 0;
for (auto& alloc_class : alloc_classes)
{
test(alloc_class.available);
test(alloc_class.available, size_class);
size_class++;
}

// Place the static stub message on the queue.
Expand Down